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Norton 360 | versions prior .also installed separate liveupdate program updates nortonbranded software.user must uninstall norton internet security liveupdate component manually.liveupdate component purposely left behind update nortonbranded products present.symantec developed norton removal tool remove registry keys values along f... |
Norton 360 | uninstaller must run twice initially computer restart requiring second restart.uninstallation remove subscription data preserved prevent users installing multiple trial copies.windows service packs norton version .installed users encountered incompatibilities upgrading windows xp service pack windows vista service pack... |
Norton 360 | symantec initially blamed microsoft incompatibilities since accepted partial responsibility.dave cole senior director product management acknowledged users running norton products experiencing problems said numbers small.cole also said symantec done extensive testing products windows xp sp issue encountered.cole blamed... |
Norton 360 | symantec also recommends disabling tamper protection component release dubbed symprotect.tool remove added registry entries available symantec.windows vista sarah hicks symantecs vice president consumer product management voiced concern windows vista bits patchguard feature.patchguard designed microsoft ensure integrit... |
Norton 360 | mike dalton european president mcafee said decision build wall around kernel assumption cant breached ridiculous claiming microsoft preventing security vendors effectively protecting kernel promoting security product windows live onecare.hicks said symantec mind competition onecare.symantec later published white paper ... |
Dell Software | expiration subscription blocks access program updates shuts antivirus firewall well.tools bundled password manager user saved passwords also inaccessible.users often understand completely exposed pcs become infected viruses.see also norton internet securitynorton antivirus references external links norton homepagenorto... |
Dell Software | terms deal disclosed.boomi makers atomsphere ondemand integration technology uses pure saas technology connect combination saas cloud onpremises applications without needing install maintain integration software appliances.november dell acquired softwareasaservice saas integration leader boomi.terms deal disclosed.appa... |
Dell Software | appassure supports physical servers vmware hyperv xenserver.deal represents first acquisition since dell formed software division former ca ceo john swainson.dell added keep appassure’s employees invest company.sonicwall creators various internet appliances primarily directed content control network security.applicatio... |
Dell Software | company patents sonicwall develops security products network data security provider.quest software makers toad software productivity tool used millions database professionals.quest also produced products help develop manage monitor protect packaged custom software applications.july dell announced buying quest software.... |
Dell Software | enstratius platform supports saas onpremises deployment models.statsoft provider advanced analytics tools help organizations better understand business predict change increase agility control critical systems.capabilities data mining predictive analytics desktop data modeling data visualization statsoft enables users f... |
Dell Software | prior silver lake ceo director ca inc. early .purpose forming new group build dell’s software capabilities provide research organizational support achieving michael dell’s vision delivering endtoend solutions customers.on june dell software announced agreement purchased private equity firm francisco partners hedge fund... |
Dell Software | solutions dell software offered endtoend solutions address challenges several business technology areas including six key onesdata protectionendpoint managementidentity access managementinformation managementnetwork securitywindows server management migrationdata protection software deduplication appliances offer custo... |
Database | integrate legacy systems enable organizations manage complex big data ensure data accuracy integrate applications data across onsite cloud environments streamline business intelligence automate development database management tasks.network security solutions provide intrusion prevention malware protection application i... |
Database | relational databases became dominant s. model data rows columns series tables vast majority use sql writing querying data.nonrelational databases became popular collectively referred nosql use different query languages.terminology overview formally database refers set related data way organized.access data usually prov... |
Database | retrieved data may made available form basically stored database new form obtained altering combining existing data database.administration – registering monitoring users enforcing data security monitoring performance maintaining data integrity dealing concurrency control recovering information corrupted event unexpect... |
Database | dbmss may built around custom multitasking kernel builtin networking support modern dbmss typically rely standard operating system provide functions.since dbmss comprise significant market computer storage vendors often take account dbms requirements development plans.databases dbmss categorized according database mode... |
Database | characterized use pointers often physical disk addresses follow relationships one record another.the relational model first proposed edgar f. codd departed tradition insisting applications search data content rather following links.relational model employs sets ledgerstyle tables used different type entity.mids computi... |
Database | competing next generation known newsql databases attempted new implementations retained relationalsql model aiming match high performance nosql compared commercially available relational dbmss.navigational dbms introduction term database coincided availability directaccess storage disks drums mids onwards.term represen... |
Database | database task group delivered standard generally became known codasyl approach soon number commercial products based approach entered market.the codasyl approach offered applications ability navigate around linked data set formed large network.applications could find records one three methodsuse primary key known calc ... |
Database | ims generally similar concept codasyl used strict hierarchy model data navigation instead codasyls network model.concepts later became known navigational databases due way data accessed term popularized bachmans turing award presentation programmer navigator.ims classified ibm hierarchical database.idms cincom systems ... |
Database | relational dbms edgar f. codd worked ibm san jose california one offshoot offices primarily involved development hard disk systems.unhappy navigational model codasyl approach notably lack search facility.wrote number papers outlined new approach database construction eventually culminated groundbreaking relational mode... |
Database | one columns table designated primary key rows table could uniquely identified crossreferences tables always used primary keys rather disk addresses queries would join tables based key relationships using set operations based mathematical system relational calculus model takes name.splitting data set normalized tables r... |
Database | engineering perspective enabled tables relocated resized without expensive database reorganization.codd interested difference semantics use explicit identifiers made easier define update operations clean mathematical definitions also enabled query operations defined terms established discipline firstorder predicate cal... |
Database | navigational approach data would placed single variablelength record.relational approach data would normalized user table address table phone number table instance.records would created optional tables address phone numbers actually provided.as well identifying rowsrecords using logical identifiers rather disk addresse... |
Database | process called query optimization depended fact queries expressed terms mathematical logic.codds paper picked two people berkeley eugene wong michael stonebraker.started project known ingres using funding already allocated geographical database project student programmers produce code.beginning ingres delivered first t... |
Database | honeywell wrote mrds multics two new implementations alphora dataphor rel.dbms implementations usually called relational actually sql dbmss.in university michigan began development micro information management system based d.l.childs settheoretic data model.micro used manage large data sets us department labor u.s. env... |
Database | system remained production .integrated approach attempts made build database systems integrated hardware software.underlying philosophy integration would provide higher performance lower cost.examples ibm system early offering teradata britton lee inc. database machine.another approach hardware support database managem... |
Database | thus database systems nowadays software systems running generalpurpose hardware using generalpurpose computer data storage.however idea still pursued certain applications companies like netezza oracle exadata.late sql dbms ibm started working prototype system loosely based codds concepts system r early s. first version... |
Database | postgresql often used global missioncritical applications .org .info domain name registries use primary data store many large companies financial institutions.in sweden codds paper also read mimer sql developed mids uppsala university.project consolidated independent enterprise.another data model entity–relationship mo... |
Database | dbase product lightweight easy computer user understand box.c. wayne ratliff creator dbase stated dbase different programs like basic c fortran cobol lot dirty work already done.data manipulation done dbase instead user user concentrate rather mess dirty details opening reading closing files managing space allocation.d... |
Database | say persons data database persons attributes address phone number age considered belong person instead extraneous data.allows relations data relations objects attributes individual fields.term object–relational impedance mismatch described inconvenience translating programmed objects database tables.object databases ob... |
Database | nosql newsql xml databases type structured documentoriented database allows querying based xml document attributes.xml databases mostly used applications data conveniently viewed collection documents structure vary flexible highly rigid examples include scientific articles patents tax filings personnel records.nosql da... |
Database | examples include computerized library systems flight reservation systems computerized parts inventory systems many content management systems store websites collections webpages database.classification one way classify databases involves type contents example bibliographic documenttext statistical multimedia objects.an... |
Database | main memory databases faster disk databases often used response time critical telecommunications network equipment.an active database includes eventdriven architecture respond conditions inside outside database.possible uses include security monitoring alerting statistics gathering authorization.many databases provide ... |
Database | example sales data might aggregated weekly totals converted internal product codes use upcs compared acnielsen data.basic essential components data warehousing include extracting analyzing mining data transforming loading managing data make available use.a deductive database combines logic programming relational databa... |
Database | much simpler fullfledged dbmss elementary dbms functionality.a federated database system comprises several distinct databases dbms.handled single database federated database management system fdbms transparently integrates multiple autonomous dbmss possibly different types case would also heterogeneous database system ... |
Database | general graph databases store graph distinct specialized graph databases triplestores network databases.an array dbms kind nosql dbms allows modeling storage retrieval usually large multidimensional arrays satellite images climate simulation output.in hypertext hypermedia database word piece text representing object e.... |
Database | also collection data representing problems solutions related experiences.a mobile database carried synchronized mobile computing device.operational databases store detailed data operations organization.typically process relatively high volumes updates using transactions.examples include customer databases record contac... |
Database | may include email messages documents journals multimedia objects etc.name may misleading since objects highly structured.however entire possible object collection fit predefined structured framework.established dbmss support unstructured data various ways new dedicated dbmss emerging.database management system connolly... |
Database | examples dbmss include mysql postgresql microsoft sql server oracle database microsoft access.the dbms acronym sometimes extended indicate underlying database model rdbms relational oodbms object oriented ordbms object–relational model.extensions indicate characteristic ddbms distributed database management systems.the... |
Database | trend minimize amount manual configuration cases embedded databases need target zeroadministration paramount.the large major enterprise dbmss tended increase size functionality involved thousands human years development effort lifetime.early multiuser dbms typically allowed application reside computer access via termin... |
Database | application external interaction database via application program interfaces dbms.range database tool allows users execute sql queries textually graphically web site happens use database store search information.application program interface programmer code interactions database sometimes referred datasource via applic... |
Database | common apis include jdbc ado.net.database languages database languages specialpurpose languages allow one following tasks sometimes distinguished sublanguagesdata control language dcl – controls access datadata definition language ddl – defines data types creating altering dropping tables relationships among themdata m... |
Database | standards regularly enhanced since supported varying degrees conformance mainstream commercial relational dbmss.oql object model language standard object data management group.influenced design newer query languages like jdoql ejb ql.xquery standard xml query language implemented xml database systems marklogic exist re... |
Database | metadata data data internal data structures reconstruct conceptual level external level internal level needed.databases digital objects contain three layers information must stored data structure semantics.proper storage three layers needed future preservation longevity database.putting data permanent storage generally... |
Database | though typically accessed dbms underlying operating system often using operating systems file systems intermediates storage layout storage properties configuration setting extremely important efficient operation dbms thus closely maintained database administrators.dbms operation always database residing several types s... |
Database | querying database.some dbmss support specifying character encoding used store data multiple encodings used database.various lowlevel database storage structures used storage engine serialize data model written medium choice.techniques indexing may used improve performance.conventional storage roworiented also columnori... |
Database | storing views saves expensive computing time needed.downsides materialized views overhead incurred updating keep synchronized original updated database data cost storage redundancy.replication occasionally database employs storage redundancy database objects replication one copies increase data availability improve per... |
Database | security database security deals various aspects protecting database content owners users.ranges protection intentional unauthorized database uses unintentional database accesses unauthorized entities e.g.person computer program.database access control deals controlling person certain computer program allowed access in... |
Database | query types specific queries using specific access paths former e.g.using specific indexes data structures access information.database access controls set special authorized database owner personnel uses dedicated protected security dbms interfaces.this may managed directly individual basis assignment individuals privi... |
Database | example employee database contain data individual employee one group users may authorized view payroll data others allowed access work history medical data.dbms provides way interactively enter update database well interrogate capability allows managing personal databases.data security general deals protecting specific... |
Database | see data encryption.change access logging records accessed attributes changed changed.logging services allow forensic database audit later keeping record access occurrences changes.sometimes applicationlevel code used record changes rather leaving database.monitoring set attempt detect security breaches.transactions co... |
Database | database transaction unit work typically encapsulating number operations database e.g.reading database object writing acquiring releasing lock etc.abstraction supported database also systems.transaction well defined boundaries terms programcode executions included transaction determined transactions programmer via spec... |
Database | dbms cannot run it.however situations desirable migrate database one dbms another.reasons primarily economical different dbmss may different total costs ownership tcos functional operational different dbmss may different capabilities.migration involves databases transformation one dbms type another.transformation maint... |
Database | related application programs intact.thus databases conceptual external architectural levels maintained transformation.may desired also aspects architecture internal level maintained.complex large database migration may complicated costly onetime project factored decision migrate.spite fact tools may exist help migratio... |
Database | typically dbms vendor provides tools help importing databases popular dbmss.building maintaining tuning designing database application next stage building database.typically appropriate generalpurpose dbms selected used purpose.dbms provides needed user interfaces used database administrators define needed applications... |
Database | cases database becomes operational empty application data data accumulated operation.after database created initialized populated needs maintained.various database parameters may need changing database may need tuned tuning better performance applications data structures may changed added new related application progra... |
Database | values data embedding databases data structures kept within dedicated backup files many techniques exist effectively.decided database administrator bring database back state e.g.specifying state desired point time database state files used restore state.static analysis static analysis techniques software verification a... |
Database | semantics query languages tuned according suitable abstractions concrete domain data.abstraction relational database system many interesting applications particular security purposes fine grained access control watermarking etc.miscellaneous features dbms features might includedatabase logs – helps keeping history exec... |
Database | design modeling first task database designer produce conceptual data model reflects structure information held database.common approach develop entity–relationship model often aid drawing tools.another popular approach unified modeling language.successful data model accurately reflect possible state external world mode... |
Database | answers questions establish definitions terminology used entities customers products flights flight segments relationships attributes.producing conceptual data model sometimes involves input business processes analysis workflow organization.help establish information needed database left out.example help deciding wheth... |
Database | terms data model database model often used interchangeably article use data model design specific database database model modeling notation used express design.the popular database model generalpurpose databases relational model precisely relational model represented sql language.process creating logical database desig... |
Database | two types data independence physical data independence logical data independence.physical design driven mainly performance requirements requires good knowledge expected workload access patterns deep understanding features offered chosen dbms.another aspect physical database design security.involves defining access cont... |
Database | single database number views external level.the conceptual level unifies various external views compatible global view.provides synthesis external views.scope various database endusers rather interest database application developers database administrators.the internal level physical level internal organization data in... |
Database | occasionally stores data individual views materialized views computed generic data performance justification exists redundancy.balances external views performance requirements possibly conflicting attempt optimize overall performance across activities.while typically one conceptual logical physical internal view data n... |
Database | idea changes made certain level affect view higher level.example changes internal level affect application programs written using conceptual level interfaces reduces impact making physical changes improve performance.the conceptual view provides level indirection internal external.one hand provides common view database... |
Database | relational model.internal level hidden inside dbms depends implementation requires different level detail uses types data structure types.separating external conceptual internal levels major feature relational database model implementations dominate st century databases.research database technology active research topi... |
Database | acm sigmod acm pods vldb ieee icde.see also notes references sources reading ling liu tamer m. özsu eds..encyclopedia database systems p. illus.isbn .gray j. reuter a. transaction processing concepts techniques st edition morgan kaufmann publishers .kroenke david m. david j. auer. |
Database | database concepts.rd ed.new york prentice .raghu ramakrishnan johannes gehrke database management systemsabraham silberschatz henry f. korth s. sudarshan database system conceptslightstone s. teorey t. nadeau t. .physical database design database professionals guide exploiting indexes views storage more.morgan kaufmann... |
Rsync | isbn .teorey t. lightstone s. nadeau t. database modeling design logical design th edition morgan kaufmann press .isbn external links db file extension – information files db extensioncommonly found unixlike operating systems gpl.orlater license.rsync written c single threaded application.rsync algorithm type delta enc... |
Rsync | connected invoke remote hosts rsync two programs determine parts local file need transferred remote file matches local one.rsync also operate daemon mode rsyncd serving receiving files native rsync protocol using rsync syntax.history andrew tridgell paul mackerras wrote original rsync first announced june .similar func... |
Rsync | ported windows via cygwin grsync sfu freebsd netbsd openbsd macos.use similar cp rcp scp rsync requires specification source destination least one must local.generic syntaxwhere src file directory list multiple files directories copy dest file directory copy square brackets indicate optional parameters.rsync synchroniz... |
Rsync | rsync avz delete safelinks rsync.apache.orgapachedist pathtomirrorthe preferred simplest way mirror putty website current directory use rsync.rsync auh rsyncrsync.chiark.greenend.org.ukftpuserssgtathamputtywebsitemirror .a way mimic capabilities time machine macossee also time rsync machine tym.make full backup system ... |
Rsync | upon connection command issued start rsync process remote host uses connection thus established.alternative remote host runs rsync daemon rsync clients connect opening socket tcp port possibly using proxy.rsync numerous command line options configuration files specify alternative shells options commands possibly full p... |
Rsync | time size different systems transfers file sending receiving system.requires reading file directory information quick miss unusual modifications change neither.rsync performs slower comprehensive check invoked checksum.forces full checksum comparison every file present systems.barring rare checksum collisions avoids ri... |
Rsync | sends checksums sender.the sender computes checksum rolling section version file size chunks used recipients.recipient calculates checksum chunks starting full multiples chunk size sender calculates checksum sections starting address.rolling checksum calculated sender matches checksum calculated recipient section candi... |
Rsync | allows efficient transmission files differ insertions deletions.sender sends recipient parts file match along information merge existing blocks recipients version.makes copies identical.the rolling checksum used rsync based mark adlers adler checksum used zlib based fletchers checksum.if senders recipients versions fil... |
Rsync | include compression decompression data block block using zlib support protocols ssh stunnel.variations rdiff utility uses rsync algorithm generate delta files difference file file b like utility diff different delta format.delta file applied file turning file b similar patch utility.rdiff works well binary files.the rd... |
Rsync | use rsync network protocol share code rsync application.used dropbox rdiffbackup duplicity utilities.the acrosync library independent crossplatform implementation rsync network protocol.unlike librsync wirecompatible rsync protocol version .released reciprocal public license used commercial rsync software acrosync.dupl... |
Rsync | rest data also stored encrypted security purposes.as macos .later special e extendedattributes switch allows retaining much hfs file metadata syncing two machines supporting feature.achieved transmitting resource fork along data fork.zsync rsynclike tool optimized many downloads per file version.zsync used linux distri... |
Acceptance testing | supports different providers provides rsynclike interface cloud storage.rsync applications see also casyncremote differential compressionlist tcp udp port numbersgrsync app based rsync graphical user interface notes references external links official website rsync algorithm rsync examples use rsyncmay involve chemical ... |
Acceptance testing | test environment usually designed identical close possible anticipated production environment.includes facilities hardware software firmware procedures andor documentation intended used perform testing software.uat oat test cases ideally derived collaboration business customers business analysts testers developers.esse... |
Acceptance testing | highlevel tests verify completeness user story stories played sprintiteration.operational acceptance test oat criteria regardless using agile iterative sequential development defined terms functional nonfunctional requirements covering key quality attributes functional stability portability reliability.process acceptan... |
Acceptance testing | system may either rejected accepted conditions previously agreed sponsor manufacturer.the anticipated result successful test executiontest cases executed using predetermined dataactual results recordedactual expected results compared andtest results determined.the objective provide confidence developed product meets fu... |
Acceptance testing | software development uat one final stages project often occurs client customer accepts new system.users system perform tests line would occur reallife scenarios.it important materials given tester similar materials end user have.testers given reallife scenarios three common difficult tasks users represent undertake.the... |
Acceptance testing | broad nature test scenario ensures focus journey technical systemspecific details staying away clickbyclick test steps allow variance users behaviour.test scenarios broken logical days usually actor playercustomeroperator system backoffice front end changes.in industry common uat factory acceptance test fat.test takes ... |
Acceptance testing | may also legal contractual requirements acceptance system.operational acceptance testing operational acceptance testing oat used conduct operational readiness prerelease product service system part quality management system.oat common type nonfunctional software testing used mainly software development software mainten... |
Acceptance testing | story one many acceptance tests whatever takes ensure functionality works.acceptance tests blackbox system tests.acceptance test represents expected result system.customers responsible verifying correctness acceptance tests reviewing test scores decide failed tests highest priority.acceptance tests also used regression... |
Acceptance testing | user story considered complete passed acceptance tests.means new acceptance tests must created iteration development team report zero progress.types acceptance testing typical types acceptance testing include followinguser acceptance testingthis may include factory acceptance testing fat i.e.testing done vendor product... |
Acceptance testing | regulation acceptance testing system tested ensure meets governmental legal safety standards.factory acceptance testingacceptance testing conducted site product developed performed employees supplier organization determine whether component system satisfies requirements normally including hardware well software.alpha b... |
Computer appliance | swindon bcs learning development ltd. isbn .external links acceptance test engineering guide microsoft patterns practicesusing customer tests drive development methods toolsacceptance tdd explained methods toolsdevices became known appliances similarity role management home appliance generally closed sealed serviceable... |
Computer appliance | complex integrate operating system applications hardware platform complex support afterwards.by tightly constraining variations hardware software appliance becomes easily deployable used without nearly wide deep knowledge.additionally problems errors appear supporting staff rarely needs explore deeply understand matter... |
Computer appliance | fact turnkey operation characteristic driving benefit customers seek purchasing appliances.to considered appliance hardware device needs integrated software supplied package.distinguishes appliances home grown solutions solutions requiring complex implementations integrators valueadded resellers vars.the appliance appr... |
Computer appliance | however opposite true.security obscurity poor security decision appliances often plagued security issues evidenced proliferation iot devices.types appliances variety computer appliances reflects wide range computing resources provide applications.examplesstorage appliancesprovide massive amounts storage additional high... |
Computer appliance | proprietary embedded firmware applications running appliance use pointtopoint connections translate data field devices native automation protocols mes systems apis odbc restful interfaces.antispam appliancesfor email spamsoftware appliancesa software application might combined enough operating system jeos run industry ... |
Computer appliance | appliances industrial automation world industrial automation rich appliances.appliances hardened withstand temperature vibration extremes.appliances also highly configurable enabling customization meet wide variety applications.key benefits appliance automation arereduced downtime failed appliance typically replaced co... |
Computer appliance | automation concepts easily replicated throughout enterprise standardizing appliances perform needed tasks opposed development custom automation schemes task.low tco total cost ownership appliances developed tested supported automation product vendors undergo much broader level quality testing custom designed automation... |
Computer appliance | communicate plant floor equipment various vendor automation protocols communicate business systems database communication protocols jms java message service sql structured query language.internal structure several design patterns adopted computer appliance vendors shown below.since whole concept appliance rests keeping... |
Computer appliance | azul systems vega java compute appliance example special hardware modifications chip enable java application scaling.special software kernel vendor uses creates generalpurpose computer designs new operating system integrates application operating system.ciscos ios example unixlike operating system firewall functions ne... |
Computer appliance | since underlying computing architecture locked essentially invisible becomes difficult discern device really functions top general purpose hardware operating systems.linux bsd lesser degree become operating system choice type appliance.recently term software appliance also used describe prepackaged blackbox combination... |
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