id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
DBMS_LOB_LIBCACHE/sql_execution.html3_17_0.txt | * Cursors can be explicitly closed by calling ` close() `
cursor = connection.cursor()
...
cursor.close()
### 5.1.3. Query Column Metadata | |
DBMS_LOB_LIBCACHE/sql_execution.html3_85_0.txt | ## 5.2. INSERT and UPDATE Statements
SQL Data Manipulation Language statements (DML) such as INSERT and UPDATE can
easily be executed with python-oracledb. For example: | |
DBMS_LOB_LIBCACHE/sql_execution.html3_86_0.txt |
cursor = connection.cursor()
cursor.execute("insert into MyTable values (:idbv, :nmbv)", [1, "Fredico"])
Do not concatenate or interpolate user data into SQL statements. See Using
Bind Variables instead. | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_33.txt | t buffer for the write
Usage Notes
There is an error if the input amount is more than the data in the buffer. If
the input amount is less than the data in the buffer, then only amount bytes
or characters from the buffer are written to the end of the LOB.
Exceptions
Table 100-103 WRITEAPPEND Procedure Exception... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_2_0.txt | ### 100.2 DBMS_LOB Deprecated Subprograms
The DBMS_LOB.LOADFROMFILE program is deprecated from the ` DBMS_LOB ` package
in Oracle Database 12 c release 12.2
Note:
Oracle recommends that do not use deprecated procedures in new applications.
Support for deprecated features is for backward compatibility only.
Use ... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_1.txt | has already been opened through the input locator.") | Closes the file
[ FILECLOSEALL Procedure ](DBMS_LOB.html#GUID-027FBE8C-465E-421F-A4B0-6A20CD94E081 "This procedure closes all BFILEs opened in the session.") | Closes all previously opened files
[ FILEEXISTS Function ](DBMS_LOB.html#GUID-1B9FA469-F493-4B25-... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_80_0.txt | * Technology
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DBMS_LOB_LIBCACHE/f3_29_0.txt | Gary, August 11, 2020 - 6:52 pm UTC
Connor
Is there a way to prevent the DELETE operation from searching the child tables
for potential rows that match the reference column from the parent table?
I tried re-creating the FK without the ON DELETE clause and it showed the
DELETE_RULE to be 'NO ACTION' but it st... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_71_0.txt | The cache is at the application process level. Access and invalidation is
managed by the Oracle Client libraries. This removes the need for extra
application logic, or external utilities, to implement a cache.
CRC can be enabled by setting the database parameters `
CLIENT_RESULT_CACHE_SIZE ` and ` CLIENT_RESULT_CAC... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_9_0.txt | 6. Companies
7. Labs | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_13.txt | E Procedure
This procedure determines the directory object and filename, given a ` BFILE `
locator.
This function only indicates the directory object name and filename assigned
to the locator, not if the physical file or directory actually exists.
The maximum constraint values for the ` dir_alias ` buffer is 30, and... | |
DBMS_LOB_LIBCACHE/oracle_LIBCACHE_1_0.txt | ### 99.1 DBMS_LIBCACHE Overview
Compiling a shared cursor consists of open, parse, and bind operations, plus
the type-checking and execution plan functions performed at the first
execution. All of these steps are executed in advance by the package `
DBMS_LIBCACHE ` for ` SELECT ` statements.
The open and parse func... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_4_0.txt | # 5\. Executing SQL
Executing SQL statements is the primary way in which a Python application
communicates with Oracle Database. Statements are executed using the methods
` Cursor.execute() ` or ` Cursor.executemany() ` . Statements include
queries, Data Manipulation Language (DML), and Data Definition Languag... | |
DBMS_LOB_LIBCACHE/f3_14_1.txt | 678 events in waitclass Other 427 3 1 0 0 5090 1736664284 1893977003 0 Other 33
| |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_18_0.txt | Learn more about Labs
# Deleting some rows in a table based on a colum which is a clob data type | |
DBMS_LOB_LIBCACHE/f3_13_0.txt | ### Data back from V$SESSTAT and V$SESSION_EVENT
Gary, August 06, 2020 - 4:51 pm UTC | |
DBMS_LOB_LIBCACHE/f3_31_0.txt | ### Solution: disable/enable FKs
Gary, August 14, 2020 - 2:17 pm UTC | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_30.txt | ` < 1 \- ` amount ` > 32767 \- ` offset ` < 1 \- ` offset ` > ` LOBMAXSIZE `
Exceptions
Table 100-97 SUBSTR Function Exceptions for BFILE operations
Exception | Description
---|---
` UNOPENED_FILE ` | File is not opened using the input locator.
` NOEXIST_DIRECTORY ` | Directory does not exist.
... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_18_0.txt | After executing a query, the column metadata such as column names and data
types can be obtained using ` Cursor.description ` :
cursor = connection.cursor()
cursor.execute("select * from MyTable")
for column in cursor.description:
print(column)
| |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_65_0.txt | 0
Deleting rows based on multiple values in another table | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_44_0.txt | * I need to delete the value actually..!!
– harish | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_40_0.txt | you can use TO_BLOB('89504E4') to convert char to BLOB
Share | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_12_0.txt | Ask questions, find answers and collaborate at work with Stack Overflow for
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DBMS_LOB_LIBCACHE/f3_9_0.txt |
Is this answer out of date? If it is, please let us know via a Comment
# Comments | |
DBMS_LOB_LIBCACHE/f7_16_0.txt | Hi Tom,
We found an alternative solution which always preserves the order of columns.
The idea is to first convert the varchar2 column to a long and then to convert
that long to a clob.
alter table t add y_copy varchar2(4000);
update t set y_copy = y;
update t set y = null;
commit;
alter table t mod... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_0_0.txt | Skip to main content
Stack Overflow | |
DBMS_LOB_LIBCACHE/f7_22_0.txt | Mingwei Wu, March 31, 2015 - 1:53 pm UTC
The example is very useful and readable. | |
DBMS_LOB_LIBCACHE/sql_execution.html3_80_0.txt | >
> with oracledb.connect(user="hr", password=userpwd,
> dsn="dbhost.example.com/orclpdb") as conn:
> with conn.cursor() cursor:
> var = cursor.var(oracledb.DB_TYPE_VARCHAR)
> var.setvalue(0, b"Fianc\xc4\x9b")
> cursor.execute("""
> ... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_25.txt | OR ` | Any of the input parameters are ` NULL ` or ` INVALID ` .
` INVALID_ARGVAL ` | Either: \- ` src_offset ` or ` dest_offset ` < 1\. \- ` src_offset ` or ` dest_offset ` > ` LOBMAXSIZE ` . \- ` amount ` < 1\. \- ` amount ` > ` LOBMAXSIZE ` .
` BUFFERING_ENABLED ` | Cannot perform operation with LOB buf... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_6.txt |
` dest_lob ` | LOB locator of the destination LOB instance.
` src_clob ` | LOB locator of the source LOB instance.
` amount ` | Number of characters to convert from the source LOB. If you want to copy the entire LOB, pass the constant ` DBMS_LOB ` . ` LOBMAXSIZE ` . If you pass any other value, it must be ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_12_0.txt | * Rows can also be fetched one at a time using the method ` Cursor.fetchone() ` :
cursor = connection.cursor()
cursor.execute("select * from MyTable")
while True:
row = cursor.fetchone()
if row is None:
break
print(row)
* If rows need to be processed... | |
DBMS_LOB_LIBCACHE/f7_27_0.txt | # More to Explore
##### CLOB/BLOB/etc | |
DBMS_LOB_LIBCACHE/f3_28_0.txt | "what are the potential dangers of doing the disable/enable process"
No dangers, but obviously the tables can't be used by others during that time
Also, check your indexing because that still seems a very slow process going
on there.
### FK follow up ... preventing child table searches | |
DBMS_LOB_LIBCACHE/sql_execution.html3_35_0.txt | For example:
def output_type_handler(cursor, metadata):
def out_converter(d):
if isinstance(d, str):
return f"{d} was a string"
else:
return f"{d} was not a string"
if metadata.type_code is oracledb.DB_TYPE_NUMBER:
... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_3_0.txt | * Stack Overflow
help chat | |
DBMS_LOB_LIBCACHE/f3_6_0.txt | ## You Asked
Environment: Oracle 12.1.0.2 on Exadata
I have a table with 30 columns, one of which is a CLOB, that contains about 26
million rows.
I have a purge job (PL/SQL packaged procedure) that DELETEs rows from nine (9)
other tables based on a list of IDs from the driver table that contains... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_2_0.txt | * python-oracledb Release Notes
* License
python-oracledb | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_56_0.txt | Email
Required, but never shown | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_4.txt | and Large Objects Developer's Guide
](/pls/topic/lookup?ctx=en/database/oracle/oracle-
database/19/arpls&id=ADLOB1001) for additional details on usage of this
procedure
#### 100.9.2 CLOB2FILE Procedure
This procedure writes the content of a ` CLOB ` into a ` bfile ` . This
procedure gets called from the deprecated ... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_8_0.txt | 3. Tags
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DBMS_LOB_LIBCACHE/f3_0_0.txt | Skip to Main Content
Ask TOM | |
DBMS_LOB_LIBCACHE/sql_execution.html3_39_0.txt | #### 5.1.5.3. Changing Query Results with Rowfactories
Python-oracledb “rowfactories” are methods called for each row retrieved from
the database. The ` Cursor.rowfactory() ` method is called with the tuple
fetched from the database before it is returned to the application. The method
can convert the tuple to a... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_62_0.txt | * The [connect] tag is being burninated
#### Related | |
DBMS_LOB_LIBCACHE/sql_execution.html3_24_0.txt | [ 4 ]
If the JSON is an object, then a dict is returned. If it is an array, then a
list is returned. If it is a scalar value, then that particular scalar value
is returned. | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_7_0.txt | ### 100.7 DBMS_LOB Rules and Limits
This topic describes general DBMS_LOB rules and limits, rules and limits
specific to external files (BFILEs), and maximum LOB and buffer sizes.
General Rules and Limits
* Oracle Database does not support constraints on columns or attributes whose type is a LOB, with the follow... | |
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DBMS_LOB_LIBCACHE/oracle_LIBCACHE_0_0.txt | [ Previous ](DBMS_LDAP_UTL.html) [ Next ](DBMS_LOB.html) JavaScript must be
enabled to correctly display this content
1. [ PL/SQL Packages and Types Reference ](index.html)
2. DBMS_LIBCACHE
## 99 DBMS_LIBCACHE
` The DBMS_LIBCACHE ` package consists of one subprogram that prepares the
library cache on an Ora... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_54_0.txt | Examples are:
cursor = connection.cursor(scrollable=True)
cursor.execute("select * from ChildTable order by ChildId")
cursor.scroll(mode="last")
print("LAST ROW:", cursor.fetchone())
cursor.scroll(mode="first")
print("FIRST ROW:", cursor.fetchone())
cursor.scroll(8,... | |
DBMS_LOB_LIBCACHE/f3_1_0.txt | * Site Feedback
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DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_6_2.txt | as ` NULL ` .
2. Operations based on ` CLOBs ` do not verify if the character set IDs of the parameters ( ` CLOB ` parameters, ` VARCHAR2 ` buffers and patterns, and so on) match. It is the user's responsibility to ensure this.
3. Data storage resources are controlled by the DBA by creating different temporary ... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_59_0.txt | * database
* oracle11g
* clob
or ask your own question . | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_9.txt | copy.
` amount ` | Number of bytes (for ` BLOBs ` ) or characters (for ` CLOBs ` ) to copy.
` dest_offset ` | Offset in bytes or characters in the destination LOB (origin: 1) for the start of the copy.
` src_offset ` | Offset in bytes or characters in the source LOB (origin: 1) for the start of the copy. ... | |
DBMS_LOB_LIBCACHE/f3_18_0.txt | Gary, August 07, 2020 - 5:50 pm UTC
Connor
I guess my biggest question is why does the DELETE from a table with a CLOB
column take many times longer than a table without a CLOB but deletes many
more rows?
What is it about the CLOB column that is causing the long delete and what can
I do about it?
Thanks... | |
DBMS_LOB_LIBCACHE/f3_14_0.txt | Results seem to show a lot of I/O. From V$SESSION_EVENT:
SID EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT MAX_WAIT TIME_WAITED_MICRO EVENT_ID WAIT_CLASS_ID WAIT_CLASS# WAIT_CLASS CON_ID
---------- ----------------------------------- ... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_7_0.txt | 1. 1. Home
2. Questions | |
DBMS_LOB_LIBCACHE/sql_execution.html3_67_0.txt | This always has an ‘extra’ column, here called RNUM.
An alternative and preferred query syntax for Oracle Database 11g uses the
analytic ` ROW_NUMBER() ` function. For example, to get the 1st to 20th names
the query is: | |
DBMS_LOB_LIBCACHE/sql_execution.html3_65_0.txt | For Oracle Database 11g and earlier there are several alternative ways to
limit the number of rows returned. The old, canonical paging query is:
SELECT *
FROM (SELECT a.*, ROWNUM AS rnum
FROM (YOUR_QUERY_GOES_HERE -- including the order by) a
WHERE ROWNUM <= MAX_ROW)
WHERE rnu... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_0_0.txt | [ Previous ](DBMS_LIBCACHE.html) [ Next ](DBMS_LOCK.html) JavaScript must be
enabled to correctly display this content
1. [ PL/SQL Packages and Types Reference ](index.html)
2. DBMS_LOB
## 100 DBMS_LOB
The ` DBMS_LOB ` package provides subprograms to operate on ` BLOBs ` , `
CLOBs ` , ` NCLOBs ` , ` BFILEs ... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_13_0.txt | 3. Teams
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DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_55_0.txt | ### Post as a guest
Name | |
DBMS_LOB_LIBCACHE/sql_execution.html3_62_0.txt | * For fetching of all data in consecutive small sets for batch processing. This happens because the number of records is too large for Python to handle at one time.
The latter can be handled by calling ` Cursor.fetchmany() ` with one
execution of the SQL query. | |
DBMS_LOB_LIBCACHE/f3_19_0.txt | ### Full table CREATE
Gary, August 10, 2020 - 1:09 pm UTC | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_7.txt | XSIZE ` for the ` amount ` parameter.
* ` CONVERTTOBLOB ` gets the source and/or destination LOBs as necessary prior to conversion and write of the data.
Exceptions
[ Table 100-18
](DBMS_LOB.html#GUID-4955DA58-0E2D-4A0D-9269-CAA5BFE114BB__BABBIEJD "This
table describes the Exceptions raised by CONVERTTOBLOB.") g... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_81_0.txt | The database will assume that the bytes provided are in the character set
expected by the database so only use this for troubleshooting or as directed.
### 5.1.12. Querying Corrupt Data | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_24.txt | mount specified is ` LOBMAXSIZE ` which you
can specify to continue loading until the end of the ` BFILE ` is reached).
Note the following requirements:
* The destination character set is always the same as the database character set in the case of ` CLOB ` and national character set in the case of ` NCLOB ` .
... | |
DBMS_LOB_LIBCACHE/f7_23_0.txt | ###
Sandeep S, June 01, 2015 - 12:31 am UTC | |
DBMS_LOB_LIBCACHE/sql_execution.html3_94_0.txt | Project Home
Builds
| |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_19.txt | s
corresponding to the ` option_type ` field for a particular LOB.
Syntax
DBMS_LOB.GETOPTIONS (
lob_loc IN BLOB,
option_types IN PLS_INTEGER)
RETURN PLS_INTEGER;
DBMS_LOB.GETOPTIONS (
lob_loc IN CLOB CHARACTER SET ANY_CS,
... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_57_0.txt | Where ` dumpobject() ` is defined as:
def dumpobject(obj, prefix = ""):
if obj.type.iscollection:
print(prefix, "[")
for value in obj.aslist():
if isinstance(value, oracledb.Object):
dumpobject(value, prefix + " ")
else... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_69_0.txt | 2
Deletion from Oracle Table | |
DBMS_LOB_LIBCACHE/sql_execution.html3_6_0.txt | Python-oracledb does not read SQL*Plus “.sql” files. To read SQL files, use a
technique like the one in ` run_sql_script() ` in samples/sample_env.py .
SQL statements should not contain a trailing semicolon (“;”) or forward slash
(“/”). This will fail: | |
DBMS_LOB_LIBCACHE/sql_execution.html3_55_0.txt | ### 5.1.8. Fetching Oracle Database Objects and Collections
Oracle Database named object types and user-defined types can be fetched
directly in queries. Each item is represented as a Python object
corresponding to the Oracle Database object. This Python object can be
traversed to access its elements. Attributes... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_1_0.txt | * 1\. Introduction to the Python Driver for Oracle Database
* 2\. Installing python-oracledb
* 3\. Initializing python-oracledb
* 4\. Connecting to Oracle Database
* 5\. Executing SQL
* 5.1. SQL Queries
* 5.1.1. Fetch Methods
* 5.1.2. Closing Cursors
* 5.1.3. Query Column Metadat... | |
DBMS_LOB_LIBCACHE/f3_23_0.txt |
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_file_multiblock_read_count integer 128
SQL> select * from v$session_event where sid = 2689;
... | |
DBMS_LOB_LIBCACHE/f7_5_0.txt | Version: 10g
Viewed 100K+ times! This question is | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_73_0.txt | #### Hot Network Questions
* Why don't room temperature superconductors exist?
* Short story about shoes that may have talked to other pairs of shoes and were possibly trying to find their owner or way home
* So...to structure
* Why is the terminator line not orange-red in photos from space?
* Could a V... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_63_0.txt | ‘Web pagination’ and limiting the maximum number of rows are detailed in this
section. For each ‘page’ of results, a SQL query is executed to get the
appropriate set of rows from a table. Since the query may be executed more
than once, ensure to use bind variables for row numbers and row limits.
Oracle Database 12c ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_47_0.txt | This displays ` 7.1 * 3 = 21.299999999999997 `
Using Python decimal objects, however, there is no loss of precision: | |
DBMS_LOB_LIBCACHE/sql_execution.html3_88_0.txt | ### 5.2.1. Inserting NULLs
Oracle requires a type, even for null values. When you pass the value None,
then python-oracledb assumes the type is STRING. If this is not the desired
type, you can explicitly set it. For example, to insert a null Oracle Spatial
SDO_GEOMETRY object: | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_3.txt | DBFS_LINK Procedures ](DBMS_LOB.html#GUID-6AD15E87-9243-4546-AA98-CC59E7EAD54D "This function links the specified SecureFile to the specified path name. It does not copy the data to the path.") | Links the specified SecureFile to the specified path name. It does not copy the data to the path
[ SETCONTENTTYPE Proced... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_22_0.txt | [ 2 ] ( 1 , 2 )
The timestamps returned are naive timestamps without any time zone information
present. | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_5_0.txt | ### 100.5 DBMS_LOB Datatypes
The table in this topic describes the datatypes used by DBMS_LOB.
.
Table 100-7 Datatypes Used by DBMS_LOB
Type | Description
---|---
` BLOB ` | Source or destination binary LOB.
` RAW ` | Source or destination ` RAW ` buffer (used with ` BLOB ` ).
` CLOB ` | Source or... | |
DBMS_LOB_LIBCACHE/f3_3_0.txt | ## Question and Answer
Thanks for the question, Gary. | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_46_0.txt | ## Your Answer
Reminder: Answers generated by artificial intelligence tools are not allowed
on Stack Overflow. Learn more | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_53_0.txt | ### Post as a guest
Name | |
DBMS_LOB_LIBCACHE/sql_execution.html3_23_0.txt | [ 3 ]
These include all user-defined types such as VARRAY, NESTED TABLE, etc. | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_6_0.txt | ### 100.6 DBMS_LOB Operational Notes
All ` DBMS_LOB ` subprograms work based on LOB locators. For the successful
completion of ` DBMS_LOB ` subprograms, you must provide an input locator that
represents a LOB that already exists in the database tablespaces or external
file system.
See also Chapter 1 of [ Oracle Dat... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_50_0.txt |
import decimal
def number_to_decimal(cursor, metadata):
if metadata.type_code is oracledb.DB_TYPE_NUMBER:
return cursor.var(decimal.Decimal, arraysize=cursor.arraysize)
cursor.outputtypehandler = number_to_decimal
cursor.execute("select * from test_float")
... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_90_0.txt | * * *
© Copyright 2016, 2024, Oracle and/or its affiliates. All rights reserved.
Portions Copyright © 2007-2015, Anthony Tuininga. All rights reserved.
Portions Copyright © 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
Canada. All rights reserved. Revision ` 7b39b030 ` . Last updated on May 02,
2024. | |
DBMS_LOB_LIBCACHE/sql_execution.html3_37_0.txt | prints:
('123 was a string', 'abc')
| |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_11_0.txt | 10. Communities for your favorite technologies. Explore all Collectives
2. Teams | |
DBMS_LOB_LIBCACHE/f3_12_0.txt | August 06, 2020 - 3:55 am UTC
Hmmm...no trace. That make things harder.
Maybe try this
Start a fresh session
Get the SID (ie, sys_context('userenv','sid')
Start your delete in serial mode.
After a while, from another session, query v$session_event and v$sesstat for
the running SID and see what comes... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_15_0.txt | Once cursors are no longer needed, they should be closed in order to reclaim
resources in the database. Note cursors may be used to execute multiple
statements.
Cursors can be closed in various ways: | |
DBMS_LOB_LIBCACHE/f3_24_0.txt | August 11, 2020 - 9:24 am UTC
I'm not convinced its the clob (without the trace data its all a bit of guess
work).
I did this sample on my exadata instance (its 19 not 12). I tried both easily
compressible data and non-compressible. Both results in zippy deletion.
| |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_28.txt | RECTORY ` | You do not have privileges for the directory.
` INVALID_DIRECTORY ` | Directory has been invalidated after the file was opened.
` INVALID_OPERATION ` | File does not exist, or you do not have access privileges on the file.
` BUFFERING_ENABLED ` | Cannot perform operation with LOB buffering enab... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_61_0.txt | * Featured on Meta
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DBMS_LOB_LIBCACHE/sql_execution.html3_5_0.txt | PL/SQL statements are discussed in Executing PL/SQL . Other chapters contain
information on specific data types and features. See Executing Batch
Statements and Bulk Loading , Using CLOB and BLOB Data , Using JSON Data
, and Using XMLTYPE Data .
Python-oracledb can be used to execute individual statements, on... |
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