id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_32.txt | er
` BUFFERING_ENABLED ` | Cannot perform operation with LOB buffering enabled if buffering is enabled on the LOB
` SECUREFILE_OUTOFBOUNDS ` | Attempted to perform a write operation past the end of a LOB having ` FRAGMENT_* ` on it
Usage Notes
* There is an error if the input amount is more than the da... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_46_0.txt | The following code sample demonstrates the issue:
cursor.execute("create table test_float (X number(5, 3))")
cursor.execute("insert into test_float values (7.1)")
cursor.execute("select * from test_float")
val, = cursor.fetchone()
print(val, "* 3 =", val * 3)
| |
DBMS_LOB_LIBCACHE/sql_execution.html3_83_0.txt | * Check for corrupt data in the database.
If data really is corrupt, you can pass options to the internal decode()
used by python-oracledb to allow it to be selected and prevent the whole query
failing. Do this by creating an outputtypehandler and setting `
encoding_errors ` . For example to replace corrupt cha... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_63_0.txt | 2
Slow deletes from table with CLOB fields in Oracle 10g | |
DBMS_LOB_LIBCACHE/f7_18_0.txt | August 30, 2011 - 3:58 pm UTC
the alter table does the commit.
ops$tkyte%ORA10GR2> update t set temp=y, y=null;
1 row updated.
ops$tkyte%ORA10GR2> alter table t drop column y;
Table altered.
is "safe", the alter table does a COMMIT, then it drops the column, then it
either commits (if successf... | |
DBMS_LOB_LIBCACHE/f7_25_0.txt | ###
A reader, August 06, 2015 - 1:41 pm UTC | |
DBMS_LOB_LIBCACHE/f3_25_0.txt |
SQL>
SQL> CREATE TABLE tmp_claims
2 (
3 ID NUMBER,
4 LINECOUNT NUMBER NOT NULL,
5 RAWDATA CLOB,
6 DATEOFSERVICEBEGIN DATE NOT NULL,
7 DATEOFSERVICEEND ... | |
DBMS_LOB_LIBCACHE/f7_15_0.txt | ### alternative solution
Berry Bos, February 08, 2010 - 7:16 am UTC | |
DBMS_LOB_LIBCACHE/f7_21_0.txt | use create table as select, create a new table - you are doing to update every
row, you will lock the entire table, instead of creating gobs of redo and undo
- just to a nice big create table as selelct
create table new
select ..... to_lob(cc1) as cc2 from t;
drop table t;
rename new to t;
... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_45_0.txt | ### 5.1.6. Fetched Number Precision
Oracle Database uses decimal numbers and these cannot be converted seamlessly
to binary number representations like Python floats. In addition, the range of
Oracle numbers exceeds that of floating point numbers. Python has decimal
objects which do not have these limitations. In... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_67_0.txt | 0
Oracle - DELETE Rows based on Raw Column values | |
DBMS_LOB_LIBCACHE/sql_execution.html3_32_0.txt | When creating variables using ` Cursor.var() ` in a handler, the ` arraysize
` parameter should be the same as the ` arraysize ` of the query cursor. In
python-oracledb Thick mode, the query (and ` var() ` ) arraysize multiplied
by the byte size of the particular column must be less than INT_MAX.
To unset an outp... | |
DBMS_LOB_LIBCACHE/f7_19_0.txt | ### Add new column with CLOB
Sandeep, September 10, 2013 - 2:20 pm UTC | |
DBMS_LOB_LIBCACHE/oracle_LIBCACHE_2_0.txt | ### 99.2 DBMS_LIBCACHE Security Model
To execute ` DBMS_LIBCACHE ` you must directly access the same objects as do
SQL statements. You can best accomplish this by utilizing the same user id as
the original system on the remote system.
When there are multiple schema users, ` DBMS_LIBCACHE ` should be called for
each... | |
DBMS_LOB_LIBCACHE/f3_40_0.txt | Built with using Oracle APEX (opens in new window)
| |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_31.txt | s ` or characters for ` CLOBs ` .
Exceptions
Table 100-99 TRIM Procedure Exceptions
Exception | Description
---|---
` VALUE_ERROR ` | ` lob_loc ` is ` NULL ` .
` INVALID_ARGVAL ` | Either: \- ` new_len ` < 0 \- ` new_len ` > ` LOBMAXSIZE `
` QUERY_WRITE ` | Cannot perform a LOB write inside a q... | |
DBMS_LOB_LIBCACHE/f3_33_0.txt | Glad this worked out.
To be safe, issue a "lock table" command on the parent and child tables before
doing that final delete to make sure no-one slips a orphan child row in there
whilst the constraint are disabled.
### My incorrect indexing was the culprit :-( | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_6_0.txt | company blog
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4. Sign up | |
DBMS_LOB_LIBCACHE/sql_execution.html3_26_0.txt | #### 5.1.5.1. Changing Fetched Data Types with Output Type Handlers
Sometimes the default conversion from an Oracle Database type to a Python type
must be changed in order to prevent data loss or to fit the purposes of the
Python application. In such cases, an output type handler can be specified for
queries. Thi... | |
DBMS_LOB_LIBCACHE/f7_28_0.txt | Complete documentation on Securefiles and Large Objects here
Oracle | Integrated Cloud Applications & Platform Services | |
DBMS_LOB_LIBCACHE/f7_7_0.txt | ## and Tom said...
Longs can be converted to clobs
http://docs.oracle.com/cd/B19306_01/appdev.102/b14249/adlob_long_lob.htm#sthref873
(but it requires a copy of the table be made under the covers)
Note:
The ALTER TABLE statement copies the contents of the table into a new space,
and frees the old ... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_41_0.txt | Improve this answer
Follow | |
DBMS_LOB_LIBCACHE/f7_4_0.txt | Asked: June 09, 2009 - 5:46 am UTC
Last updated: September 23, 2013 - 5:32 pm UTC | |
DBMS_LOB_LIBCACHE/sql_execution.html3_21_0.txt | Oracle Database Type | oracledb Database Type | Default Python type
---|---|---
BFILE | ` oracledb.DB_TYPE_BFILE ` | oracledb.LOB
BINARY_DOUBLE | ` oracledb.DB_TYPE_BINARY_DOUBLE ` | float
BINARY_FLOAT | ` oracledb.DB_TYPE_BINARY_FLOAT ` | float
BLOB | ` oracledb.DB_TYPE_BLOB ` | oracl... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_10_0.txt | Interpolating or concatenating user data with SQL statements, for example `
cursor.execute("SELECT * FROM mytab WHERE mycol = '" + myvar + "'")
` , is a security risk and impacts performance. Use bind variables instead.
For example, ` cursor.execute("SELECT * FROM mytab WHERE mycol =
:mybv", mybv=my... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_48_0.txt |
oracledb.defaults.fetch_decimals = True
cursor.execute("select * from test_float")
val, = cursor.fetchone()
print(val, "* 3 =", val * 3)
This displays ` 7.1 * 3 = 21.3 ` | |
DBMS_LOB_LIBCACHE/sql_execution.html3_75_0.txt | ### 5.1.11. Fetching Raw Data
Sometimes python-oracledb may have problems converting data stored in the
database to Python strings. This can occur if the data stored in the database
does not match the character set defined by the database. The `
encoding_errors ` parameter to ` Cursor.var() ` permits the data ... | |
DBMS_LOB_LIBCACHE/f3_25_1.txt | 9 pk := pk + 1;
30 end loop;
31 commit;
32
33 end;
34 /
PL/SQL procedure successfully completed.
Elapsed: 00:00:14.33
SQL>
SQL> alter table tmp_claims move;
Table altered.
Elapsed: 00:00:00.32
SQL> alter table tmp_claims move lob (raw... | |
DBMS_LOB_LIBCACHE/f3_39_0.txt | * © Oracle
* Site Map
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* * About AskTOM
* AskTOM 5.0.7 Built with love using Oracle APEX
5.0.7 | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_20.txt | ` | Pattern to be tested for. The pattern is a group of ` RAW ` bytes for ` BLOBs ` , and a character string ( ` VARCHAR2 ` ) for ` CLOBs ` .The maximum size of the pattern is 16383 bytes.
` offset ` | Absolute offset in bytes ( ` BLOBs ` ) or characters ( ` CLOBs ` ) at which the pattern matching is to start. (o... | |
DBMS_LOB_LIBCACHE/f3_38_0.txt | Oracle | Integrated Cloud Applications & Platform Services
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DBMS_LOB_LIBCACHE/sql_execution.html3_33_0.txt |
cursor.outputtypehandler = None
Other examples of output handlers are shown in Fetched Number Precision ,
Fetching LOBs as Strings and Bytes and Fetching Raw Data . Also see samples
such as samples/type_handlers_json_strings.py . | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_58_0.txt | ##
Not the answer you're looking for? Browse other questions tagged | |
DBMS_LOB_LIBCACHE/sql_execution.html3_69_0.txt | ### 5.1.10. Client Result Cache
Python-oracledb applications can use Oracle Database’s Client Result Cache
The CRC enables client-side caching of SQL query (SELECT statement) results in
client memory for immediate use when the same query is re-executed. This is
useful for reducing the cost of queries for small, ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_53_0.txt | Scrollable cursors are only supported in the python-oracledb Thick mode. See
Enabling python-oracledb Thick mode .
A scrollable cursor is created by setting the parameter ` scrollable=True `
when creating the cursor. The method ` Cursor.scroll() ` is used to move to
different locations in the result set. | |
DBMS_LOB_LIBCACHE/sql_execution.html3_38_0.txt | This shows that the number was first converted to a string by the database, as
requested in the output type handler. The ` out_converter ` function then
appended “was a string” to the data before the value was returned to the
application.
Note outconverters are not called for NULL data values unless the value
specifi... | |
DBMS_LOB_LIBCACHE/f3_11_0.txt | Gary, August 05, 2020 - 1:53 pm UTC
Hi Connor
Thanks for the quick response. Unfortunately I don't have access to
DBMS_MONITOR nor could I get to the trace file without engaging another group
with the authority that I do not have.
However, I do have OEM and the monitoring there shows huge amounts of CPU
usage a... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_7_1.txt | with ` NULL ` values for destination LOB parameters raise exceptions.
* Operations involving patterns as parameters, such as ` COMPARE ` , ` INSTR ` , and ` SUBSTR ` do not support regular expressions or special matching characters (such as ` % ` in the ` LIKE ` operator in SQL) in the ` pattern ` parameter or subs... | |
DBMS_LOB_LIBCACHE/f7_30_0.txt | 5.0.7
Built with using Oracle APEX (opens in new window) | |
DBMS_LOB_LIBCACHE/sql_execution.html3_56_0.txt | For example, if a table ` mygeometrytab ` contains a column ` geometry ` of
Oracle’s predefined Spatial object type SDO_GEOMETRY , then it can be
queried and printed:
cursor.execute("select geometry from mygeometrytab")
for obj, in cursor:
dumpobject(obj)
| |
DBMS_LOB_LIBCACHE/sql_execution.html3_8_0.txt |
cursor.execute("select * from MyTable")
## 5.1. SQL Queries | |
DBMS_LOB_LIBCACHE/f3_16_0.txt |
What am I doing wrong with the code formatting? Doh!
Other tables with many more rows but no CLOB column perform in seconds.
Thanks very much for the help!!
-gary
August 10, 2020 - 2:22 am UTC | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_16.txt | E ` | Cannot perform operation during a query
` BUFFERING_ENABLED ` | Cannot perform operation with LOB buffering enabled
` SECUREFILE_BADLOB ` | A non- ` SECUREFILE ` LOB was used in a ` SECUREFILE ` LOB only call
` SECUREFILE_OUTOFBOUNDS ` | Attempted to perform a ` FRAGMENT_* ` operation past LOB end ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_76_0.txt | The following sample demonstrates how to use this feature:
>
> # define output type handler
> def return_strings_as_bytes(cursor, metadata):
> if metadata.type_code is oracledb.DB_TYPE_VARCHAR:
> return cursor.var(str, arraysize=cursor.arraysize,
> bypass_decod... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_29.txt | MS_LOB.html#GUID-04F68159-A3D1-4220-BFCE-C9393E007B3A "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.") .
` option_type ` | Se... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_31_0.txt | Convert/Cast clob to varchar
delete from TableA where id in (select id from TableB) and to_char(text) !=
'The text has important value'; | |
DBMS_LOB_LIBCACHE/f3_26_0.txt | ### You nailed it Connor!
Gary, August 11, 2020 - 1:09 pm UTC | |
DBMS_LOB_LIBCACHE/sql_execution.html3_11_0.txt | Rows can be fetched in various ways.
* After ` Cursor.execute() ` , the cursor is returned as a convenience. This allows code to iterate over rows like:
cursor = connection.cursor()
for row in cursor.execute("select * from MyTable"):
print(row)
| |
DBMS_LOB_LIBCACHE/f3_8_0.txt | ## Rating
(9 ratings) | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_4_0.txt | ### 100.4 DBMS_LOB Constants
This topic describes the constants used by the DBMS_LOB package
These are shown in following tables:
* [ Table 100-1 ](DBMS_LOB.html#GUID-5007AA22-A628-4F44-B173-6B27F8C68A83__BGBICCEC "This table describes basic Constants used by DBMS_LOB package.")
* [ Table 100-2 ](DBMS_LOB.htm... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_0_0.txt | python-oracledb
latest | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_8_0.txt | ### 100.8 DBMS_LOB Exceptions
The table in the topic describes the exceptions for DBMS_LOB.
Table 100-8 DBMS_LOB Exceptions
Exception | Code | Description
---|---|---
` ACCESS_ERROR ` | ` 22925 ` | You are trying to write too much data to the LOB: LOB size is limited to 4 gigabytes.
` BUFFERING_ENABL... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_11.txt | age Notes
Returns a globally unique file pathname that can be used for archiving. This
is guaranteed to be globally unique across all calls to this function for
different LOBs and versions of that LOB. It is always the same for the same
LOB and version.
#### 100.9.12 ERASE Procedures
This procedure erases an entir... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_52_0.txt | Scrollable cursors enable applications to move backwards, forwards, to skip
rows, and to move to a particular row in a query result set. The result set is
cached on the database server until the cursor is closed. In contrast, regular
cursors are restricted to moving forward.
Note | |
DBMS_LOB_LIBCACHE/sql_execution.html3_73_0.txt | Tables can then be created, or altered, so repeated queries use CRC. This
allows existing applications to use CRC without needing modification. For
example:
SQL> CREATE TABLE cities (id number, name varchar2(40)) RESULT_CACHE (MODE FORCE);
SQL> ALTER TABLE locations RESULT_CACHE (MODE FORCE);
| |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_79_0.txt | * About
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DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_23.txt | ` > ` LOBMAXSIZE ` .
` BUFFERING_ENABLED ` | Cannot perform operation with LOB buffering enabled if buffering is enabled on the BLOB
See Also:
[ Oracle Database SecureFiles and Large Objects Developer's Guide
](/pls/topic/lookup?ctx=en/database/oracle/oracle-
database/19/arpls&id=ADLOB1016) for additional d... | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_15.txt | FRAGMENT_INSERT ` gets the LOB, if necessary, before performing operations
on the LOB.
#### 100.9.21 FRAGMENT_MOVE Procedure
This procedure moves the amount of bytes (BLOB) or characters (CLOB/NCLOB)
from the specified offset to the new offset specified.
Syntax
DBMS_LOB.FRAGMENT_MOVE (
lob_lo... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_10_0.txt | 8. Discussions
9. Collectives | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_24_0.txt | * database
* oracle11g
* clob
Share | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_27.txt | faces. However, if you open a LOB, you must close it before you commit
the transaction; an error is produced if you do not. When an internal LOB is
closed, it updates the functional and domain indexes on the LOB column.
It is an error to commit the transaction before closing all opened LOBs that
were opened by the tra... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_49_0.txt | To learn more, see our tips on writing great answers .
Draft saved | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_4_0.txt | * Meta Stack Overflow
### your communities | |
DBMS_LOB_LIBCACHE/sql_execution.html3_49_0.txt | See samples/return_numbers_as_decimals.py
An equivalent, longer, older coding idiom to ` Defaults.fetch_decimals ` is
to use an output type handler do the conversion. | |
DBMS_LOB_LIBCACHE/f3_5_0.txt | Version: 12.1.0.2
Viewed 10K+ times! This question is | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_12.txt | -database/19/arpls&id=ADLOB1006) for additional details on usage of this procedure
#### 100.9.13 FILECLOSE Procedure
This procedure closes a ` BFILE ` that has already been opened through the
input locator.
Note:
The database has only read-only access to ` BFILEs ` . This means that `
BFILEs ` cannot be written ... | |
DBMS_LOB_LIBCACHE/f7_9_0.txt |
ops$tkyte%ORA10GR2> create table t ( x int primary key, y varchar2(4000) );
Table created.
ops$tkyte%ORA10GR2> insert into t values ( 1, 'hello' );
1 row created.
ops$tkyte%ORA10GR2> commit;
Commit complete.
ops$tkyte%ORA10GR2>
ops$tkyte%ORA10GR2> ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_59_0.txt | Other information on using Oracle objects is in Using Bind Variables .
Performance-sensitive applications should consider using scalar types instead
of objects. If you do use objects, avoid calling ` Connection.gettype() `
unnecessarily, and avoid objects with large numbers of attributes. | |
DBMS_LOB_LIBCACHE/f3_23_1.txt | astpath)
56201080 consistent gets
56201080 consistent gets from cache
56199734 consistent gets pin
56157457 consistent gets pin (fastpath)
1346 consistent gets examination
1346 consistent gets examination (fastpath)
4.6078E+11 logical read bytes from cache ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_30_0.txt |
def output_type_handler(cursor, metadata):
if metadata.type_code is oracledb.DB_TYPE_NUMBER:
return cursor.var(oracledb.DB_TYPE_VARCHAR, arraysize=cursor.arraysize)
This output type handler is called once for each column in the SELECT query.
For each numeric column, the database ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_92_0.txt | Versions
latest
stable
v2.1.2
v2.1.1
v2.1.0
v2.0.1
v2.0.0
v1.4.2
v1.3.2
v1.2.2
v1.1.1
v1.0.3 | |
DBMS_LOB_LIBCACHE/sql_execution.html3_64_0.txt |
myoffset = 0 // do not skip any rows (start at row 1)
mymaxnumrows = 20 // get 20 rows
sql =
"""SELECT last_name
FROM employees
ORDER BY last_name
OFFSET :offset ROWS FETCH NEXT :maxnumrows ROWS ONLY"""
cursor = connection.cursor()
for row ... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_36_0.txt | The output type handler is called once for each column in the SELECT query.
For each numeric column, the database will now return a string representation
of each row’s value. The outconverter will then be called in Python for each
of those values. Using it in a query:
cursor.outputtypehandler = output_ty... | |
DBMS_LOB_LIBCACHE/f7_8_0.txt |
ops$tkyte%ORA10GR2> create table t ( x int, y varchar2(4000) );
Table created.
ops$tkyte%ORA10GR2> insert into t values ( 1, 'hello' );
1 row created.
ops$tkyte%ORA10GR2>
ops$tkyte%ORA10GR2> alter table t modify( y clob );
alter table t modify( y clob )
... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_19_0.txt | Ask Question
Asked 5 years, 10 months ago | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_2_0.txt | Loading…
1. ### current community | |
DBMS_LOB_LIBCACHE/f3_35_0.txt | September 09, 2020 - 2:47 am UTC
Glad you got to the bottom of it, and thanks for updating the post | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_10.txt | NVALID_ARGVAL ` | ` lob_loc_src ` LOB has not been archived
` ORA-01555 ` | If the source LOB has been retrieved, never archived, or if the LOB has been migrated in and out (modified or not) since the locator was gotten.
#### 100.9.9 COPY_FROM_DBFS_LINK
This procedure retrieves the archived SecureFiles LO... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_29_0.txt | ## 2 Answers 2
Sorted by: Reset to default | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_70_0.txt | 0
How can I delete duplicate rows in the same table that have identical CLOB
data? | |
DBMS_LOB_LIBCACHE/f3_32_0.txt | Hi Guys
My solution was to disable the FKs on the parent table before deleting the
qualified rows and re-enabling them afterwards.
Since I had already explicitly deleted the child rows as an earlier step I
felt comfortable that I was not creating any orphan child rows.
I will schedule the purge job at a ... | |
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DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_77_0.txt | * Questions
* Help
##### Products | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_1_0.txt | ### 100.1 DBMS_LOB Overview
` DBMS_LOB ` can read and modify ` BLOBs ` , ` CLOBs ` , and ` NCLOBs ` ; it
provides read-only operations for ` BFILEs ` . The bulk of the LOB operations
are provided by this package.
| |
DBMS_LOB_LIBCACHE/sql_execution.html3_13_0.txt | Note the ` size ` parameter only affects the number of rows returned to the
application, not to the internal buffer size used for tuning fetch
performance. That internal buffer size is controlled only by changing `
Cursor.arraysize ` , see Tuning Fetch Performance .
* If all of the rows need to be fetched and c... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_19_0.txt | This could result in metadata like:
('ID', <class 'oracledb.DB_TYPE_NUMBER'>, 39, None, 38, 0, 0)
('NAME', <class 'oracledb.DB_TYPE_VARCHAR'>, 20, 20, None, None, 1)
| |
DBMS_LOB_LIBCACHE/sql_execution.html3_72_0.txt |
SQL> ALTER SYSTEM SET CLIENT_RESULT_CACHE_LAG = 3000 SCOPE=SPFILE;
SQL> ALTER SYSTEM SET CLIENT_RESULT_CACHE_SIZE = 64K SCOPE=SPFILE;
CRC can alternatively be configured in an oraaccess.xml or sqlnet.ora file
on the Python host, see Client Configuration Parameters . | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_8.txt |
Preconditions
Before calling the ` CONVERTTOCLOB ` procedure, the following preconditions
must be met:
* Both the source and destination LOB instances must exist.
* If the destination LOB is a persistent LOB, the row must be locked before calling the ` CONVERTTOCLOB ` procedure. To lock the row, select the LOB... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_84_0.txt |
def output_type_handler(cursor, metadata):
if metadata.type_code is oracledb.DB_TYPE_VARCHAR:
return cursor.var(metadata.type_code, size,
arraysize=cursor.arraysize,
encoding_errors="replace")
cursor.outputtypehandler... | |
DBMS_LOB_LIBCACHE/sql_execution.html3_29_0.txt | The function is called once for each column that is going to be fetched. The
function is expected to return a variable object (generally by a call to `
Cursor.var() ` ) or the value ` None ` . The value ` None ` indicates that
the default type should be used.
For example: | |
DBMS_LOB_LIBCACHE/f3_36_0.txt | Comment
---
Connor and Chris don't just spend all day on AskTOM. You can also catch
regular content via Connor's blog and Chris's blog . Or if video is more
your thing, check out Connor's latest video and Chris's latest video from
their Youtube channels. And of course, keep up to date with AskTOM via the... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_52_0.txt | Sign up using Email and Password
Submit | |
DBMS_LOB_LIBCACHE/f7_10_0.txt | ## Rating
(7 ratings) | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_43_0.txt | 1 1 1 bronze badge
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DBMS_LOB_LIBCACHE/sql_execution.html3_20_0.txt | ### 5.1.4. Fetch Data Types
The following table provides a list of all of the data types that python-
oracledb knows how to fetch. The middle column gives the type that is returned
in the query metadata . The last column gives the type of Python object that
is returned by default. Python types can be changed wi... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_36_0.txt | * While trying the above query iam getting the below error.rror report - SQL Error: ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion (actual: 4238, maximum: 4000) 22835. 00000 - "Buffer too small for CLOB to CHAR or BLOB to RAW conversion (actual: %s, maximum: %s)"
– harish | |
DBMS_LOB_LIBCACHE/oracle_DBMS_LOB_9_21.txt | ated with the LOB, not with the locator.
If locator1 opened the LOB, then locator2 also sees the LOB as open. For
internal LOBs, ` ISOPEN ` requires a round-trip, because it checks the state
on the server to see if the LOB is indeed open.
For external LOBs ( ` BFILEs ` ), ` ISOPEN ` also requires a round-trip,
because... | |
DBMS_LOB_LIBCACHE/deleting-some-rows-in-a-table-based-on-a-colum-which-is-a-clob-data-type7_14_0.txt | ##### Collectives™ on Stack Overflow
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