Метки¶
11g¶
- Bug 15931756 - ORA-4031 Queries against SYS_FBA_TRACKEDTABLES not shared (do not use binds)
- Bug 4991675 - Diagnostic event improve diagnosability of data dictionary invalidation issues
- DBMS_METADATA.GET_SXML_DDL may produce incorrect DDL for trigger in EBR environment
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- Event 10309: Trigger Debug event
- Event 10384 level 16384: force parallel queries to run as serial
- Event 10505: CBO enable dynamic sampling dump to table
- Function-Based index changed its definition after a rebuild
- JPPD bypassed View has non-standard group by
- Join elimination not performed in the presence of virtual columns on parent table
- ORA-8102 on ALTER TABLE SHRINK SPACE with default column optimization
- Reclaim unused space from MLOG$ segments after materialized view refresh
- Session cursor cache count statistics incorrect with parallel queries
- Suspending user session on specific enqueue
12c¶
- 12c: PX Auto DOP without IO Calibration
- APEX WWV_FLOW_SECURITY.GET_OWNER_OF_CALLING_CODE and 12.2
- Asynchronous Global Index Maintenance and Recycle Bin
- Asynchronous Global Index Maintenance effects
- Bitmap Conversion to ROWIDs with Global Indexes
- Bug 20214168 - Wrong Results using aggregations of CASE expression with fix of bug 20003240 present
- Bug 26588069 - Wrong Result (Duplicate Rows Produced) Using Group By After Upgrading To 12.2.0.1
- Bug 4991675 - Diagnostic event improve diagnosability of data dictionary invalidation issues
- Concatenation and filter subqueries oddity
- DBMS_METADATA.GET_SXML_DDL may produce incorrect DDL for trigger in EBR environment
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- Edition-based redefinition: adjunct schemas
- Incorrect handling of unused columns during GoldenGate initial load using Direct Bulk Load to SQL*Loader
- Index full scan min/max scans returning wrong results on partitioned tables
- JPPD bypassed View has non-standard group by
- OR Expansion and Virtual Columns
- ORA-01031 select V$RESTORE_POINT in PL/SQL
- ORA-3180 on Active Data Guard standby database
- ORA-8102 on ALTER TABLE SHRINK SPACE with default column optimization
- PL/SQL Create or Replace Optimization
- SQL*Plus 12.2 and searching path of login.sql
- SQL92_SECURITY and ORA-01031
- SYS and Extended Data Types
- Session spending its time IN_CURSOR_CLOSE
- Temporary LOBs
- That Old Restart Problem Strikes Back: Setting the Stage
- Too many parse errors warning в 23ai
- V$SQL_PLAN_MONITOR.STARTS is higher than expected due to NLJ batching/Prefetching
- opatch and libpicl on Solaris SPARC
18c¶
- CURSOR Expressions Return Wrong Results in 18c/19c
- Concatenation and filter subqueries oddity
- Creating RAC Physical Standby for Single Instance Primary
- Determining Oracle Database Edition
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- OPATCHAUTO-72043 and JCE
- OR Expansion and Virtual Columns
- ORA-01031 select V$RESTORE_POINT in PL/SQL
- SYS and Extended Data Types
19c¶
- Bitmap Conversion to ROWIDs with Global Indexes
- Bug 30324180 SQL Macro should be backported to 19.5
- CURSOR Expressions Return Wrong Results in 18c/19c
- Concatenation and filter subqueries oddity
- Create Standby Skip Pluggable Database
- Creating RAC Physical Standby for Single Instance Primary
- Creating a Table for Exchange and Copying Indexes
- Determining Oracle Database Edition
- Diagnosing Cluster Verification Utility (CVU) Errors
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- How to Send Messages to AWS SQS from PL/SQL Using UTL_HTTP
- Lateral views and filter predicate pushdown
- Making DBMS_SCHEDULER.CREATE_JOB Transactional
- Mythbusters: VARRAY faster than CLOB
- OR Expansion and Virtual Columns: Changes in 19c
- ORA-00855 PGA_AGGREGATE_TARGET cannot be set because of insufficient physical memory
- ORA-01031 select V$RESTORE_POINT in PL/SQL
- ORA-04036 Troubleshooting: Error Stack Based Approach
- ORA-600 [kglobpg_is_pkp] During Rolling RU 19.7 Apply
- ORA-7445 kpdbfSourceFileSearch with NFSv3 without noac option
- Patching Oracle Grid Infrastructure Standalone Environment Using opatchauto Out of Place (OOP) Patching
- Pluggable Database not Opened on all RAC Instances Following Switchover
- Reading Amazon S3 Data from Oracle on non-OCI Environment
- SU bypassed: More than 1 column in connect condition
- SYS and Extended Data Types
- Secure Use of Runtime.exec Functionality in Oracle Database
- Session spending its time IN_CURSOR_CLOSE
- Starting Oracle Database on Demand Using Socket Activation
- Strict Redaction Semantics
- That Old Restart Problem Strikes Back: Setting the Stage
- Tracing Library Cache Locks Using _kgl_debug
- Tracing SQL Macro Expansion
- Updating non Key-Preserved Table
- Using LogMiner to Identify Redo Tag for Transactions
- Using SEHA Features in EE
- Using credentials with database links in 21c
- V$DB_PIPES: Unveiling the Truth of Oracle Hash Value
- Workaround for ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion
- X$ tables: starting address
- X$MESSAGES hidden columns
- srvctl config database OSDBA and OSOPER groups not defined
21c¶
- ASM disk group fails to mount with ORA-15017 ORA-15066 errors offlining disk "RACQ$LUN3" in group "DATA" may result in a data loss
- How to trace specific SQL statement executed by certain user
- Setting database session to read only in 21c
- Using credentials with database links in 21c
- Virtual X$ tables
- X$ tables: reading X$KQFCO from Oracle binary
- X$ tables: reading X$KQFTA from Oracle binary
- X$ tables: table-level callbacks and column definitions (without parsing)
23ai¶
- Too many parse errors warning в 23ai
- Установка Oracle Database 23.5 for Engineered Systems на не-Exadata
9i¶
ASM¶
Bug¶
- Bug 15931756 - ORA-4031 Queries against SYS_FBA_TRACKEDTABLES not shared (do not use binds)
- Bug 20214168 - Wrong Results using aggregations of CASE expression with fix of bug 20003240 present
- Bug 26588069 - Wrong Result (Duplicate Rows Produced) Using Group By After Upgrading To 12.2.0.1
- CURSOR Expressions Return Wrong Results in 18c/19c
- DBMS_METADATA.GET_SXML_DDL may produce incorrect DDL for trigger in EBR environment
- Function-Based index changed its definition after a rebuild
- Incorrect handling of unused columns during GoldenGate initial load using Direct Bulk Load to SQL*Loader
- Index full scan min/max scans returning wrong results on partitioned tables
- Join elimination not performed in the presence of virtual columns on parent table
- ORA-8102 on ALTER TABLE SHRINK SPACE with default column optimization
- SU bypassed: More than 1 column in connect condition
- Session cursor cache count statistics incorrect with parallel queries
- Session spending its time IN_CURSOR_CLOSE
- Workaround for ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion
Clusterware¶
- CHA Alert CHA_DBWR_CKPT_IO_COMPLETE in OEM
- Diagnosing Cluster Verification Utility (CVU) Errors
- Using SEHA Features in EE
- gridSetup.sh executeConfigTools fails with PRVG-13606 : chrony daemon is not synchronized with any external time source
Code symbol¶
- ORA-00855 PGA_AGGREGATE_TARGET cannot be set because of insufficient physical memory
- ORA-01031 select V$RESTORE_POINT in PL/SQL
- PL/SQL Create or Replace Optimization
- Reclaim unused space from MLOG$ segments after materialized view refresh
- Session spending its time IN_CURSOR_CLOSE
- Suspending user session on specific enqueue
- Temporary LOBs
- That Old Restart Problem Strikes Back: Triggers to the Rescue
- Tracing Library Cache Locks Using _kgl_debug
- Tracing SQL Macro Expansion
- Unwrapping PL/SQL: Using Custom Wrap Tables
- Unwrapping PL/SQL: a Systematic Approach
- V$DB_PIPES: Unveiling the Truth of Oracle Hash Value
- Virtual X$ tables
- X$ tables: reading X$KQFCO from Oracle binary
- X$ tables: reading X$KQFTA from Oracle binary
- X$ tables: starting address
- X$ tables: table-level callbacks and column definitions (without parsing)
- X$MESSAGES hidden columns
- Установка Oracle Database 23.5 for Engineered Systems на не-Exadata
Data Guard¶
- Create Standby Skip Pluggable Database
- Creating RAC Physical Standby for Single Instance Primary
- ORA-3180 on Active Data Guard standby database
- Pluggable Database not Opened on all RAC Instances Following Switchover
Diagnostic event¶
- APEX WWV_FLOW_SECURITY.GET_OWNER_OF_CALLING_CODE and 12.2
- Bug 20214168 - Wrong Results using aggregations of CASE expression with fix of bug 20003240 present
- Creating a Table for Exchange and Copying Indexes
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- Edition-based redefinition: adjunct schemas
- Event 10309: Trigger Debug event
- Event 10384 level 16384: force parallel queries to run as serial
- Event 10505: CBO enable dynamic sampling dump to table
- How to trace specific SQL statement executed by certain user
- OR Expansion and Virtual Columns
- OR Expansion and Virtual Columns: Changes in 19c
- ORA-04036 Troubleshooting: Error Stack Based Approach
- PL/SQL Create or Replace Optimization
- Reclaim unused space from MLOG$ segments after materialized view refresh
- SU bypassed: More than 1 column in connect condition
- Session spending its time IN_CURSOR_CLOSE
- Strict Redaction Semantics
- Suspending user session on specific enqueue
- Temporary LOBs
- That Old Restart Problem Strikes Back: Getting What You Pay for
- That Old Restart Problem Strikes Back: Setting the Stage
- That Old Restart Problem Strikes Back: Triggers to the Rescue
- Tracing SQL Macro Expansion
- Workaround for ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion
- c3p0 PROBABLYNOT connection test query
EBR¶
- DBMS_METADATA.GET_SXML_DDL may produce incorrect DDL for trigger in EBR environment
- Edition-based redefinition: adjunct schemas
Exadata¶
GoldenGate¶
- A lot of log.* files in dirbdb directory
- Excluding DDL in Integrated Extract using DBMS_STREAMS_ADM.SET_TAG
- Incorrect handling of unused columns during GoldenGate initial load using Direct Bulk Load to SQL*Loader
- Oracle to PostgreSQL Replication: Numbers Truncated to 6 Decimal Places
Indexing¶
- Asynchronous Global Index Maintenance and Recycle Bin
- Asynchronous Global Index Maintenance effects
- Bitmap Conversion to ROWIDs with Global Indexes
- Creating a Table for Exchange and Copying Indexes
- Function-Based index changed its definition after a rebuild
- Index full scan min/max scans returning wrong results on partitioned tables
Initialization parameter¶
- 12c: PX Auto DOP without IO Calibration
- Bug 20214168 - Wrong Results using aggregations of CASE expression with fix of bug 20003240 present
- Bug 4991675 - Diagnostic event improve diagnosability of data dictionary invalidation issues
- Create Standby Skip Pluggable Database
- Index full scan min/max scans returning wrong results on partitioned tables
- Lateral views and filter predicate pushdown
- ORA-00855 PGA_AGGREGATE_TARGET cannot be set because of insufficient physical memory
- ORA-3180 on Active Data Guard standby database
- ORA-8102 on ALTER TABLE SHRINK SPACE with default column optimization
- Reclaim unused space from MLOG$ segments after materialized view refresh
- SQL92_SECURITY and ORA-01031
- SYS and Extended Data Types
- Session spending its time IN_CURSOR_CLOSE
- Setting database session to read only in 21c
- Strict Redaction Semantics
- That Old Restart Problem Strikes Back: Setting the Stage
- Too many parse errors warning в 23ai
- Tracing Library Cache Locks Using _kgl_debug
- V$SQL_PLAN_MONITOR.STARTS is higher than expected due to NLJ batching/Prefetching
- Установка Oracle Database 23.5 for Engineered Systems на не-Exadata
LOB¶
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- Mythbusters: VARRAY faster than CLOB
- SYS and Extended Data Types
- Session spending its time IN_CURSOR_CLOSE
- Temporary LOBs
- Workaround for ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion
OEM¶
- CHA Alert CHA_DBWR_CKPT_IO_COMPLETE in OEM
- EM 12.1.0.4 Installing recommended plugins and patches
- OEM Target Version not updated after applying RU patch
OERR¶
- APEX WWV_FLOW_SECURITY.GET_OWNER_OF_CALLING_CODE and 12.2
- ASM disk group fails to mount with ORA-15017 ORA-15066 errors offlining disk "RACQ$LUN3" in group "DATA" may result in a data loss
- Asynchronous Global Index Maintenance and Recycle Bin
- Bug 15931756 - ORA-4031 Queries against SYS_FBA_TRACKEDTABLES not shared (do not use binds)
- Diagnosing Cluster Verification Utility (CVU) Errors
- Incorrect handling of unused columns during GoldenGate initial load using Direct Bulk Load to SQL*Loader
- ORA-00855 PGA_AGGREGATE_TARGET cannot be set because of insufficient physical memory
- ORA-01031 select V$RESTORE_POINT in PL/SQL
- ORA-04036 Troubleshooting: Error Stack Based Approach
- ORA-3180 on Active Data Guard standby database
- ORA-600 [kglobpg_is_pkp] During Rolling RU 19.7 Apply
- ORA-7445 kpdbfSourceFileSearch with NFSv3 without noac option
- ORA-8102 on ALTER TABLE SHRINK SPACE with default column optimization
- PL/SQL Create or Replace Optimization
- Pluggable Database not Opened on all RAC Instances Following Switchover
- Reading Amazon S3 Data from Oracle on non-OCI Environment
- SQL92_SECURITY and ORA-01031
- SYS and Extended Data Types
- Setting database session to read only in 21c
- Starting Oracle Database on Demand Using Socket Activation
- Strict Redaction Semantics
- That Old Restart Problem Strikes Back: Getting What You Pay for
- That Old Restart Problem Strikes Back: Setting the Stage
- That Old Restart Problem Strikes Back: Triggers to the Rescue
- Too many parse errors warning в 23ai
- Tracing SQL Macro Expansion
- Updating non Key-Preserved Table
- Using credentials with database links in 21c
- Workaround for ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion
- opatch and libpicl on Solaris SPARC
- Установка Oracle Database 23.5 for Engineered Systems на не-Exadata
OPatch¶
- OPATCHAUTO-72043 and JCE
- ORA-600 [kglobpg_is_pkp] During Rolling RU 19.7 Apply
- Patching Oracle Grid Infrastructure Standalone Environment Using opatchauto Out of Place (OOP) Patching
- Patching with OPatch Failed with Undefined Reference to __libc_csu_fini __libc_csu_init due to Wrong Libc Library
- opatch and libpicl on Solaris SPARC
OS¶
- Determining Oracle Database Edition
- Finding cause of kernel: blk_update_request: I/O error, dev fd0, sector 0
- ORA-7445 kpdbfSourceFileSearch with NFSv3 without noac option
- Secure Use of Runtime.exec Functionality in Oracle Database
- Starting Oracle Database on Demand Using Socket Activation
- Suspending user session on specific enqueue
- gridSetup.sh executeConfigTools fails with PRVG-13606 : chrony daemon is not synchronized with any external time source
- opatch and libpicl on Solaris SPARC
- srvctl config database OSDBA and OSOPER groups not defined
- wget one liners to download data from *.oracle.com without human intervention
PL/SQL¶
- APEX WWV_FLOW_SECURITY.GET_OWNER_OF_CALLING_CODE and 12.2
- Bug 30324180 SQL Macro should be backported to 19.5
- Event 10309: Trigger Debug event
- How to Send Messages to AWS SQS from PL/SQL Using UTL_HTTP
- Making DBMS_SCHEDULER.CREATE_JOB Transactional
- ORA-01031 select V$RESTORE_POINT in PL/SQL
- PL/SQL Create or Replace Optimization
- Reading Amazon S3 Data from Oracle on non-OCI Environment
- SQL92_SECURITY and ORA-01031
- Tracing SQL Macro Expansion
- Unwrapping PL/SQL: Using Custom Wrap Tables
- Unwrapping PL/SQL: a Systematic Approach
PX¶
- 12c: PX Auto DOP without IO Calibration
- Event 10384 level 16384: force parallel queries to run as serial
- Session cursor cache count statistics incorrect with parallel queries
Performance¶
- Asynchronous Global Index Maintenance effects
- Bitmap Conversion to ROWIDs with Global Indexes
- Concatenation and filter subqueries oddity
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- Event 10505: CBO enable dynamic sampling dump to table
- JPPD bypassed View has non-standard group by
- Lateral views and filter predicate pushdown
- Mythbusters: VARRAY faster than CLOB
- OR Expansion and Virtual Columns
- OR Expansion and Virtual Columns: Changes in 19c
- Reclaim unused space from MLOG$ segments after materialized view refresh
- SU bypassed: More than 1 column in connect condition
- Session spending its time IN_CURSOR_CLOSE
- Temporary LOBs
- That Old Restart Problem Strikes Back: Getting What You Pay for
- That Old Restart Problem Strikes Back: Setting the Stage
- That Old Restart Problem Strikes Back: Triggers to the Rescue
- c3p0 PROBABLYNOT connection test query
RAC¶
- CHA Alert CHA_DBWR_CKPT_IO_COMPLETE in OEM
- Creating RAC Physical Standby for Single Instance Primary
- Direct Path Read Write Temp while Selecting CLOB from GV$ in RAC
- ORA-600 [kglobpg_is_pkp] During Rolling RU 19.7 Apply
- Pluggable Database not Opened on all RAC Instances Following Switchover
RMAN¶
SQL¶
SQL*Plus¶
X$¶
- ORA-04036 Troubleshooting: Error Stack Based Approach
- Suspending user session on specific enqueue
- Using LogMiner to Identify Redo Tag for Transactions
- V$DB_PIPES: Unveiling the Truth of Oracle Hash Value
- Virtual X$ tables
- X$ tables: reading X$KQFCO from Oracle binary
- X$ tables: reading X$KQFTA from Oracle binary
- X$ tables: starting address
- X$ tables: table-level callbacks and column definitions (without parsing)
- X$MESSAGES hidden columns