How to move the Oracle ASM instance password file from the file system to the disk group ?
When the password file is stored inside a disk group, it is automatically replicated across all disks in the group,...
October 16, 2025
ORACLE
2025
How to recreate Grid Plug and Play ( GPnP ) profile ?
The GPnP profile is a XML file located in GRID_HOME/gpnp/<hostname>/profiles/peer under the name profile.xml. It is stored in the local...
October 14, 2025
Generating DDL script for a schema by using impdp
SQLFILE parameter in impdp can be used to generate the DDLs from a dumpfile. If you need the DDL of...
October 9, 2025
Oracle Database Feature Usage Statistics
Oracle Database includes a powerful internal mechanism called Feature Usage Statistics (FUS), which helps DBAs and system administrators track which...
April 14, 2025
SQL Tuning Health-Check Script (SQLHC)
SQL Tuning Health-Check Script (SQLHC) is used to check the environment in which a single SQL statement is running, Cost-based...
March 19, 2025
2024
Session waits on all datababase
You can display information on all database session waits by below query. SET LINESIZE 200 SET PAGESIZE 1000 COLUMN...
December 13, 2024
Execution plan fixing in Oracle databases
In some cases in Oracle databases, queries may run with bad plans due to optimizers not being able to make...
November 19, 2024
Exadata – Disk scrubbing feature
Disk scrubbing is available on Exadata cell nodes to automatically repair bad sectors on the disk when the system is...
November 19, 2024
In which cases , indexes should be rebuild ?
In Oracle databases, indexes become fragmented over time and cause serious performance problems. Indexes must be checked regularly and, if...
November 19, 2024
How to query cluster name?
After installing Oracle clusterware, we have often asked ourselves what we named the cluster. Unless we took screenshots, of course....
November 8, 2024
