Visualizing Disk Groups in Oracle ASM with SQL Note: A group number of zero his indicates that a disk is available but hasn't yet been assigned to a disk group. SQL Code 1set lines 100 2col name format a10 3col path format a30 4select name 5, group_number 6, disk_number 7, mount_status 8, state 9, path 10from …

Checking Cluster Health with crsctl check cssd SQL Command 1crsctl check cssd Purpose: To verify the status and health of the Cluster Synchronization Services (CSS) daemon (cssd), a crucial component of Oracle Clusterware. It's typically used in Oracle Real Application Clusters (RAC) and Oracle Automatic Storage …

Examining Role Table Privileges in Oracle Using role_tab_privs This page delves into an Oracle SQL code snippet that investigates table privileges granted to a specific role. SQL Code 1select owner || '.' || table_name "TABLE" 2, column_name 3, privilege 4, grantable 5from role_tab_privs 6where role like '&role' 7/ …

Find an Oracle role using the view dba_roles This page explores an Oracle SQL code snippet that retrieves information about database roles based on user-provided search criteria. SQL Code 1select * 2from dba_roles 3where role like '&role' 4/ Purpose: This code retrieves information about a specific database role, based …

Retrieving User Role Privileges in Oracle using the view dba_role_privs This page examines an Oracle SQL code snippet that fetches granted roles and their associated admin options for a specified user. SQL Code 1select grantee 2, granted_role 3, admin_option 4from dba_role_privs 5where grantee like upper('&username') …

How large is the Oracle Database? Gain a comprehensive overview of database size, free space, and used space to proactively manage storage resources and plan for future growth. SQL Code 1col "Database Size" format a20 2col "Free space" format a20 3col "Used space" format a20 4select round(sum(used.bytes) / 1024 / 1024 …

List all the Oracle Users Account Information for the Oracle Database using dba_users A detailed overview of user accounts in the Oracle database, including their status, creation date, tablespaces, and more SQL Code 1set pages 999 lines 100 2col username format a20 3col status format a8 4col tablespace format a20 5col …

Lock or Unlock an Oracle User in the Database A brief guide on locking user accounts using the alter user <username> account lock; command, including its purpose, key points, and best practices. Lock User SQL Code 1alter user <username> account lock; 2/ Unlock User SQL Code 1alter user <username> account unlock; 2/ …

Show all Active SQL for Sessions using v$session and v$sqlarea Gain real-time insights into currently active user sessions and the SQL statements they are executing to troubleshoot performance issues and optimize resources SQL Code 1set feedback off 2set serveroutput on size 9999 3column username format a20 4column …

Display Oracle v$session_longops sessions Gain visibility into recently completed long-running operations for monitoring performance and resource usage SQL Code 1set lines 100 pages 999 2col username format a15 3col message format a40 4col remaining format 9999 5select username 6, to_char(start_time, 'hh24:mi:ss …