Oracle Administration

Search UNIX Man Pages for Oracle DBA Tools with man -k Purpose Where Google answers most "how do I do X in UNIX" questions for a DBA today, man -k answers the narrower one — what tools the host actually has installed, and what each one does, without leaving the SSH session. Production Oracle hosts often run in …

Enable vi Command-Line Editing in ksh for Oracle DBA Shells Purpose Recalling and editing the prior command without retyping it is the single most-used operation in a long DBA shift on an Oracle host. On the Korn shell (ksh) — the default login shell on AIX 7.x, Solaris 11, HP-UX 11i, and many older Oracle 11g/12c …

Disable vi Autoindent Before Pasting SQL Scripts on Oracle Hosts Purpose Pasting a SQL script copied from email, a Confluence page, or a ticket comment into a vi buffer over SSH — and watching every line shift one indent right of the previous one — is the most common and most frustrating vi failure mode an Oracle DBA …

Scan Every Oracle Alert and Trace Log for ORA- Errors with grep Purpose Every Oracle environment generates alert logs and process trace files recording instance events, errors, and diagnostics. When a support call comes in — "the database was slow last night, can you check the logs?" — the fastest first pass is a …

LIST BACKUPSET OF DATABASE: Oracle RMAN Command Guide Purpose The LIST BACKUPSET OF DATABASE command in Oracle Recovery Manager (RMAN) displays detailed information about all backup sets that contain database datafiles. This command helps database administrators verify backup existence, check backup status, find backup …

Oracle RMAN List Backupset Command Guide Purpose The list backupset; command in Oracle Recovery Manager (RMAN) displays detailed information about backup sets stored in the RMAN repository. This command helps database administrators view backup set metadata, including backup pieces, unique keys, completion times, and …

Oracle Statspack Automation: Scheduling Hourly Database Performance Snapshots Oracle Statspack automation provides database administrators with continuous performance monitoring capabilities through scheduled snapshot collection. The spauto.sql script enables automated hourly snapshots that capture essential database …

Oracle Database EXPLAIN PLAN: Complete Guide to SQL Performance Analysis EXPLAIN PLAN is one of Oracle Database's most powerful tools for analyzing SQL query performance and understanding how the Oracle optimizer executes your statements. This comprehensive guide covers everything you need to know about using EXPLAIN …