V$log

Check Redo Log Switch Frequency with V$LOG_HISTORY Purpose How many times does the online redo log switch in a single hour, and does that number spike during the nightly batch window or stay flat around the clock? A redo log sizing decision made from a single "switches per day" total hides the answer to that question. …

How to Check Physical Standby Database Synchronization Physical standby databases in Oracle Data Guard need regular monitoring to ensure they stay synchronized with the primary database. The most effective way to check synchronization status is by comparing the current sequence number on the primary database with the …

Calculating Redo Log File Sizes in Oracle Databases Maintaining optimal performance in your Oracle database often involves careful monitoring of various components. Redo log files, crucial for recovery, require attention to ensure they're sized appropriately. In this post, I'll share a code snippet to list redo log …

Oracle: List Datafiles, Tempfiles, and Logfiles with Sizes Purpose Capacity planning starts with one number: how much disk the database files use. Oracle spreads that answer over four dynamic performance views. V$DATAFILE lists the datafiles, V$TEMPFILE the tempfiles, V$LOGFILE the redo log members and V$CONTROLFILE …

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 …

Oracle SQL Scripts and Database Commands 23c 21c 19c 18c 12c 11g 10g 9i 8i We are in the process of building a list of simple scripts used every day by DBA and others. If you have your own scripts you reuse in a text file on you workstation please send it to us. To look at other scripts see the Oracle Scripts Tag …