We will check data guard status in SQL Plus in this article in many ways. Check 1: Check for LAG from V$DATAGUARD_STATS View. [crayon-6096c287eb1c1632806837/] [crayon-6096c287eb1cc393369857/] …

You can find all standby databases for a primary database in data guard by using one of the queries below. [crayon-6096c287ebc7e359749387/] or [crayon-6096c287ebc84083092934/] Standby -> …

Check Data Guard Recovery Mode You can find database_mode, recovery mode and protection mode of your Data Guard as follows. [crayon-6096c287ebe3b538181312/] Data Guard Recovery Modes …

This article contains scripts about checking Standby redo logs. You can use the below queries to check standby redo logs in Oracle. [crayon-6096c287ebff8198425892/] or [crayon-6096c287ebffd842074657/]

Whether the ARCHIVE Logs are transferred to Standby can be seen from the ALERT LOGs as follows. [crayon-6096c287ec1be779995411/] After the archives are created, sometimes writing …

If you want to learn What the Redo Log is, you should read the article named “Oracle Redo Log And Archive Log”. I will tell …

What is Redo Apply? Redo Apply performs the task of creating a block-by-block copy of the Primary database. The operations are as follows; The RFS …

I will explan Automatic GAP Resolution in Oracle Data Guard in this article. You may want to read below articles two understand Oracle Data Guard …

I recommend reading article “Oracle Data Guard Architecture” to understand What is Data Guard before reading this article. Redo transport services are responsible for transporting …

What is Archivelog Mode in Oracle? The following operations cannot be performed until archive log mode is enabled. RMAN Online Backup Flashback Database User Managed …