20 Dec 2017

SQL Database Restore Phases:



RESTORE IS A MECHANISM TO RECREATE COMPLETE / PARTS OF DATABASE.

WE USE RESTORES FOR DATA RECOVERY USING AVAILABLE BACKUP FILES.

PHASES OF RESTORE:
1. COPY PHASE : Backup contents are copied to SQL Server .

2. REDO PHASE : Committed transactions from log file are issued a CHECKPOINT.

3. UNDO PHASE : Uncommitted transactions from log file are used a ROLLBACK.

SYNTAX FOR RESTORES:
RESTORE DATABASE | LOG  <DBNAME>
FILE =  | FILEGRUP = 
FROM
DISK = <LOCATION>
WITH
RECOVERY | NORECOVERY | STANDBY | PARTIAL | REPLACE

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