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How to recover deleted or damaged rows in MS SQL database?

Contents
  1. Can we recover data after delete in SQL?
  2. Can we recover truncated data in SQL Server?
  3. How do I rollback a delete in SQL Server?
  4. How do I repair a corrupt SQL database?
Methods to Recover Deleted Table Records in SQL Server Step 1: Create a Database. . Step 2: Insert Data into Table. . Step 3: Delete Rows from Table. . Step 4: Get Information about Deleted Rows. . Step 5: Get Log Sequence Number of the LOP_BEGIN_XACT Log Record. . Step 6: Recover Deleted Records in SQL Server.


Can we recover data after delete in SQL?

Deleted rows can be recovered if the time of their deletion is known. This can be done through the use of Log Sequence Numbers (LSNs). LSN is a unique identifier given to every record present in the SQL Server transaction log.

Can we recover truncated data in SQL Server?

If TRUNCATE is written in Query Editor surrounded by TRANSACTION and if session is closed, it can not be rolled back but DELETE can be rolled back. TRUNCATE is logged and can be "rolled back" by restoring from database or log backups in the same way that DELETE can.

How do I rollback a delete in SQL Server?

BEGIN TRAN: The transaction is now deleted. Since the transaction is locked by BEGIN TRANSACTION, so I can rollback the above deleted record by using the ROLLBACK command. After executing the ROLLBACK command, and running select statement we see that we have successfully recovered our deleted record.

How do I repair a corrupt SQL database?

Steps to Use DBCC CHECKDB for Repairing SQL Database1Step 1: Set Database to Emergency Mode. ... 2Step 2: Check for Corruption Errors. ... 3Step 3: Set SQL Server Database to SINGLE_USER Mode. ... 4Step 4: Repair the Database. ... 5Step 5: Set Database Back to MULTI_USER Mode.How to Repair SQL Database using DBCC CHECKDB Command

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