How to Recover SQL Server Database Without Backup? – All Info Covered

No SQL Server backup doesn’t mean your data is lost forever. But experimenting with the original files can turn the database failure into a serious crisis. So, instead of increasing the failed attempts with every try, analyze the available recovery options first.

You may still recover some or all of the data depending on the remains like MDF or NDF database files, LDF transaction log, or backups, database copies, snapshots, or replicas, if .bak files are not available. Here, we will explain what methods you can try to recover SQL Server database without backup.

Let’s begin by understanding the actual meaning of No Backup available.

What Does “No Backup” Really Mean? – Explore Different Scenarios

Each scenario where no backup is available differs from user to user. Therefore, getting clarity about it is as important as the recovery. The information provided below will help you in this:

List of Data Availability & Its Associated Recovery Possibilities

Recovering a deleted SQL DB without backup depends on the remaining files or data. To know about the recovery possibilities, check out the table below now:

Scenarios & Data Availability	Associated Recovery Possibilities
MDF or NDF files	Analyze or recover database files
LDF files	Analyze transaction-log information
Transaction-log backups	Log-based data recovery
Data base accidentally deleted	Search for remaining database files or copies
Rows accidentally deleted	Investigate log or backups and point-in-time options
MDF corrupted	Diagnose with DBCC CHECKDB
Database is in SUSPECT mode	Diagnose recovery failure and corruption
Database is in RECOVERY_PENDING state	Investigate resources, files, and recovery issues
No backup but VM snapshot exists	Recover from snapshot or copy
No backup, files, or alternate copy	Highly uncertain recovery

Top 5 Manual Ways to Recover SQL Server Database Without Backup

We know how difficult it is for you to recover databases when there is no backup available. But there are some solutions that help to recover the database objects depending on the available files. So, check them out to apply the suitable one based on your specific case.

Method 1. Check for Remaining Backup or Secondary Copy

We advise you to always perform a thorough search for backup copies before attempting destructive recovery options. Here are the steps you can perform to do the same:

Step 1. Check the SQL Server backup history with the command below.

SELECT
database_name,
backup_start_date,
backup_finish_date,
type,
physical_device_name
FROM msdb.dbo.backupset
INNER JOIN msdb.dbo.backupmediafamily
ON backupset.media_set_id = backupmediafamily.media_set_id
WHERE database_name = ‘DatabaseName’
ORDER BY backup_finish_date DESC;

Step 2. Confirm the available data (full backups, differential backups, transaction log backups).

Step 3. Search the configured backup directories.

Step 4. Check the network storage and cloud backup repository.

Step 5. Verify another SQL Server instance for replica or secondary copy.

Step 6. Evaluate whether any discovered backup is actually restorable or not.

Method 2. Check the Existing Database Files

You can attach the database if MDF, NDF, or LDF files still exist even after it was deleted from the SQL Server, rather than repairing the database. Here’s how:

Step 1. Launch SQL Server Management Studio (SSMS).

Step 2. Connect to the SQL Server instance and expand Databases.

Step 3. Verify that the affected database is not listed there.

Step 4. Search for the original MDF and LDF files on the server.

Step 5. Right-click on Databases and click Attach.

Step 6. Select Add and Browse to locate the MDF file of the database.

Step 7. Review the contained files under the Database details.

Step 8. Confirm the associated LDF file path and proceed to OK.

Method 3. Execute the DBCC CHECKDB to Diagnose Corruption

Use the DBCC CHECKDB command to diagnose physical and logical consistency in the absence of an effective backup strategy. Here are the complete steps:

Step 1. Open SSMS and connect to SQL Server instance.

Step 2. Click on New Query option to proceed.

Step 3. Check the database integrity with the command below.

DBCC CHECKDB (‘DatabaseName’) WITH NO_INFOMSGS, ALL_ERRORMSGS;

Step 4. Wait for the command to finish the analysis.

Step 5. Review the indication of the CHECDB command carefully:

A. Apply the REPAIR_REBUILD.
B. Execute the REPAIR_ALLOW_DATA_LOSS.

A. Run the REPAIR_REBUILD Command
Here are the complete steps to execute the REPAIR_REBUILD commands.

Note: Save the original CHECKDB results before proceeding with the given steps.

Step 1. First, make sure that no one is working on the database.

Step 2. Access the new SSMS query windows and execute the command to set the database single user mode.

ALTER DATABASE [DatabaseName]
SET SINGLE_USER
WITH ROLLBACK IMMEDIATE;

Step 3. Run the REPAIR_REBUILD command:

DBCC CHECKDB (‘DatabaseName’, REPAIR_REBUILD)
WITH NO_INFOMSGS, ALL_ERRORMSGS;

Step 4. Review the outcome and set the database to multi-user mode.

ALTER DATABASE [DatabaseName]
SET MULTI_USER;

Step 5. Again run the CHECKDB to confirm data integrity.

DBCC CHECKDB (‘DatabaseName’)
WITH NO_INFOMSGS, ALL_ERRORMSGS;

Step 6. Once completed, examine the results carefully.

B. Execute the REPAIR_ALLOW-DATA_LOSS Command

When all the non-destructive repair options fail, CHECKDB commands recommend this. The REPAIR_ALLOW_DATA_LOSS command helps to restore database integrity and bypass all roadblocks. Here’s how:

Note: Apply this repair option only as a last resort.

Step 1. Save the complete output and make sure that no usable backup is available.

Step 2. Set the database to Emergency mode using an account with appropriate sysadmin privileges.

ALTER DATABASE [DatabaseName]
SET EMERGENCY;

Step 2. Once done, run the following command to set the single-user mode.

ALTER DATABASE [DatabaseName]
SET SINGLE_USER
WITH ROLLBACK IMMEDIATE;

Step 3. Execute the command below to extract the healthy objects from the database files.

DBCC CHECKDB (‘DatabaseName’, REPAIR_ALLOW_DATA_LOSS)
WITH NO_INFOMSGS, ALL_ERRORMSGS;

Step 4. Evaluate the results carefully and run the CHECKDB again.

DBCC CHECKDB (‘DatabaseName’)
WITH NO_INFOMSGS, ALL_ERRORMSGS;

Step 5. Validate the recovered data if the database becomes accessible.

Step 6. Run the constraint checks if needed with the provided command.

DBCC CHECKCONSTRAINTS (‘DatabaseName’);

Step 7. Finally, set the database to multi-user mode.

ALTER DATABASE [DatabaseName]
SET MULTI_USER;

Step 8. If the database is usable, immediately create the full backup.

Method 4. Recover the Database by Rebuilding Transaction Log

Another way to recover SQL Server data without full backup is by rebuilding the transaction logs. But you won’t have to provide the existing transaction logs files for rebuilding them. When you execute REPAIR_ALLOW_DATA_LOSS in Emergency Mode, it automatically creates a new and empty transaction log file from scratch. Not only that, the older log file is discarded by the SQL Server.

You can also rebuild the log file by running the command below.

ALTER DATABASE [DB_Name] REBUILD LOG ON (NAME = [Logical_Log_Name], FILENAME = ‘Path_To_File.ldf’);

Method 5. Export Recoverable Data to A New Database

You can preserve the usable data if the original database is accessible but contains serious corruption or damage. To do so, create a new database and export all the readable objects to it by using the steps below:

Step 1. Create a new empty database with the following command.

CREATE DATABASE RecoveredDB;

Step 2. Connect the damaged database file to the server.

Step 3. Determine tables that can still be queried.

Step 4. Use the command below to test individual tables.

SELECT TOP (100) *
FROM dbo.TableName;

Step 5. Create an identical table in the new database.

Step 6. Run the command below to copy the readable records.

INSERT INTO RecoveredDB.dbo.TableName
SELECT *
FROM DamagedDB.dbo.TableName;

Step 7. Repeat the same process for other recoverable tables.

Step 8. Recreate database objects like indexes, constraints, views, procedures, as needed.

Step 9. Match the row counts and validate application functionality.

Step 10. Now backup of the newly created database.

Important Point to Remember: This method is only applicable when the database is partially accessible.

Recover SQL Server Database Without Backup: Try the Direct Approach

All the previous methods will help you recover SQL Server databases when no backup is available. But you will need associated data depending on what remains for recovery purposes. If no data is available, then the recovery becomes difficult, and in some cases it is not even possible. Therefore, relying on our Recoveryfix for SQL Database Recovery solution is the best option. The SQL Database Recovery software helps you scan database files without requiring any .bak file to retrieve maximum possible data.

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Ending Notes

The blog covers a detailed guide on how to recover SQL Server database without backup. You can follow the structured approach to analyze and restore database objects from the available data. Remember, you must have adequate knowledge of SQL Server to recover using the native solutions.

If these requirements don’t match your particular situation, then switch to a recommended solution. The software allows you to recover deleted data from SQL Server without backup, even in the case of MDF file corruption.

FAQs: Instant Query Resolution Section

Q- Is it really possible to recover SQL Server database without backup?

A- Yes, in some situations when the original MDF or LDF files, transaction log backups, snapshots, replicas, or another database copy still exist. You can increase the chances of database recovery by using dedicated solutions (like Recoveryfix).

Q- Does the SQL Server Recovery Model really matter?

A- Yes, SQL Server has three recovery models (simple, full, or bulk-logged) that determine the transaction log management and restore operations availability.

Q- What immediate steps should I need to perform after the successful recovery?

A- After the SQL Server database restoration, implement the proper backup strategy, which includes full & differential backups, Off-site backup copies, recovery procedure documentation, and more.

Q- I want to know the safest way to recover SQL Server data without full backup?

A- The safest approach is to use the original database file if available. Apart from that, use the automated approach, which is the least destructive method with effective results.