601 SQL Server

Generally, SQL Server error 601 occurs when the database engine encounters an issue while trying to read data during  query execution. There are two potential reasons behind this issue – one of the common reasons for this error is looking for conflict when a user tries to attempt to read the currently modified ( like – updating, deleting and inserting) by another iteration can lead to error 601. And the other reason is data corruption, it occurs due to various reasons ( like – hardware issue, malware or virus attack, human error,etc). In this post we outlined some techniques that surely resolve the SQL database error without any data loss. 

Methods to fix SQL Server Error 601 

In this following section, we have discussed the best method that will help you to fix SQL error 60 sqlstate 61000. 

  1. Restore the entire database from the backup.
  2. Restore the damaged page.
  3. Use the DBCC CHECKDB command to repair SQL Server databases.
  4. Use Expert Solution to repair the damaged database

Also Read: How to repair corrupted SQL Server database for MDF & NDF Files.

Resolving Error 601 SQL Server Instantly by Cancelling Query

To address the SQL Server error 601 caused by the NOLOCK hint, users can cancel the query to resolve it swiftly. Here are two options available:

Option 1: Cancel Query and Resubmit Later

Step 1: Cancel Query in SSMS

  • In SQL Server Management Studio (SSMS), locate and click the Cancel icon to halt the query.

Option 2: Kill Process with NOLOCK Hint

Step 1: Identify Blocking Query

  • Execute the following query in SSMS to pinpoint the blocking query

SELECT

  r.session_id SessionID,

  r.blocking_session_id BlockingSessionID,

  r.start_time,

  r.status,

  r.command,

  t.text queryText

FROM

  sys.dm_exec_requests r

  CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) t

WHERE

  r.blocking_session_id > 0;

Upon execution, this query will provide output containing:

  • Session ID
  • Blocking Session ID
  • Query Start Time
  • Request Status
  • Command Status
  • Query Text

Step 2: Kill Blocking Session

To terminate the session causing the block, execute the following Kill command with the respective session ID:

KILL 34

The kill command kills the session ID.

The above mentioned Kill command helps to  end the session identified by the given ID.

By following these steps, users can promptly address the Error 601 SQL Server . After cancelling or killing the problematic query, users can then proceed with minimizing any potential damage caused by this issue.

Restoring Corrupted Database After SQL Server Error 601 NOLOCK

To address the damage caused by SQL Server error 601 with NOLOCK, users can repair the database using the DBCC CHECKDB command. This method effectively resolves corruption issues within the database. For those less familiar or non technical users, an automated solution is also available.

Execute the following command to initiate the repair process:

This command provides users with three distinct repair options for SQL data recovery:

  1. Repair_Fast
  2. Repair_Rebuild
  3. Repair_Allow_Data_Loss

By running this command, users can repair the corrupted SQL database and resolve issues stemming from Error 601 SQL Server. This process ensures database integrity and functionality are restored, allowing users to proceed with confidence.

Solution 1 : Restoring a Database from Backup to Resolve SQL Error 601

To resolve the SQL Server error 601, users should consider restoring the database from a backup (BAK) file. Below are the steps to achieve this:

Backup the Database:

Begin by backing up the database with the following command, which will overwrite the existing backup Once the backup is complete, proceed with the restore command to fix SQL Server error 601 without complications:

Alternatively, users can utilize the SQL Server Management Studio (SSMS) method:

  • Launch and open the SSMS and connect to the database.
  • Thereafter, right-click on the desired database and then select “Tasks” >> “Backup.”
  • Now, Configure backup options, set the destination, and hit “OK.”
  • After that, Store the backup file securely.
  • To restore, right-click on the target database (or create a new one) and choose “Tasks” >> “Restore” >> “Database.”
  • Then, Set “Device” as the source and browse for the backup file.
  • Configure restore options and click “OK” to resolve SQL Database Error 601 easily.
  • Monitor the restoration progress in the SSMS messages tab.
  • Under the database properties, verify data and log file locations.
  • Test the restored database for data integrity and functionality.

Solution 2 : Resolve the Error 601 SQL Server With Expert Suggested Utility

If you’re one of those who do not want to execute the lengthy & complex manual solution, then try using the Trusted SysTools SQL Database Recovery Tool. It is like a simple, but effective way to repair and recover several database files in bulk. The tool offers two scan mode options – Quick (minor corruption) and Advanced (severe corruption).

Furthermore, you can even preview & recover specific database objects like tables, triggers, views, functions, stored procedures, and more. It is compatible with all the SQL Server versions including 2022, 2019, 2017, 2016, 2014 , 2012 and earlier ones. 

Steps to fix Error 601 SQL Server : 

  1. Download and run the tool on the local computer & click on the Open button.
  2. Now, pick a scan mode – either Quick Scan or Advance Scan as per your requirement. 
  3. Afterwards,  preview the data in your SQL Server MDF database file & click on the Export option.
  4. Next, set the destination path and adjust any other important settings if required.
  5. Finally,  Click on the Export button to fix error 40 could not open a connection to SQL Server. 

Prime Features 

  • Recover database objects like- tables, views, rules, indexes, stored procedures, triggers, and more.
  • Recover deleted data effortlessly for optimal results.
  • Offers two scan modes: Quick scan and Advanced scan for resolving “SQL error 4060 cannot open database “ error. 
  • Provide three Export Modes: To SQL Server, To SQL Scripts, CSV File Format.
  • Auto-detects the SQL Server version or provides a manual option.
  • Additional features to fix SQL error 601 seamlessly.

Final Thoughts

In this article, we’ve covered all the ways to fix the “Error 601 SQL Server “. Also, we talked about two different methods to – a manual solution and the professional solution. If you have administrator level knowledge, then you can try the manual solution. But if you’re not so tech-savvy, you can go for the professional solution. It’s a totally safe and secure option to solve this problem.

By Anurag Rathod

Anurag Rathod is an Editor of Appclonescript.com, who is passionate for app-based startup solutions and on-demand business ideas. He believes in spreading tech trends. He is an avid reader and loves thinking out of the box to promote new technologies.