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  • Process ##:#:# (0x1aac) Worker #### appears to be non-yielding on Scheduler #.

    The error message “Worker appears to be non-yielding on Scheduler” in SQL Server typically indicates a performance issue where a worker thread is stuck and not yielding CPU time back to the scheduler. This can lead to performance degradation, blocking, or even system instability. Possible Causes of the Non-Yielding Scheduler Issue Long-Running Query or Blocking…

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    Abhishek Yadav

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  • About Us

    At CLOTA Technology, we provide innovative solutions in database technologies, web development, cloud maintenance, and software support to help businesses achieve their goals. Our services include expert SQL and NoSQL database design, implementation, and maintenance with certified DBAs boasting 15+ years of experience. We specialize in custom website and app creation, cloud services for migrations,…

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    Abhishek Yadav

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  • Resource Database

     Resource Database  having below properties: 1. Read only DB 2. Contains system objects 3. Does not contain any user objects 4. Physical name of the DB 5. Each SQL Instance having only 1 Resource DB. 6. DB id of Resource DB always 32767 7. DB backup is not possible of Resource DB.

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    Abhishek Yadav

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  • Counters for Monitoring SQL Server Performance

    Below are the top few counters which we need to monitor to know SQL Server performance. On the basis of optimal values of the counters, we can identify performance of SQL Server… They are…  1.  SQLServer: Buffer Manager: Buffer Cache hit ratio  2.  SQLServer: Buffer Manager: Page life expectancy  3.  SQLServer: SQL Statistics: Batch Requests/Sec…

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    Abhishek Yadav

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  • Endpoint

    Endpoint: An endpoint is a SQL Server object that enables SQL Server to communicate over the network. It encapsulates a transport protocol and a port number. An endpoint is a network protocol which is used to communicate Principal, Mirror and Witness servers over the network. Creation of an end point:- Create endpoint <endpoint name> State=started/stopped/disabled…

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    Abhishek Yadav

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  • Deadlock

    Deadlock is a situation where two or more transactions wait for completion of each-other for resources but none of them completes. or Deadlock occur between the transactions when 2 or more translations permanently block each-other in such a ways that each transaction having a lock on the resource where the other tasks are trying to…

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    Abhishek Yadav

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  • SQL Server Browser

    Start and Stop SQL Server Browser Service It’s possible to start/stop the service using SQL Server Configuration Manager or Services.msc. If we stop the SQL Server browser services then we will not connect through named instance at SSMS by manually. Now see if we stop the browser services then we will not connect with named…

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    Abhishek Yadav

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  • Database Indexes and Maintenance

    SQL Server B-Tree Indexes        Root Level        Intermediate Level        Leaf Level Index Column Selection DMV for analysing Index   sys.dm_db_index_physical_stats(null,null,null,null,null) Clustered Index   Clustered indexes sort and store the data rows in the table or view based on their key values. These are the columns included in the index definition. There can…

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    Abhishek Yadav

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  • Orphaned user in Database

    List of Orphan user in DB We can list out all the orphan users from a database using below query… USE <database_name> Exec sp_change_users_login @Action=’Report’; GO; Fix Orphan user in DB After finding orphan users, we can do user and login mapping using below query… USE <database_name>Exec sp_change_users_login @Action=’update_one’, @UserNamePattern='<database_user>’, @LoginName='<login_name>‘GO

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    Abhishek Yadav

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