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Home 2018 March SQL Server Interview: What is the difference between TABLOCK and TABLOCKX?

SQL Server Interview: What is the difference between TABLOCK and TABLOCKX?

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Are you database developer?
Are you looking for a job change or preparing for next interview?

Then, You must know about the Database/Table lock related questions/practical solutions.

SELECT *FROM Table_Name WITH (TABLOCK)
VS
SELECT *FROM Table_Name WITH (TABLOCKX)

Sort answers like:

TABLOCK means a shared lock (You can select the data anytime)
TABLOCKX means an exclusive lock (You can’t access the table until it finishes the execution)

TABLOCK is used for operations that do not change the data
TABLOCKX is used for the data modification operations

Mar 21, 2018Anvesh Patel

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Anvesh Patel

Database Engineer

March 21, 2018 SQL Server, SQL Server InterviewAnvesh Patel, database, database lock, database research and development, dbrnd, SQL Query, SQL Server, SQL Server Administrator, SQL Server Error, SQL Server Interview, SQL Server Monitoring, SQL Server Performance Tuning, SQL Server Programming, SQL Server Tips and Tricks, Table Lock, TABLOCK, TABLOCKX, TSQL
About Me!

I'm Anvesh Patel, a Database Engineer certified by Oracle and IBM. I'm working as a Database Architect, Database Optimizer, Database Administrator, Database Developer. Providing the best articles and solutions for different problems in the best manner through my blogs is my passion. I have more than six years of experience with various RDBMS products like MSSQL Server, PostgreSQL, MySQL, Greenplum and currently learning and doing research on BIGData and NoSQL technology. -- Hyderabad, India.

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