What is the need for group functions in sql?
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Explain about nested stored procedure?
What are the purposes and advantages stored procedure?
Can we have more than one NULL in a column having unique constraint?
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If you are working on a SQL database and if suddenly a developer changes the code and your queries results start giving errors,how will you check using a T-SQL query (on system tables) that what has changed in the database.
Can we call future method from queueable?
how to write the query to select the rows are in the order of either 1,3,5,7... or 2,4,6,8,...
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How to connect a database with sql express.?
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