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Questions and Answers
What operation is performed by the 'Select' statement in SQL?
What operation is performed by the 'Select' statement in SQL?
- Update existing data in a table
- Insert data into a table
- Delete all records from a table
- Retrieve data from a database (correct)
Which SQL operation is used to insert data into a table?
Which SQL operation is used to insert data into a table?
- Merge
- Insert (correct)
- Select
- Update
What does the 'Commit' statement do in SQL?
What does the 'Commit' statement do in SQL?
- Revoke permissions from users
- Save the transaction on the database (correct)
- Retrieve the stored data
- Update existing data within a table
Which statement is used to give user access privileges to a database in SQL?
Which statement is used to give user access privileges to a database in SQL?
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What is the purpose of the 'Explain plan' statement in SQL?
What is the purpose of the 'Explain plan' statement in SQL?
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In SQL, what operation does the 'Rollback' statement perform?
In SQL, what operation does the 'Rollback' statement perform?
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'Lock table' statement in SQL is primarily used for what purpose?
'Lock table' statement in SQL is primarily used for what purpose?
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'Revoke' statement in SQL is typically used for:
'Revoke' statement in SQL is typically used for:
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'Merge' operation in SQL performs which type of operation?
'Merge' operation in SQL performs which type of operation?
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'Call' statement in SQL is primarily used for what purpose?
'Call' statement in SQL is primarily used for what purpose?
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