COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In order to delete data from a database, which of the following SQL statements would you use?
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COLLAPSE
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DELETE
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REMOVE
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UPDATE
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Explanation:
Detailed explanation-1: -The DELETE statement is used to delete existing records in a table.
Detailed explanation-2: -The DROP statement in SQL is used to delete a table or a database.
Detailed explanation-3: -The DROP TABLE statement is used to drop an existing table in a database.
Detailed explanation-4: -Use DELETE FROM with the name of the table from which you’d like to delete a row. In WHERE, write the condition specifying the row. If you have a specific row in mind, it is best to write the condition using the column containing unique values.
Detailed explanation-5: -We can use both SQL Delete and SQL Truncate statement to delete the data.
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