COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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SQL has how many main commands for DDL:
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1
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2
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3
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4
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Explanation:
Detailed explanation-1: -There are 3 main types of commands.
Detailed explanation-2: -There are five types of SQL commands: DDL, DML, DCL, TCL, and DQL.
Detailed explanation-3: -Data Definition Language (DDL) commands: ALTER for alteration. Truncate to delete data from the table. DROP to drop a table.
Detailed explanation-4: -Explanation: Create, Delete, Alter these are 3 main command.
Detailed explanation-5: -Data Definition Language (DDL) Statements. Data Manipulation Language (DML) Statements. Transaction Control Statements.
There is 1 question to complete.