Computer Science · Database Management Systems
Which of the following statements regarding the distinct operational scopes of SQL command categories are correct? I. Data Definition Language (DDL) commands define or modify the structural schema of database objects and their changes cannot be rolled back. II. Data Manipulation Language (DML) commands manage actual data in tables and are auto-committed, meaning their changes are immediate. III. Data Control Language (DCL) controls access rights and permissions, serving as the foundation of database security. IV. Transaction Control Language (TCL) manages database transactions and works only with DML, as DDL bypasses TCL entirely. Choose the most appropriate answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statements I, II, and IV Only
- 2Statements II, III, and IV Only
- 3Statements I, II, and III Only
- 4Statements I, III, and IV Only✓
Correct answer
Statements I, III, and IV Only
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