Database Systems MCQs – Certification Test 1423

SQL Data Definition MCQ (Question 1423) – Study App & e-Book Download

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MCQ 1423: We can drop attributes from a relation by the command:

alter table r drop A;
alter table r delete A;
modify table r delete A; alter table r drop A;
alter table r drop A;

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Database Systems MCQ App & e-Book – SQL Data Definition Admission Tests

Relational Databases Test 1434

Types of Storage Structure Test 1435

Overview of SQL Query Language Test 1436

Transaction Model Test 1437

Database Views Test 1438

Database Authorization Test 1439

Schema Diagrams Test 1440

Algorithms for Recovery and Isolation Exploiting Semantics Test 1441

Entity Relationship Model Test 1442

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