Database Systems MCQs – Practice Test 30 (Chapter 15)

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The "Introduction to SQL MCQ" App Download (Android & iOS): American National Standards Institute (ANSI) and the International Organization for Standardization (ISO) published an SQL standard, known as; MCQ with answers: sql-85, sql-84, sql-86, and sql-87. Practice Database Users and Administrators Quiz Questions, download Apple Book (Free Chapter) to support online coursework.

Introduction to SQL MCQ – Practice Test 30 PDF Download

MCQ 146: ANSI published an extended standard for SQL, named as:

SQL-87
SQL-88
SQL-89
SQL-90

MCQ 147: American National Standards Institute (ANSI) and the International Organization for Standardization (ISO) published an SQL standard, known as:

SQL-84
SQL-85
SQL-86
SQL-87

MCQ 148: In practice, duplicate elimination is:

Good approach
Time-consuming
Optimization
Data management

MCQ 149: All aggregate functions ignore null values in their input collection, except the:

Sum
Avg
Min/max
Count(*)

MCQ 150: The security and authorization information for each relation, is overlooked by:

SQL DDL
SQL DML
Authorization control
View definition

Introduction to SQL MCQ App & e-Book – Database Systems Entrance Exam

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Formal Relational Query Languages MCQs

Introduction to DBMS MCQs

Introduction to RDBMS MCQs

Overview of Database Management MCQs

Database Recovery System MCQs

DBMS Interview Questions MCQs

Query Optimization MCQs

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