Database Systems Practice Test 285

Nested Subqueries Quiz Questions and Answers PDF - 285

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The Quiz: Not Exists construct is used to test in a relation for the; "Nested Subqueries" App Download (Free) with answers existence of attributes, existence of tuples, non-existence of tuples and non-existence of attributes for online SQL certification courses. Solve introduction to sql questions and answers, Amazon eBook to download free sample for accelerated computer science degree online.

Nested Subqueries Questions and Answers PDF Download: Quiz 285

MCQ 1421: The Not Exists construct is used to test in a relation for the

A) Existence of tuples

B) Existence of attributes

C) Non-existence of tuples

D) Non-existence of attributes

MCQ 1422: For grouping the attributes to form various tables, the second way is to use

A) Algorithms

B) Functions

C) Relational model

D) Entity relationship model

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

A) alter table r drop A;

B) alter table r delete A;

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

D) alter table r drop A;

MCQ 1424: Values of one type of data can be converted to another domain using the type conversion

A) Define

B) Modify

C) Alter

D) Cast

MCQ 1425: Oracle and IBM DB2 allow Java functions to run as part of the database

A) Procedure

B) Product

C) Process

D) Program

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