Database Systems MCQs - Chapter 22

SQL Interview Questions and Answers Quiz Questions and Answers PDF - 3

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The Quiz: We may wish to change a value in a tuple without changing all values in the tuple. For this purpose, the statement to be used is; "SQL Interview Questions and Answers" App Download iOS & Android (Free) with answers alter, modify, define and update for online database certification. Study modification of database quiz questions, download Amazon eBook (Free Sample) for online computer science schools.

SQL Interview Questions and Answers Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: We may wish to change a value in a tuple without changing all values in the tuple. For this purpose, the statement to be used is

A) Modify

B) Alter

C) Define

D) Update

MCQ 12: SQL expresses an insertion operation as

A) insert into r

B) insert to r

C) insert for r

D) insert in r

MCQ 13: SQL handles queries on relations containing null values by adding the truth value

A) True

B) False

C) Unknown

D) 0/1

MCQ 14: To avoid the problem with the order of updates, SQL provides a

A) Update construct

B) Case construct

C) Order construct

D) Flow construct

MCQ 15: The "Bulk loader" utilities allow data to be read from

A) Rewritable text files

B) Non-readable text files

C) Formatted text files

D) Extracted text files

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