Database Systems Practice Test 9
Nested Subqueries Quiz Questions and Answers PDF Download - 9
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The Quiz MCQ: The exist construct returns true as a value, if the argument subquery is; "Nested Subqueries" App Download (Free) with answers: Not empty; Empty; Exist; Not exist; for online degrees. Learn Introduction to SQL Questions and Answers, Apple eBook to download free sample to learn computer science courses.
Nested Subqueries Questions and Answers PDF Download: MCQ 9
The exist construct returns true as a value, if the argument subquery is
- Empty
- Not empty
- Exist
- Not exist
The preface that converts the DML statements to normal procedure calls in the host language, is known as
- DML pre-executor
- DML executor
- DML compiler
- DML precompile
If any of the input values is null, the result of an arithmetic expression, would be
- 0
- Null
- 1
- Undefined
Mapping cardinalities are useful in describing
- Unary relationships
- Binary relationships
- Composite relationships
- Simple relationships
The problem of being unable to represent some information, can be solved by introducing
- Pointers
- Null values
- 0 value
- Null pointer
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Computer Networks Practice Questions
- In Internet Protocol Version (IPv4) layer, datagram is of
- In Internet Protocol Version (IPv4), service type of service in header field, first 3 bits are called
- Gaps between consecutive packets at receiver cause a phenomenon is known as
- Very high-bit-rate Digital Subscriber Line's (VDSAL) downstream rate is
- Link Control Protocol (LCP) is responsible for establishing, maintaining, configuring, and