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The MCQ: In SQL "all attributes" can be displayed by using the symbol; "SQL Objective Questions and Answers" App Download (Free) with answers ?, ^, & and * to learn software engineering courses. Study sql objective questions and answers quiz questions, download Amazon eBook (Free Sample) for top computer science schools.
SQL MCQs: SQL Objective Questions and Answers PDF Download
MCQ 1: In SQL "all attributes" can be displayed by using the symbol
- ?
- ^
- &
- *
MCQ 2: The output generated by the boolean expression 'true and unknown' is
- True
- False
- Unknown
- Null
MCQ 3: The symbol ?*? is used to denote all the attributes in a relation, and is defined in the clause
- Select clause
- Define clause
- From clause
- Where clause
MCQ 4: A powerful pattern matching operation named "similar to" was introduced in
- SQL:1997
- SQL:1998
- SQL:1999
- SQL:2000
MCQ 5: In SQL, the output of a union operation automatically eliminates
- Non-Consistency
- Duplication
- Non-Integrity
- Unauthorization
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SQL Objective Questions and Answers MCQs
- At the transport layer, the protocol(s)defined by TCP/IP, is/are
- While transmission, the amount of time taken by a bit to travel
- Characteristic of the system defining that deliver data to the correct destination, is said to be
- Scheme None Return to Zero (NRZ) is also known as
- Address space of classful addressing is divided into
- Second layer of the OSI model is called