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The MCQ: Performing all the tests before performing any deletion is; "Modification of Database" App Download (Free) with answers: Important; Optional; Complex; Irrational; for online computer science degrees. Practice Modification of Database Quiz Questions, download Google e-Book (Free Sample) for online bachelor's degree computer science.
Modification of Database MCQs PDF: Questions Answers Download
SQL supports nested subqueries in the where, and from clauses of an
- Outer query
- Inner query
- Outer tuple
- Inner tuple
Performing all the tests before performing any deletion is
- Important
- Optional
- Complex
- Irrational
SQL supports basic set operations on relations that includes
- Union
- Intersect
- Except
- All of the above
Scalar subqueries are also useful in SQL
- Insertion statements
- Deletion statement
- Update statements
- Retrieval statement
The SQL data-definition language is used to create relations with specified
- Schema
- Structure
- Domain
- Attributes
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Computer Architecture MCQ Questions
- An approach which does not change registers and memory's content, and it's not causing virtually memory's faults, is known as
- An alternative towards fine-grained multithreading, devised technique was
- This binary instruction (1111 1111 1111 1111 1111 1111 1111 1101)2, will be represented in binary no as
- Networking infrastructure, which can be scaled to 100,000 ports or 1 petabit/sec of
- Human-readable base representation of numbers is
Modification of Database MCQs Book Questions
- Where clause of update statement may contain any construct legal in where clause of
- A collection of conceptual tools for describing data, data relationships, data semantics, and consistency constraints, is known as
- Query processor allows database users to have better performance while being able to work at
- SQL allows us to search for mismatches instead of matches by using
- Asterisk symbol "*" is used in select clause to denote