Database Systems Practice Test 131
Integrity Constraints Quiz Questions with Answers PDF Download - 131
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The Integrity Constraints Trivia Questions and Answers PDF (Integrity Constraints Quiz Answers PDF e-Book) download Ch. 21-131 to solve Database Systems Practice Tests. Learn SQL Concepts and Queries MCQ Questions PDF, Integrity Constraints Multiple Choice Questions (MCQ Quiz) for computer science bachelor degree online. The Integrity Constraints Trivia App Download: Free learning app for magnetic disk and flash storage, deadlock handling, aggregate functions, recursive views, integrity constraints test prep for software engineering online courses.
The Trivia MCQ: Taking the instructor's relation into account, the integrity constraint ensures that instructor name cannot be; "Integrity Constraints" App (iOS & Android) with answers: Empty; Null; Duplicated; Referenced; for software engineering online courses. Study SQL Concepts and Queries Questions and Answers, Apple Book to download free sample for software engineering online courses.
Integrity Constraints Quiz with Answers PDF Download: MCQs 131
Taking the instructor's relation into account, the integrity constraint ensures that instructor name cannot be
- Null
- Empty
- Duplicated
- Referenced
The second subquery of the recursive view is said to be
- Non-recursive
- Dynamic
- Absolute
- Recursive
In SQL, the count of an empty collection is defined to be
- 1
- 0
- Infinite
- Unknown
The deadlock prevention scheme named wound-wait is a
- Non-linear preemptive technique
- Linear preemptive technique
- Preemptive technique
- Nonpreemptive technique
The process of temporarily storing the blocks in an inmemory buffer, to satisfy future requests, is known as
- Read-ahead
- Buffering
- Scheduling
- Log Disk
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Computer Networks Practice Questions
- A combination of rules and procedures that lets routers on internet inform each other of changes, is
- A natural satellite can be used as a relaying node in network, such as
- A virtual tributary is a partial
- In Low Earth Orbit (LEO) satellites, round-trip time propagation delay is normally less than
- In third generation cellular telephony, data rate of access is 384 Kbps for
Integrity Constraints Practice Tests
- Multiple-granularity locking protocol uses multiple lock modes to ensure
- A single application can have several different versions of layer known to be
- Execution of multiple statements in a single call is being eliminated because of
- Names of attributes in result are derived from names of attributes in relations in
- Value of one relation for a given set of attributes, appearing for a certain set of attributes in another relation, is known as