Database Systems Practice Test 75
Aggregate Functions Quiz Questions with Answers PDF Download - 75
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The Aggregate Functions Trivia Questions and Answers PDF (Aggregate Functions Quiz Answers PDF e-Book) download Ch. 15-75 to solve Database Systems Practice Tests. Learn Introduction to SQL MCQ Questions PDF, Aggregate Functions Multiple Choice Questions (MCQ Quiz) for computer science online programs. The Aggregate Functions Trivia App Download: Free learning app for database users and administrators, transformation of relational expressions, lock based protocols, indexing in dbms, aggregate functions test prep for computer and information science.
The Trivia MCQ: Aggregate functions are functions that take a set or multiset of values as input and return; "Aggregate Functions" App (iOS & Android) with answers: Multiple sets; Single value; Multiple attributes; A relation; for computer and information science. Study Introduction to SQL Questions and Answers, Apple Book to download free sample for bachelor's degree in computer science.
Aggregate Functions Quiz with Answers PDF Download: MCQs 75
Aggregate functions are functions that take a set or multiset of values as input and return
- Single value
- Multiple sets
- Multiple attributes
- A relation
The indexing technique should perform the types of access that are supported
- Efficiently
- Minimum
- Maximum
- Specifically
A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called
- Lock-point two-phase locking protocol
- Deadlock two-phase locking protocol
- Strict two-phase locking protocol
- Rigorous two-phase locking protocol
The operations of Natural-join are
- Commutative
- Associative
- Distributive
- Conjunctive
Ensuring enough free disk space availability for normal operations, are goals to be achieved by
- Database Manager
- Database system
- Database administrator
- Database users
Database Systems Exam Prep Tests
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- Secure Hash Algorithm 1 (SHA-l) has a message digest of
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Aggregate Functions Practice Tests
- After turning off automatic commit, transactions must be committed or rolled back explicitly using method
- Querying of unstructured textual data is referred to as
- Component that translates DML statements in a query language into an evaluation plan having low-level instructions, is referred as
- Tuples inserted must have correct number of
- Many database systems do not support