SQL Data Definition Practice Test PDF Download eBook p. 204
Learn Sql data definition mock test for exam, sql data definition MCQ with answers pdf to solve data science test 204 for online job interview. Practice Introduction to SQL Trivia Questions and answers, sql data definition Multiple Choice Questions (MCQ) for online DBMS, DBA. Free sql data definition MCQs, database transactions, introduction to dbms, java database connectivity (jdbc), algebra operations in dbms, sql data definition test prep for master's degree in computer science.
"A null value indicates an absent value that", sql data definition Multiple Choice Questions (MCQ) with choices known but doesn't exist, may exist but unknown, doesn't exist and not known, and both a and b for online SQL certification courses. Learn introduction to sql questions and answers with free online certification courses for BSc computer science.
Trivia Quiz on SQL Data Definition PDF Download eBook
MCQ: A null value indicates an absent value that
- may exist but unknown
- known but doesn't exist
- doesn't exist and not known
- Both A and B
D
MCQ: The operations with the ability to express queries that cannot be expressed by the basic relational-algebra operations, is known as
- Compound relational-algebra
- Composite relational-algebra
- Embedded relational-algebra
- Extended relational-algebra
D
MCQ: The ResultSetMetaData object contains metadata about the
- data set
- input set
- result set
- meta data
C
MCQ: A database can be regarded as a kind of
- Electronic file handling
- Electronic filing management
- Electronic filing storage
- Electronic filing cabinet
D
MCQ: In the case of power outage or other system crash, the rollback occurs when the
- System starts
- System boosts
- System restarts
- System shuts down
C