Free MCQsLearn App Download - SQL Data Definition and Types Questions and Answers PDF Download eBook
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"If the concatenation operator is applied to two strings such as [ 'ABCD' || 'wxyz' ] then the resultant string will be", sql data definition and types Multiple Choice Questions (MCQ) with choices wxyzabcd, awbxcydz, abcdwxyz, and abcd+wxyz to learn online certification courses. Learn schema definition, constraints, queries and views questions and answers with free online certification courses for online college classes.
Quiz on SQL Data Definition & Types PDF Download eBook
MCQ: If the concatenation operator is applied to two strings such as [ 'ABCD' || 'wxyz' ] then the resultant string will be
- AwBxCyDz
- wxyzABCD
- ABCDwxyz
- ABCD+wxyz
C
MCQ: The strategy in which few high level entity types splitted into low level entity types is classified as
- top down strategy
- bottom up strategy
- inside out strategy
- mixed strategy
A
MCQ: The temporary unordered file is also called
- overflow file
- heap file
- sequential file
- spanned file
A
MCQ: The representation of the queries in the form of data structure graph is classified as
- scanner tree
- parser tree
- query graph
- query tree
C
MCQ: In high level programs, the command which is used to copy the current record from buffer to variable of user program is classified as
- read command
- find next command
- modify command
- insert command
A