Current Affair Quiz Questions

Q11- Who among the following is the father of MySQL?
A) Charles BabbageB) Michael Wideneus
C) Allen JobsD) Madam Kama
Ans:-  Michael Wideneus
Q12- ________ is making copies of data, these additional copies may be used to restore the original after a data -loss event.
A) BackupB) DNS
C) EMSD) RAID
Ans:-  Backup
Q13- A file which has not been altered, compressed, or manipulated in any way by the computer is called?
A) Temp fileB) Raw file
C) Permanent fileD) None of the above
Ans:-  Raw file
Q14- In data mining, the slice operation performs a selection on _______
A) One dimensionB) Two dimension
C) Multi dimensionD) None of the above
Ans:-  One dimension
Q15- What type of graphical model is used to define a database?
A) Organizational modelB) E-R diagram
C) Programming modelD) Flowchart
Ans:-  E-R diagram
Q16- Oracle is a(n) _________.
A) RDBMSB) Hardware
C) System softwareD) High-level language
Ans:-  High-level language
Q17- Which of the following is not a database management software?
A) MySQL B) Oracle
C) SybaseD) COBOL
Ans:-  COBOL
Q18- Which operator is used to compare a value to a specified list of values?
A) INB) ANY
C) BETWEEND) ALL
Ans:-  IN
Q19- According to Boolean Law A(A+B)=?
A) ABB) 1
C) (1+AB)D) A
Ans:-  A
Q20- Which operator performs pattern matching ?
A) LIKE operator B) EXISTS operator
C) BETWEEN operatorD) None of the above
Ans:-  LIKE operator
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