MCQS Database Systems- for educator job IT – Set 8

MCQS Database Systems- for educator job IT – Set 8

Multiple Choice Questions

Set 8

• What is the compassion operator in the  SQL

1. ==
2. +
3. ++
4. AND or OR
   Answer - Click Here:

   1

• In which type of operator Venn diagram are possible to be used____

1. Relation operator
2. Comparison operator
3. Xor or AND operator
4. Boolean
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   1

• What is possible output of the query SELECT PRODUCT FROM PRODUCT WHERE STANDARD PRICE>199 AND STANDARD_PRICE<301_______

1. Coffee table 980 , computer desk 350
2. Coffee table 400 , computer desk 150
3. Coffee table 900 , computer desk 250
4. Coffee table 200 , computer desk 250
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   4

• Which type of table are not possible to maintain____

1. Virtual table
2. Real data
3. Real table
4. Virtual data
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   1

• The single value returned by the previous aggregate function is called______

1. Vector aggregate
2. Query aggregate
3. Scalar aggregate
4. Qualifier aggregate
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   3

• What is the purpose of the primary key_____

1. To show uniqueness of the row/column
2. To show same things of the row/column
3. To show contract between and same attributes.
4. Both a and b
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   4

• Application moved from machine to machine when each machine uses SQL

1. Application portability
2. Application longevity
3. Application productivity
4. Application reduced training cost
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   1

• Different DBMS and application programs can more easily communicate and cooprate in managing data and processing user programs are called___

1. Reduced dependence
2. Cross system communication
3. Productivity
4. Professionalism
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   1

• A large pool of IS professional trained in a common language reduce retraining when hiring new employs ______

1. Reduced training cost
2. Productivity
3. Longevity
4. System communication
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   1

• What is FIPS stand for______

1. Fundamental information processing standard
2. Fetch information processing standard
3. Federal information processing standard
4. French information processing standard
   Answer - Click Here:

   3

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