A report generator is used to
A. | Update files. |
B. | Print files on paper |
C. | Data entry. |
D. | Delete files. |
Option: B Explanation : Click on Discuss to view users comments. John Doe said: (5:50am on Wednesday 17th January 2018)
The report generator takes the data from databases and gives you in the document format.
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The property / properties of a database is / are :
A. | It is an integrated collection of logically related records. |
B. | It consolidates separate files into a common pool of data records. |
C. | Data stored in a database is independent of the application programs using it |
D. | All of the above |
Option: D Explanation : Click on Discuss to view users comments. |
A relational database developer refers to a record as
A. | A criteria. |
B. | A relation. |
C. | A tuple. |
D. | An attribute. |
Option: C Explanation : Click on Discuss to view users comments. |
The relational model feature is that there
A. | Is no need for primary key data |
B. | Is much more data independence than some other database models |
C. | Are explicit relationships among records |
D. | Are tables with many dimensions |
Option: B Explanation : In relational model data is stored in tables and if we talk about data independence it is one of the major feature of DBMS which holds in all DBMS models. Click on Discuss to view users comments. |
Conceptual design
A. | Is a documentation technique. |
B. | Needs data volume and processing frequencies to determine the size of the database. |
C. | Involves modelling independent of the DBMS |
D. | Is designing the relational model. |
Option: C Explanation : Click on Discuss to view users comments. kamesh saini said: (3:46pm on Thursday 16th July 2015)
what is Modelling independent?
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