Page 44 - C++

Ans:

-

(½ mark for opening the file in correct mode)
(½ mark for try.. except EOFError)
(½ mark for while loop)
(½ mark for using pickle.load() correctly)
(½ mark for comparison using if)
(½ mark for displaying)

SECTION – C

Q5 (a) Differentiate between DDL & DMLcommands. Identify DDL & DML commands from 2
the following:-

(UPDATE, SELECT, ALTER, DROP)

Ans DDL stands for Data Definition language and comprises of commands which will
change the structure of database object.

DML stands for Data Manipulation Language and comprises of commands which
are used to insert, edit, view & delete the data stored in a database object.

DDL Commands: ALTER, DROP
DML Commands: UPDATE, SELECT

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