Contents

Who developed and launched SQL?
a) NASI

b) NASA               

c) ANSI 

d) ISNA

c

Explanation: ANSI stand for American National Standards Institute


What does DDL stand for?
a) data define language                    
b) data definition language
c) data dark language        

d) none of these

b

What does DML stand for?
a) data modifiable language            
b) data modern language
c) data manipulation language
d) none of these

c

Which of the following are features of SQL?
a) non-procedural language             
b) not case sensitive
c) English like language     

d) all of these

d

Which of the following symbol is used to select all columns of table?
a) #                        

b) *                        

c) &                       

d) %

b

How many types of relational operators?
a) four   

b) five   

c) six     

d) seven

c

Explanation: <, >, =, <=, >=,!=