Sql Query : General Knowledge Questions & Answers
Question : The COUNT function in SQL returns the number of ______________
A.
Values
B.
Distinct values
C.
Group By
D.
Columns
Correct Answer is : Option A.
- Which data type can store unstructured data in a column?
- A SQL query will not work if there are no indexes on the relations - Is it true ?
- Which function is used to divides one numeric expression by another and get the remainder ?
- What is the full form of DDL ?
- A database language used for defining the whole database structure and schema is called :