Sql Query : General Knowledge Questions & Answers
Question : Which data manipulation command is used to combines the records from one or more tables?
A.
SELECT
B.
PROJECT
C.
JOIN
D.
PRODUCT
Correct Answer is : Option C.
- Which of the following is not a valid SQL type?
- SQL permits attribute names to be repeated in the same relation. (True or False)
- Which operator is used to compare a value to a specified list of values?
- A SQL query automatically eliminates duplicates (True / False) ?
- The SQL used by front-end application programs to request data from the DBMS is called _______