What is the data in a database?
Write a query to remove duplicate rows from a table?
Explain all codd's rules for relational database system?
Explain issues for database performance.
What is data example?
What are the main functions of a database management system?
IF Statements BLOCK 1 . IF a >= b THEN do_this …..; ELSE do_that….; END IF BLOCK 2 . IF a < b THEN do_that …..; ELSE do_this….; END IF; • Given any pair of non-NULL values for “a” and”b”, will Block 1 and Block 2 do the same thing? • What if either “a” or”b” (or both) is NULL?
What is procedure in database?
Enlist the cursor types.
Explain Relational Algebra in RDBMS
What is data model in database?
Why normalisation is required?
What are the differences between drop, truncate and delete commands?
What is dbms with example?
What is delimiter in dbms?