Is it possible to declare or create a cursor for update of table? If no tell me why?

983

What are the differences between hash join, merge join and nested loops?

949

What do you mean by entity type extension?

1007

Why are recursive relationships are bad? How do you resolve them?

1116

What are the disadvantages of file processing systems?

969

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?

2179

What is a database in computer?

892

Segregate database technology's development.

1494

Define fragmentation.

837

What is stored procedure in database?

901

How do you exit a database?

844

What is buffer manager?

881

What is record in a database?

809

What is data types in database?

909

Explain the term entity type in dbms?

962