What do you understand by e-r model?
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What are the steps to follow when preparing to create a table?
What built in subprogram is used to manipulate images in image items ?
Who is communication horizons?
The use of LAST_VALUE() AND FIRST_VALUE() with an example
What is the use of PARFILE option in EXP command ?
What do you mean by Correlated subquery in database?
Explain the Logical Schema of Database
How can we tune a oracle database if log file sync issue comes
When the SYSTEM TABLESPACE can be made off-line ?
What is 1nf?
WHAT IS INDEXING?
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?
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