Does normalization improve performance?
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What is a primary key called that is made up of more than one field?
What are character functions in sql?
What are the disadvantages of not performing database normalization?
i hv 30 rows with date.ex:1month hav 4 weeks i want 1st day of the every week.write the qry for that.example jan has 4 weeks i need 1st dd for evry wk
What do you understand by pl/sql packages?
Which is better join or subquery?
What is posting?
I have a tablle like this. cust acc --------------- a 1 b 2|3 c 4|5|6 I Want below o/p: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 Please any one can you have any ideas share me. I have urgent requirement.
What are the different ways to optimize a sql query?
GLOBAL TEMPORARY TABLE over Views in advantages insolving mutating error?
What are the key differences between SQL and PL SQL?
Why do we need pl sql?
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