What is type and rowtype in pl sql?
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What is file based approach?
Why do we use subquery?
How do I find duplicates in two columns?
How many types of relationship are there?
How do I enable sql encryption?
Are stored procedures compiled?
If the application is running very slow? At what points you need to go about the database in order to improve the performance?
what are Dynamic SQL statements?
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.
Do we need to create index on primary key?
what is constraining table?
how do you count the duplicate records in a table