How can we optimize a sql query?
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What is keys and its types?
How many developers work on postgresql?
Is hadoop a nosql?
Difference between table function and pipelined function?
what is primary key? : Sql dba
How to come back in normal stage in Mutating Table if mutating table is locked or update data?
What is posting?
What is Highwatermark?
How many joins in sql?
explain about mysql and its features. : Sql dba
What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?
can we write stored function in out parameters? how to call through select statement? how to written more than one value plz give the exmple?
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