What are dml commands?
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What are user defined functions?
write a pl/sql function if enter a value=0 then output value=1 and vise verse with out using if and case statements.
what is a constraint? Tell me about its various levels. : Sql dba
What is Histogram?
What is the difference between local variables and global variables?
What is pl sql record in oracle?
What is the purpose of design view?
Which kind of parameters cannot have a default value in pl sql?
What is sap sql anywhere?
How to pipe multiline string to isql?
Which tcp/ip port does sql server run?
i have a table eno dno sal 1 10 200 2 10 150 3 10 100 4 20 75 5 20 100 i want to get sal which is less than the avg sal of thri dept. eno dno sal 2 10 150 3 10 100 4 20 75
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