What is the purpose of a secondary key?
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What is latest version of sql?
Why do we need pl sql?
<<labele>> declare a=10 b=20, begin some statements declare a=30 c=40 end; what is the A value in nested block?
What normalization means?
Is pl sql better than sql?
table structure: ---------------- col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10 01-mar-2012 11:12:46 01-mar-2012 11:11:23 Write a query to display the result as shown below: col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10
Is time a data type in sql?
Can a table contain multiple foreign key’s?
How much does sql cost?
What does pl sql developer do?
Describe types of sql statements?
How do I count rows in sql query?
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