How to assign a table row to a record variable?
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How would you optimize a slow SQL query?
List the parts of a database trigger.
is there a tool to trace queries, like profiler for sql server?
HOW TO DISPLAY MAXIMUM SALARIES FROM EMP DEPARTMENT VISE ALONG WITH DEPARTMENT NAMES? E.g EMP,DEPT
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How to use subqueries with the in operator using oracle?
How to convert a date to char in oracle? Give one example.
List the types of joins used in writing subqueries?
what is the difference between substr and instr function in oracle?
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how to find count rows in table without count function?
Can cursor variables be stored in PL/SQL tables.If yes how. If not why?
I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?