difference between anonymous blocks and sub-programs.
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What does fetching a cursor do?
Delete the emps whose salaries are lowest sals of their own dept.
Can a composite key be null?
What is dense_rank?
1> how are u debugging in plsql ? 2> how to connect oracle database from unix. is there ne way other than using sqlplus ?
consider a table which contain 4 columns,ename,eno,sal and deptno, from this table i want to know ename who having maximum salary in deptno 10 and 20.
What are the possible values that can be stored in a boolean data field?
Can i use Commit inside the Trigger? Suppose i use commit what will be happy (it's complied /executed/work)
How is pl sql different from sql?
How do you write an inner join query?
how to get help information from the server? : Sql dba
What is java sql drivermanager?
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