What is trigger and how to use it in sql?
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How will you distinguish a global variable with a local variable in pl/sql?
How to avoid duplicate records in a query?
What are keys in sql?
Does sql*plus have a pl/sql engine?
Explain normalization and what are the advantages of it?
Hi all, i have a table as follows empid empname mgrid deptid 1 a 3 4 2 b 1 5 3 c 2 3 4 d 3 6 5 e 4 7 i want the output as empname mgrname a c b a c b d c e d
What do you understand by case manipulation functions?
Why truncate is faster than delete?
How to return multiple rows from the stored procedure?
What do you think about pl/sql?
1> how are u debugging in plsql ? 2> how to connect oracle database from unix. is there ne way other than using sqlplus ?
How do you explain an index?
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