what is commit? : Sql dba


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how to debugg a procedure or package using dbms_output.put_line in plsql

1 Answers   Polaris,


1. how to use the check option constraints in sql query..? 2.how to add data in a complex query ? 3.is it possible to use commit or rollback or savepoint in triggers...if not why please explain with examples...? 4.what is the difference between meterialized view and normal view..how to create materialized view and how to use it..? 5.what is varray...? what is the advantage of the varray ? please expalin with a simpel example..i want to load into a table (student no and name and his marks..) please give example.. 6.what are the bulk bind exceptions...how to use bulk bind and how to use bulk collect..please explain with example... 7.what is for update of and where current of ...? 8 what is the use of nowait ? 9.please give an example for nocopy in a simple plsql query 10.create an index in a table...tellme how to use the index in a where clause to do performance tunning...

3 Answers   Satyam,


What is the clause we need to add in function body to return variable?

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What are different joins used in sql?

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What are the possible values that can be stored in a boolean data field?

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When can we use the where clause and the having clause?

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What does trigger mean in psychology?

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Which is faster subquery or join?

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What is rename in sql?

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what is the Default Libraries for Oracle Report 6i

0 Answers   IBM,


How do you remove duplicates without using distinct in sql?

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