what is the boundary line in varrays?
Is it possible to create the following trigger: before or after update trigger for each row?
Why are cursors used?
When to use inner join and left join?
What is different between union and minus?
What is a full join?
Explain ddl statements in pl/sql?
What is transaction control language (tcl)?
what are the different index configurations a table can have? : Sql dba
Enlist the advantages of sql.
select 1,col1,col2 from table1. output?
why we use nocopy?
What are the return values of functions SQLCODE and SQLERRM ?
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