What is thread join () in threading?
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If a cursor is open, how can we find in a pl/sql block?
Does indexing improve query performance?
sales persons should always receive commission of 100 at least. employees who r not sales persons should never receive commission.(Triggers)
What is sqlerrm?
What are data types in pl sql?
how to delete an existing column in a table? : Sql dba
What does dml mean?
When do we create bitmap indexes
What is dense_rank in sql?
How do rank () and dense_rank () differ?
Mention what is the use of function "module procedure" in pl/sql?
what is meant by forward declaration in functions?