What is procedure and function in sql?
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Whate is use of MOD function in pl/sql.
Is there a way to automate sql execution from the command-line, batch job or shell script?
Does inner join return duplicate rows?
How do I run sql?
How do you modify a table in sql?
explain the delete statements in sql
What is consistency?
When sql appeared?
What is normalization sql?
what is the difference between primary key and unique key? : Sql dba
Is sql considered coding?
wirte a query to remove null? following table are col1 col2 col3 dinesh null null null suresh null null null prakesh i want the output like col1 col2 col3 dinesh suresh prkaesh