What is before trigger?
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display null value rows with out using null function?
Does truncate table reset auto increment?
What is the difference between having clause and where clause?
What is the difference between join and natural join?
What is asqueryable?
Can we call dml statement in function?
Is hadoop a nosql?
how to calculate expressions with sql statements? : Sql dba
What are different joins used in sql?
How to process query result in pl/sql?
there are 2 variables called x and y ,x contains 1,2 and y contains 3,4 we have to swap the values from x to y and y to x with out using dummy variables and it can be done only by using a single statement ? how?
How to sort the rows in sql.
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