What is sql trigger example?
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Can a trigger call a stored procedure?
What is difference between sql function and stored procedure?
Let us suppose we have a table with structure in order empno empname empdesig empcountry and now i want to re-organize the columns of this table to empno empdesig empname empcountry how can i do this with queries ? assume that table contains the data.
Explain UNION,MINUS,UNION ALL, INTERSECT?
What is replication id?
What is schema in 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?
What is the use of %rowtype?
Mention what does the hierarchical profiler does?
Why procedure is used in sql?
What is lookup table in sql?
Can we connect to postgresql using sql developer?
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