What are triggers in oracle?
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How index is implemented in oracle database?
What are the Characteristics of Data Files ?
What is a select query statement in oracle?
What is not equal to in oracle?
What is the sql query to concatenate column values from multiple rows in oracle?
What is STATSPACK tool?
What happens if the update subquery returns multiple rows?
What do you mean by group by clause?
What is bulk copy or bcp in oracle?
Difference between pre-select and pre-query
How different is ms access and oracle?
2. Display the post code and the total number of purchase orders placed with creditors in that post code.