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Give the forms of triggers?
The triggering event can be insert or delete.
For updated the trigger can state columns.
The referencing old row as clause
The referencing new row as clause
The triggers can be initiated before the event or after the event.
Why, generally does an object-oriented system use the relational DBMS? The reasons for using relational DBMS for OO systems could be any combination of following: a. Many or
Write a query that display ename annual salary and comm from emp table
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need to get answer for questions 3&4 on this page in part 1
Why is need for the multiple access paths?
A buyer for a large department store chain must place orders with an athletic shoe manufacturer six months prior to the time the shoes will be sold in the department stores. In par
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
what is primary key
The Database MySQL scripts cars_for_sale.sql and car_details.sql containing the data to use for this task have been supplied. To complete this task, you need to first create
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