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Submit the SQL Statements necessary to create your database according to the following guidelines:
Submit your SQL CREATE Statements as one text file, with a .sql extension.
What is database Trigger? A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigge
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
WHAT IS MEANT BY E-R MODEL
Define Aggregate functions and what aggregate functions supported by the MySQL To calculate a summary value from a set of individual values and uses one of the functions known
What is NULL? Simply NULL means not in value.
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
object oriented database
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
What are the factors to be taken into account when choosing a RAID level? A) Monetary cost of extra disk storage requirements. B) Performance requirements in terms of number
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