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Order by clause
Example:
SELECT EMPNO, ENAME, SAL*12 "ANNUAL" FROM EMP
ORDER BY ANNUAL;
Example: //Sorting by multiple columns//; ascending order on department number and descending order of salary in each department.
SELECT ENAME, DEPTNO, SAL FROM EMP
ORDER BY DEPTNO, SAL DESC;
explain cascading rollback
What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
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Explain three main attributes of data.
a set of possible data value of an attribute is called??
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest level of abs
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