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Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table
EMPNO
ENAME
MGRID
.....
1
Nirmal
4
2
Kailash
3
Veena
Boss
NULL
...
Example: Search the name of each employee's manager name.
SELECT WORKER.ENAME || 'WORK FOR' || MANAGER.ENAME FROM EMP WORKER, EMP MANAGER
WHERE WORKER.MGR=MANAGER.EMPNO;
Output:
What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.
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what are the type of the database
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I want Database Of United Kingdom with Criteria of:\r\n\r\n1). Name, Number, City, State, Postal Code, Address, Email id, DOB.\r\n\r\n2). Unsecure Debts only adds Credit Card Payme
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