Give two examples of referential integrity constraints.
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Answer / monal
RELATIONSHIP BETWEEN CUSTOMERS AND ORDERS &
RELATIONSHIP BETWEEN ORDERS AND ORDERDETAILS
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Answer / kalyan maddipati
Emp and Dept tables is the good example fro referential integrity as DeptNo in Dept table refers DeptNO of Emp table.
ie. You have a PK(Primary key) on Deptno of Dept table and FK(Foreign key) on Deptno of EMP Table
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I got an error SQL1042C. An unexpected system error occurred. Explanation: A system error occurred. One possible reason for this error is that the database manager is not installed correctly or the environment is not set up correctly. On OS/2, while trying to start the database manager, a very common reason for this error is a corrupted NET.ACC file. The command cannot be processed. The tables and views would not be opened. What is the way to open the dataase? pls help me
Draft one mock email requesting your non-technical management grant you downtime to (provide justification where applicable) complete the following tasks: (1) Generate statistics on a large table; (2) Generate an RDA – if you don't know what an RDA is please say so. (3) Rename datafiles.
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