Answer Posted / aerwin

Tuple calculus is destructive as apposed to domain calculus. This means that in Tuple Calculus if you manipulate the data in a table all the information that is not needed is destroyed. In domain calculus this is no the case.

What are indexes in oracle?

1090

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Explain various types of locks in a transaction? Which is better and why?

1035

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can i use the commands "modify" and Change in DB2 to alter my column datatype and its name in a table?

2116

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List various types of log-based recovery in DBMS.

988

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How many indexes can be created on a table?

1154

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Is database a hardware or software?

999

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When should you not use firebase?

1067

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Source File: Target EMPNO, SAL Empno, Format 101, 1000 101, 1000 101, 1100 101, 1000, 1100 101, 1000 101, 1000, 1100, 1000 101, 10000 101, 1000, 1100, 1000, 10000 102, 1100 102, 1100 102, 1300 102, 1100, 1300 102, 1200 102, 1100, 1300, 1200 102, 1500 102, 1100, 1300, 1200, 1500 How can i get that output using datastage(ETL) tool

1844

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What is database server and how it works?

1044

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What are the various ways to execute a query in teradata?

2614

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There are three servers are run by Oracle, MS Access and .Net. What are the procedure fetching the values of two variables from two servers among these?

2163

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What is ole db provider for sql server?

1031

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Given a table of Player which contains Sno and player name, write a query which finds all possible Table Tennis doubles pairings.

1476

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please tell me the informatica telecom projects interview question? like if they ask about project explanation and the difficulties and the solutions taken to solve the issues for telecom projects,e.g i am workin for a vodafone project handlin postpaid section,pls tell me wat wud be the process if i work in this ? thanks

8500

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How many types of locks are present in a database?

1134

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