What is the difference between a primary key and a unique key?

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How do you update f as m and m as f from the below table testtable?

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Compare sql & pl/sql

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What is use of trigger?

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Which is faster subquery or join?

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Which are the most commonly used sql joins?

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what are the advantages of using stored procedures? : Sql dba

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Explain the uses of a database trigger?

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What is sql clause?

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How to find last day of the month in sql query

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What is a constraint? Tell me about its various levels.

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How many database objects (trigger, packages, sequence etc) uses a particular field in a given table. For ex: I want to know how many database object uses the ATTRIBUTE1 in the PO_VENDORS table. What query will give me the result showing the database object name(package, trigger etc), field_name used (in this case ATTRIBUTE1) and table_name (in this case PO_VENDORS).

2 Answers   IBM,

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