Answer / swapna

FWD declarations in package - the package has definition
and a body for procedures and funcs. a fwd declaration is
cosists simply of the program header, followed semicolon.
this header is declared in advance of the actual program
defination and the program is available for use even before
its definition.

What are packages in pl sql and also explain its advantages?

0 Answers  

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what is sql and plsql

6 Answers  

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What is sql query limit?

0 Answers  

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ERROR:Insert or update on table"accnt" violates foreign key constraints "acct_to_curr_symbol" DETAILS:KEY(accnt_curr_id)(-2)is not present in the table "curr_symbol" ......solve The Problem..

0 Answers   Wipro,

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What does cursor do in sql?

0 Answers  

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What is the main reason behind using an index?

0 Answers  

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What is composite primary key in sql?

0 Answers  

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if a table is getting updated what happens if a function is called from sql query?

2 Answers   RBS,

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how to do backup entire database? : Transact sql

0 Answers  

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Is clustered index a primary key?

0 Answers  

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What is normalization ?

9 Answers   BirlaSoft, CTS, HCL,

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What is intersect?

1 Answers  

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