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 D2K  |  Question 44 of 47    Print  
What is a lexical parameter in reports 6i

  
Total Answers and Comments: 2 Last Update: June 04, 2008     Asked by: kishore 
  
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 Best Rated Answer
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Submitted by: poonamyadav
 
Lexical Parameter is denoted by a symbol &(Amphersend) and is used in WHERE_CLAUSE.
with the help of this parameter we can pass strings.

Above answer was rated as good by the following members:
Babaiah
May 31, 2008 02:22:04   #1  
poonamyadav Member Since: May 2008   Contribution: 1    
RE: What is a lexical parameter in reports 6i
Lexical Parameter is denoted by a symbol &(Amphersend) and is used in WHERE_CLAUSE.
with the help of this parameter we can pass strings.
 
Is this answer useful? Yes | NoAnswer is useful 1   Answer is not useful 0Overall Rating: +1    
June 04, 2008 06:50:37   #2  
mailsudhirn Member Since: June 2008   Contribution: 1    
RE: What is a lexical parameter in reports 6i
Lexical parameters are used to substitute multiple values at runtime. It can be used in FROM TABLE NAME and in WHERE clause. Usually the lexical parameters are defined in After Parameter Report or in Before Report.  For example:

IF :P_DATE_FROM IS NOT NULL AND :P_DATE_TO IS NOT NULL THEN
      :P_DATE := 'AND  trunc(ccchv.transaction_costed_date) BETWEEN :P_DATE_FROM AND :P_DATE_TO';
ELSE IF
      :P_DATE_FROM IS NOT NULL AND :P_DATE_TO IS NULL THEN
      :P_DATE := 'AND  trunc(ccchv.transaction_costed_date) BETWEEN :P_DATE_FROM AND SYSDATE';
ELSE
      :P_DATE := 'AND 1=1';
END IF;
 
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