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Snippet Name: Date Calculations

Description: Returns a day that is a specified number of days in the future, skipping weekends.

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» FUNCTIONS: Deterministic
» FUNCTIONS: Nested Functions
» FUNCTIONS: IF statement
» FUNCTIONS: date/time
» FUNCTIONS: Sample functions
» FUNCTIONS: drop
» FUNCTIONS: Recompile
» FUNCTIONS: DEBUG mode
» FUNCTIONS: IN OUT parameter
» FUNCTIONS: with output parameters
» FUNCTIONS: with parameters
» FUNCTIONS: without parameters
» FUNCTIONS: Create function
» FUNCTIONS: special restrictions
» FUNCTIONS: System Privileges
» Recursive fopen() function
» INDEXES: ENABLE (function-based index)
» INDEXES: DISABLE (function-based index)
» PACKAGES: one function
» INDEXES: Function-Based Index
» IN Function
» Built-In Functions: CASE
» Built-In Functions: DECODE
» Alternate Title Case function
» SELECT: Using Functions
» UPDATE: Update a partitioned table
» UPDATE: Update based on a record

Comment: (none)

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 03rd, 2009

CREATE OR REPLACE FUNCTION business_date (start_date DATE,
 
Days2Add NUMBER) RETURN DATE IS
 Counter  NATURAL := 0;
 CurDate  DATE := start_date;
 DayNum   POSITIVE;
 SkipCntr NATURAL := 0;
BEGIN
  WHILE Counter < Days2Add LOOP
    CurDate := CurDate+1;
    DayNum := TO_CHAR(CurDate, 'D');
 
    IF DayNum BETWEEN 2 AND 6 THEN
      Counter := Counter + 1;
    ELSE
      SkipCntr := SkipCntr + 1;
    END IF;
  END LOOP;
  RETURN start_date + Counter + SkipCntr;
END business_date;
/


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