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Archive for 'Database'

A Simple PL/SQL Tokenizer

DECLARE   tokenString      VARCHAR2 (256) := ‘Jim,Jerry,Jordan’;   tokenLength      NUMBER := 0;   tokenDelimiter   VARCHAR2 (1) := ‘,’;   tokenChar        VARCHAR2 (1) := ”;   tokenIzed        VARCHAR (30) := ”;BEGIN   SELECT LENGTH (tokenString) INTO tokenLength FROM DUAL;
   FOR i IN 1 .. tokenLength   LOOP      SELECT SUBSTR (tokenString, i, 1) INTO tokenChar FROM DUAL;
      IF tokenChar = tokenDelimiter OR i = [...]