how can I convert text column value to array like :
i have the values ” text1, text2, text3″
thanks in advance.
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Use REGEXP_SUBSTR to Extract desired info
REGEXP_SUBSTR( string, pattern [, start_position [, nth_appearance [, match_parameter [, sub_expression ] ] ] ] )
And CONNECT BY to loop over the string searching for the “,” and use it as a delimiter.
SELECT REGEXP_SUBSTR (‘text1, text2, text3’,
‘[^,]+’,
1,
LEVEL),LEVEL
FROM DUAL
CONNECT BY REGEXP_SUBSTR (‘text1, text2, text3’,
‘[^,]+’,
1,
LEVEL)
IS NOT NULL;