달력

092017  이전 다음

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[원문] http://psoug.org/reference/undocumented.html


CREATE TABLE t (
col1 VARCHAR2(5),
col2 VARCHAR2(20));

INSERT INTO t VALUES (111, 'This');
INSERT INTO t VALUES (111, 'is');
INSERT INTO t VALUES (111, 'a');
INSERT INTO t VALUES (111, 'test');
INSERT INTO t VALUES (222, 'This is not');

SELECT * FROM t;

col concat format a40

SELECT col1, wmsys.wm_concat(col2) CONCAT
FROM t
GROUP BY col1;

SELECT col1, TRANSLATE(wmsys.wm_concat(col2), 'A,', 'A ') CONCAT
FROM t

GROUP BY col1; 


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Posted by Tornado tornado