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Z(p db2gse.ST_Point)
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´ÙÀ½ÀÇ CREATE TABLE¹®Àº ÇàÀ» °íÀ¯ÇÏ°Ô ³ªÅ¸³»´Â GID Ä÷³°ú PT1 Á¡ Ä÷³ÀÌ ÀÖ´Â Z_TEST Å×À̺íÀ» ÀÛ¼ºÇÕ´Ï´Ù.
CREATE TABLE Z_TEST (gid integer, pt1 db2gse.ST_Point)
´ÙÀ½ÀÇ INSERT¹®Àº µÎ ÇàÀ» »ðÀÔÇÕ´Ï´Ù. Çϳª´Â Z ÁÂÇ¥³ª Ä¡¼ö°¡ ¾ø´Â Á¡À̰í, ´Ù¸¥ Ä÷³¿¡´Â Z ÁÂÇ¥¿Í Ä¡¼ö µÑ ¸ðµÎ ÀÖ½À´Ï´Ù.
INSERT INTO Z_TEST VALUES(1, db2gse.ST_PointFromText('point (10.02 20.01)', db2gse.coordref()..srid(0))) INSERT INTO Z_TEST VALUES(2, db2gse.ST_PointFromText('point zm (10.02 20.01 5.0 7.0)', db2gse.coordref()..srid(0)))
´ÙÀ½ÀÇ SELECT¹® ¹× ÇØ´ç °á°ú ¼¼Æ®¿¡¼´Â GID Ä÷³ ¹× Á¡ÀÇ ¹èÁ¤¹Ðµµ Z ÁÂÇ¥¸¦ ³ª¿ÇÕ´Ï´Ù. ù¹øÂ° ÇàÀº Á¡¿¡ Z ÁÂÇ¥°¡ ¾øÀ¸¹Ç·Î NULLÀÔ´Ï´Ù.
SELECT gid, db2gse.Z(pt1) "The Z coordinate" FROM Z_TEST GID The Z coordinate ----------- ------------------------ 1 - 2 +5.00000000000000E+000 2 record(s) selected.