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union 代替or的情况

1860 | 35340 | | 55 (0)| 00:00:01 | |* 7 | INDEX RANGE SCAN | IDX4 | 1860 | | | 5 (0)| 00:00:01 | | 8 | TABLE A
czcb 2014-02-25 浏览(7)
http://www.cnblogs.com/zhaoyangjian724/p/3797922.html

MSSQL 版本全国地名数据库

ALUES ('35340', '瓦岗镇', '540'); INSERT INTO area VALUES ('35341', '蚁蜂镇', '540'); INSERT INTO area VALUES ('35342', '竹沟镇', '540'); INSERT INTO area VALUES ('35343
拂髯客 2017-04-04 浏览(3)
http://www.cnblogs.com/Frank99/p/6664322.html

MySQL 版本全国地名数据库 ---- 转自网络

ALUES ('35340', '瓦岗镇', '540'); INSERT INTO `area` VALUES ('35341', '蚁蜂镇', '540'); INSERT INTO `area` VALUES ('35342', '竹沟镇', '540'); INSERT INTO `area` VALUES (
拂髯客 2017-04-04 浏览(1)
http://www.cnblogs.com/Frank99/p/6664326.html