请问接触器分为哪几种如何用

页面:/news/view-2906353/ | 耗时:0.7385 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2906353 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2906353 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2906353 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1103497,1668852,177574,2582266,1088431,151082,1080943,1121040,1122905,319428,1498393,2903296,1131281,1110155,222786,141442,428818,1128051,305537,1110658,174706,2064837,1124963,259637,1070238,1118543,309309,1082936,2077816,401062) ORDER BY field (ArticleID,1103497,1668852,177574,2582266,1088431,151082,1080943,1121040,1122905,319428,1498393,2903296,1131281,1110155,222786,141442,428818,1128051,305537,1110658,174706,2064837,1124963,259637,1070238,1118543,309309,1082936,2077816,401062)