教你怎样在MySQL中提高全文搜索效率
2007-02-14 10:54:59 来源：WEB开发网 闂傚倸鍊搁崐鎼佸磹閹间礁纾归柟闂寸绾剧懓顪冪€ｎ亜顒㈡い鎰Г閹便劌顫滈崱妤€骞婄紓鍌氬€瑰銊╁箟缁嬫鍚嬮柛顐線缂冩洟姊婚崒娆戭槮婵犫偓闁秵鎯為幖娣妼缁愭鏌″搴′簽濞戞挸绉甸妵鍕冀椤愵澀娌梺缁樻尪閸庣敻寮婚敐澶婂嵆闁绘劖绁撮崑鎾诲捶椤撴稑浜炬慨妯煎亾鐎氾拷
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核心提示： mysql> SELECT * FROM reviews;+++| id | data |+++|1 | Gingerboy has a new single out called ...||2 | Hello all, I really like the new Madon ...
mysql> SELECT * FROM reviews;
+----+--------------------------------------------+
| id | data |
+----+--------------------------------------------+
| 1 | Gingerboy has a new single out called ... |
| 2 | Hello all, I really like the new Madon ... |
| 3 | Have you heard the new band Hotter Than... |
+----+--------------------------------------------+
3 rows in set (0.00 sec)2、定义全文搜索字段
接下来，定义您要作为全文搜索索引的字段:
mysql> ALTER TABLE reviews ADD FULLTEXT INDEX (data);
Query OK, 3 rows affected (0.21 sec)
Records: 3 Duplicates: 0 Warnings: 0使用SHOW INDEXES命令来检查索引已经被添加了：
mysql> SHOW INDEXES FROM reviews;
+---------+---------------+--------+------+------------+---------+
| Table | Column_name | Packed | Null | Index_type | Comment |
----------+---------------+--------+------+------------+---------+
| reviews | id | NULL | | BTREE | |
| reviews | data | NULL | YES | FULLTEXT | |
+---------+---------------+--------+------+------------+---------+
2 rows in set (0.01 sec)| 2 |
+----+
2 rows in set (0.00 sec)
中查找“教你怎样在MySQL中提高全文搜索效率”更多相关内容
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