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21-minutes-MySQL-basic-entry.md
@@ -407,10 +407,10 @@ OLD和NEW不区分大小写
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CREATE INDEX index_user ON user(title)
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-- –修改表结构的方式添加索引
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ALTER TABLE table_name ADD INDEX index_name ON (column(length))
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--- 给 user 表中的 name字段 添加普通索引(INDEX)
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-ALTER TABLE `table` ADD INDEX index_name (name)
+-- 给 user 表中的 name 字段 添加普通索引(INDEX)
+ALTER TABLE `user` ADD INDEX index_name (name)
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-- –创建表的时候同时创建索引
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-CREATE TABLE `table` (
+CREATE TABLE `user` (
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`id` int(11) NOT NULL AUTO_INCREMENT ,
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`title` char(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL ,
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`content` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL ,
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