From e1f55bf1d4ba71ce9df3d6621ecba8fcbfc24ee9 Mon Sep 17 00:00:00 2001 From: jaywcjlove Date: Wed, 16 Nov 2022 04:58:18 +0000 Subject: [PATCH] doc: mysql.md modify column (#98) d8a37d084f04720209569bab3e2003101d0fdc5c --- CONTRIBUTORS.svg | 36 ++++++++++++++++++++++-------------- docs/mysql.html | 3 +++ 2 files changed, 25 insertions(+), 14 deletions(-) diff --git a/CONTRIBUTORS.svg b/CONTRIBUTORS.svg index 055a8a40..f79ecb72 100644 --- a/CONTRIBUTORS.svg +++ b/CONTRIBUTORS.svg @@ -12,33 +12,41 @@ + + - + - + - + - + - + - + - + - + - + + + - + - + - + + + + + - + - + \ No newline at end of file diff --git a/docs/mysql.html b/docs/mysql.html index f5293766..ccbc7855 100644 --- a/docs/mysql.html +++ b/docs/mysql.html @@ -212,6 +212,9 @@

将列c1重命名为c2

ALTER TABLE t1 RENAME c1 TO c2 ;
+

将列c1的数据类型改为datatype

+
ALTER TABLE t1 MODIFY c1 datatype;
+

删除表中的所有数据

TRUNCATE TABLE t;