user-defined-variables: Add note about SELECT...INTO <var> (#5268)

pingcap · Apr 19, 2021 · 3e1ac17 · 3e1ac17
1 parent 90469ea
commit 3e1ac17
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diff --git a/user-defined-variables.md b/user-defined-variables.md
@@ -179,4 +179,8 @@ SELECT @col FROM t;
 +------+
 ```
 
+## MySQL compatibility
+
+Except for `SELECT ... INTO <variable>`, the syntax supported in MySQL and TiDB is identical.
+
 For more information, see [User-Defined Variables in MySQL](https://dev.mysql.com/doc/refman/5.7/en/user-variables.html).