translate pingcap/docs-cn#12845

sql-statements/sql-statement-drop-table.md

@@ -44,7 +44,14 @@ Query OK, 0 rows affected (0.22 sec)
 mysql> DROP TABLE table_not_exists;
 ERROR 1051 (42S02): Unknown table 'test.table_not_exists'
 mysql> DROP TABLE IF EXISTS table_not_exists;
-Query OK, 0 rows affected (0.01 sec)
+Query OK, 0 rows affected, 1 warning (0.01 sec)
+mysql> SHOW WARNINGS;
++-------+------+---------------------------------------+
+| Level | Code | Message                               |
++-------+------+---------------------------------------+
+| Note  | 1051 | Unknown table 'test.table_not_exists' |
++-------+------+---------------------------------------+
+1 row in set (0.01 sec)
 
 mysql> CREATE VIEW v1 AS SELECT 1;
 Query OK, 0 rows affected (0.10 sec)
@@ -55,8 +62,7 @@ Query OK, 0 rows affected (0.23 sec)
 
 ## MySQL compatibility
 
-* Dropping a table with `IF EXISTS` does not return a warning when attempting to drop a table that does not exist. [Issue #7867](https://github.com/pingcap/tidb/issues/7867)
-* Currently `RESTRICT` and `CASCADE` are only supported syntactically.
+Currently `RESTRICT` and `CASCADE` are only supported syntactically.
 
 ## See also