From 21c1b8a964fbeeedfecc74c85370290528f2c19e Mon Sep 17 00:00:00 2001
From: Feng Liyuan <darktemplar.f@gmail.com>
Date: Mon, 25 May 2020 19:36:16 +0800
Subject: [PATCH 1/3] sql-statements:add drop-stats.md

---
 sql-statements/sql-statement-drop-stats.md | 23 ++++++++++++++++++++++
 statistics.md                              |  4 ++++
 2 files changed, 27 insertions(+)
 create mode 100644 sql-statements/sql-statement-drop-stats.md

diff --git a/sql-statements/sql-statement-drop-stats.md b/sql-statements/sql-statement-drop-stats.md
new file mode 100644
index 000000000000..fe839d022876
--- /dev/null
+++ b/sql-statements/sql-statement-drop-stats.md
@@ -0,0 +1,23 @@
+---
+title: DROP STATS
+summary: TiDB 数据库中 DROP STATS 的使用概况。
+category: reference
+---
+
+# DROP STATS
+
+`DROP STATS` 语句用于从当前所选定的数据库中删除选定表的统计信息。
+
+## 语法图
+
+**DropStatsStmt:**
+
+![DropTableStmt](/media/sqlgram/DropStatsStmt.png)
+
+**TableName:**
+
+![TableName](/media/sqlgram/TableName.png)
+
+## 另请参阅
+
+* [统计信息简介](/statistics.md)
\ No newline at end of file
diff --git a/statistics.md b/statistics.md
index 3c546cc178ab..0da13842371c 100644
--- a/statistics.md
+++ b/statistics.md
@@ -339,3 +339,7 @@ LOAD STATS 'file_name';
 ```
 
 `file_name` 为要导入的统计信息的文件名。
+
+## 另请参阅
+
+* [DROP STATS](/sql-statements/sql-statement-drop-stats.md)

From b0ac8eb71620320ac465616c903301b2af533f52 Mon Sep 17 00:00:00 2001
From: Feng Liyuan <darktemplar.f@gmail.com>
Date: Mon, 25 May 2020 20:37:25 +0800
Subject: [PATCH 2/3] address comment

---
 TOC.md                                     |  1 +
 sql-statements/sql-statement-drop-stats.md | 49 +++++++++++++++++++++-
 2 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/TOC.md b/TOC.md
index 85c22efa3ebe..dca2608d63b4 100644
--- a/TOC.md
+++ b/TOC.md
@@ -266,6 +266,7 @@
       - [`DROP DATABASE`](/sql-statements/sql-statement-drop-database.md)
       - [`DROP INDEX`](/sql-statements/sql-statement-drop-index.md)
       - [`DROP SEQUENCE`](/sql-statements/sql-statement-drop-sequence.md)
+      - [`DROP STATS`](/sql-statements/sql-statement-drop-stats.md)
       - [`DROP TABLE`](/sql-statements/sql-statement-drop-table.md)
       - [`DROP USER`](/sql-statements/sql-statement-drop-user.md)
       - [`DROP VIEW`](/sql-statements/sql-statement-drop-view.md)
diff --git a/sql-statements/sql-statement-drop-stats.md b/sql-statements/sql-statement-drop-stats.md
index fe839d022876..fc4c4a0ec533 100644
--- a/sql-statements/sql-statement-drop-stats.md
+++ b/sql-statements/sql-statement-drop-stats.md
@@ -18,6 +18,53 @@ category: reference
 
 ![TableName](/media/sqlgram/TableName.png)
 
+## 示例
+
+{{< copyable "sql" >}}
+
+```sql
+> CREATE TABLE t(a INT);
+```
+
+```
+Query OK, 0 rows affected (0.01 sec)
+```
+
+{{< copyable "sql" >}}
+
+```sql
+> SHOW STATS_META WHERE db_name='test' and table_name='t';
+```
+
+```
++---------+------------+----------------+---------------------+--------------+-----------+
+| Db_name | Table_name | Partition_name | Update_time         | Modify_count | Row_count |
++---------+------------+----------------+---------------------+--------------+-----------+
+| test    | t          |                | 2020-05-25 20:34:33 |            0 |         0 |
++---------+------------+----------------+---------------------+--------------+-----------+
+1 row in set (0.00 sec)
+```
+
+{{< copyable "sql" >}}
+
+```sql
+> DROP STATS t;
+```
+
+```
+Query OK, 0 rows affected (0.00 sec)
+```
+
+{{< copyable "sql" >}}
+
+```sql
+> SHOW STATS_META WHERE db_name='test' and table_name='t';
+```
+
+```
+Empty set (0.00 sec)
+```
+
 ## 另请参阅
 
-* [统计信息简介](/statistics.md)
\ No newline at end of file
+* [统计信息简介](/statistics.md)

From 8a0233bbcc0917f9ca92a497fca7804fc954d90f Mon Sep 17 00:00:00 2001
From: TomShawn <41534398+TomShawn@users.noreply.github.com>
Date: Mon, 25 May 2020 20:49:38 +0800
Subject: [PATCH 3/3] Apply suggestions from code review

---
 sql-statements/sql-statement-drop-stats.md | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/sql-statements/sql-statement-drop-stats.md b/sql-statements/sql-statement-drop-stats.md
index fc4c4a0ec533..9b5783a4de0d 100644
--- a/sql-statements/sql-statement-drop-stats.md
+++ b/sql-statements/sql-statement-drop-stats.md
@@ -23,20 +23,20 @@ category: reference
 {{< copyable "sql" >}}
 
 ```sql
-> CREATE TABLE t(a INT);
+CREATE TABLE t(a INT);
 ```
 
-```
+```sql
 Query OK, 0 rows affected (0.01 sec)
 ```
 
 {{< copyable "sql" >}}
 
 ```sql
-> SHOW STATS_META WHERE db_name='test' and table_name='t';
+SHOW STATS_META WHERE db_name='test' and table_name='t';
 ```
 
-```
+```sql
 +---------+------------+----------------+---------------------+--------------+-----------+
 | Db_name | Table_name | Partition_name | Update_time         | Modify_count | Row_count |
 +---------+------------+----------------+---------------------+--------------+-----------+
@@ -48,20 +48,20 @@ Query OK, 0 rows affected (0.01 sec)
 {{< copyable "sql" >}}
 
 ```sql
-> DROP STATS t;
+DROP STATS t;
 ```
 
-```
+```sql
 Query OK, 0 rows affected (0.00 sec)
 ```
 
 {{< copyable "sql" >}}
 
 ```sql
-> SHOW STATS_META WHERE db_name='test' and table_name='t';
+SHOW STATS_META WHERE db_name='test' and table_name='t';
 ```
 
-```
+```sql
 Empty set (0.00 sec)
 ```