From 253773b51ec46dd37f375313aa1da86ce2676a47 Mon Sep 17 00:00:00 2001
From: prinz <43231571+lacrimosaprinz@users.noreply.github.com>
Date: Mon, 18 Jul 2022 09:45:34 +0800
Subject: [PATCH] =?UTF-8?q?tanslate=20installMO/ssb-test/mysql-compatibili?=
 =?UTF-8?q?ty/create-database/prima=E2=80=A6=20(#4042)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Tutorial/NYC-test-with-matrixone.md       | 215 ------------------
 .../Tutorial/SSB-test-with-matrixone.md       |  16 +-
 .../install-standalone-matrixone.md           |  21 +-
 .../Overview/NYC-Test-Performance.md          |  38 ----
 .../Overview/SSB-Test-Performance.md          |  81 -------
 .../MatrixOne/Overview/mysql-compatibility.md |   2 +-
 .../create-database.md                        |   5 +-
 .../create-index.md                           |  23 --
 .../Data-Definition-Statements/drop-index.md  |  18 --
 .../Data-Definition-Statements/primary-key.md |  17 +-
 .../Data-Manipulation-Statements/insert.md    |   4 +
 .../Data-Manipulation-Statements/load-data.md |  13 +-
 .../cast-functions-and-operators/cast.md      |   2 +
 .../Data-Manipulation-Statements/select.md    |  89 ++------
 .../MatrixOne/Overview/mysql-compatibility.md |   6 +-
 .../create-database.md                        |   3 +-
 16 files changed, 65 insertions(+), 488 deletions(-)
 delete mode 100644 docs/cn/MatrixOne/Get-Started/Tutorial/NYC-test-with-matrixone.md
 delete mode 100644 docs/cn/MatrixOne/Overview/NYC-Test-Performance.md
 delete mode 100644 docs/cn/MatrixOne/Overview/SSB-Test-Performance.md
 delete mode 100644 docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-index.md
 delete mode 100644 docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/drop-index.md

diff --git a/docs/cn/MatrixOne/Get-Started/Tutorial/NYC-test-with-matrixone.md b/docs/cn/MatrixOne/Get-Started/Tutorial/NYC-test-with-matrixone.md
deleted file mode 100644
index 37933e7f1..000000000
--- a/docs/cn/MatrixOne/Get-Started/Tutorial/NYC-test-with-matrixone.md
+++ /dev/null
@@ -1,215 +0,0 @@
-# **瀹屾垚NYC娴嬭瘯**
-
-**NYC Taxi(绾界害鍑虹杞�)**  鏁版嵁闆嗘敹闆嗕簡绾界害甯傛暟鍗佷嚎鍑虹杞﹁绋嬬殑璇︾粏淇℃伅锛屽寘鎷帴閫佹棩鏈�/鏃堕棿銆佹帴閫佸湴鐐广€佽绋嬭窛绂汇€佽缁嗙エ浠枫€佽垂鐜囥€佹敮浠樼被鍨嬪拰涔樺鏁伴噺銆�  
-閫氳繃鏈暀绋嬶紝鎮ㄥ皢浜嗚В濡備綍浣跨敤MatrixOne鏉ュ畬鎴愬NYC Taxi鏁版嵁闆嗙殑鏌ヨ銆�
-
-璇ユ暟鎹泦鐨勮缁嗕俊鎭互鍙婁笅杞芥暀绋嬪彲鍙傝锛�   
-
-* [https://github.com/toddwschneider/nyc-taxi-data](https://github.com/toddwschneider/nyc-taxi-data)  
-
-* [http://tech.marksblogg.com/billion-nyc-taxi-rides-redshift.html](http://tech.marksblogg.com/billion-nyc-taxi-rides-redshift.html). 
-
-## **鍑嗗宸ヤ綔** 
-
-纭繚浣犲凡缁忓畨瑁呬簡[鍗曟満鐗圡atrixOne](../install-standalone-matrixone.md)骞禰杩炴帴鍒癕atrixOne鏈嶅姟](../connect-to-matrixone-server.md).
-  
-## **1. 涓嬭浇骞跺鍏ユ暟鎹�**
-
-鏈妭鏁欑▼鍙傝€僛https://github.com/toddwschneider/nyc-taxi-data](https://github.com/toddwschneider/nyc-taxi-data)锛屾偍鍙互浠庢澶勪簡瑙ｅ叧浜庢暟鎹泦涓嬭浇鍜屽鍏ョ殑璇︾粏淇℃伅銆�  
-璇ユ暟鎹泦鍏辨湁17浜胯鏁版嵁锛屽崰鐢�450 GB鐨勭┖闂达紝璇风‘淇濇湁瓒冲鐨勭┖闂存潵瀛樻斁鏁版嵁銆�
-
-* <font size=4>**瀹夎PostgreSQL涓嶱ostGIS**</font>  
-
-鍦∕ac涓婏紝涓よ€呭潎鍙€氳繃[Homebrew](https://brew.sh)瀹夎銆�
-
-* <font size=4>**涓嬭浇鍘熷鏁版嵁**</font>
-
-```
-./download_raw_data.sh && ./remove_bad_rows.sh
-```
-
-`remove_bad_rows.sh`鑴氭湰淇浜嗕袱涓壒瀹氱殑鏂囦欢锛屽叾涓暟鎹瀬灏戜絾鏄垪瀛楁寰堝銆�
-
-* <font size=4>**鍒濆鍖栨暟鎹簱**</font>
-
-```
-./initialize_database.sh
-```
-
-* <font size=4>**瀵煎叆鏁版嵁**</font>
-
-```
-./import_trip_data.sh 
-./import_fhv_trip_data.sh
-```
-
-* <font size=4>**鍙€夋搷浣滐細涓嬭浇骞跺鍏�2014骞碪ber鏁版嵁**</font>
-
-FiveThirtyEight Uber鏁版嵁闆嗗寘鍚簡2014骞�4鏈堣嚦9鏈堢殑Uber鍑鸿璁板綍銆俇ber鍜屽叾浠朏HV (Lyft銆丣uno銆乂ia绛�)鐨勬暟鎹嚜2015骞�1鏈堜互鏉ュ氨琚瓨鍌ㄥ湪TLC涓€�
-
-```
-./download_raw_2014_uber_data.sh 
-./import_2014_uber_trip_data.sh
-```
-
-## **2. 浠嶱ostgreSQL瀵煎嚭鏁版嵁**
-
-```
-COPY
-(
-    SELECT trips.id,
-           trips.vendor_id,
-           trips.pickup_datetime,
-           trips.dropoff_datetime,
-           trips.store_and_fwd_flag,
-           trips.rate_code_id,
-           trips.pickup_longitude,
-           trips.pickup_latitude,
-           trips.dropoff_longitude,
-           trips.dropoff_latitude,
-           trips.passenger_count,
-           trips.trip_distance,
-           trips.fare_amount,
-           trips.extra,
-           trips.mta_tax,
-           trips.tip_amount,
-           trips.tolls_amount,
-           trips.ehail_fee,
-           trips.improvement_surcharge,
-           trips.total_amount,
-           trips.payment_type,
-           trips.trip_type,
-           trips.pickup_location_id,
-           trips.dropoff_location_id,
-
-           cab_types.type cab_type,
-
-           weather.precipitation rain,
-           weather.snow_depth,
-           weather.snowfall,
-           weather.max_temperature max_temp,
-           weather.min_temperature min_temp,
-           weather.average_wind_speed wind,
-
-           pick_up.gid pickup_nyct2010_gid,
-           pick_up.ctlabel pickup_ctlabel,
-           pick_up.borocode pickup_borocode,
-           pick_up.boroname pickup_boroname,
-           pick_up.ct2010 pickup_ct2010,
-           pick_up.boroct2010 pickup_boroct2010,
-           pick_up.cdeligibil pickup_cdeligibil,
-           pick_up.ntacode pickup_ntacode,
-           pick_up.ntaname pickup_ntaname,
-           pick_up.puma pickup_puma,
-           
-           drop_off.gid dropoff_nyct2010_gid,
-           drop_off.ctlabel dropoff_ctlabel,
-           drop_off.borocode dropoff_borocode,
-           drop_off.boroname dropoff_boroname,
-           drop_off.ct2010 dropoff_ct2010,
-           drop_off.boroct2010 dropoff_boroct2010,
-           drop_off.cdeligibil dropoff_cdeligibil,
-           drop_off.ntacode dropoff_ntacode,
-           drop_off.ntaname dropoff_ntaname,
-           drop_off.puma dropoff_puma
-           
-           FROM trips
-           LEFT JOIN cab_types
-               ON trips.cab_type_id = cab_types.id
-           LEFT JOIN central_park_weather_observations weather
-               ON weather.date = trips.pickup_datetime::date
-           LEFT JOIN nyct2010 pick_up
-               ON pick_up.gid = trips.pickup_nyct2010_gid
-           LEFT JOIN nyct2010 drop_off
-               ON drop_off.gid = trips.dropoff_nyct2010_gid
-) TO '/matrixone/export_data/trips.tsv';
-```
-
-## **3. 鍦∕atrixOne涓缓琛�**
-
-```
-CREATE TABLE trips
-(
-    trip_id                 int unsigned,
-    vendor_id               varchar(64),
-    pickup_datetime         bigint unsigned,
-    dropoff_datetime        bigint unsigned,
-    store_and_fwd_flag      char(1),
-    rate_code_id            smallint unsigned,
-    pickup_longitude        double,
-    pickup_latitude         double,
-    dropoff_longitude       double,
-    dropoff_latitude        double,
-    passenger_count         smallint unsigned,
-    trip_distance           double,
-    distance                bigint,
-    fare_amount             float,
-    extra                   float,
-    mta_tax                 float,
-    tip_amount              float,
-    tolls_amount            float,
-    ehail_fee               float,
-    improvement_surcharge   float,
-    total_amount            float,
-    payment_type            varchar(64),
-    trip_type               smallint unsigned,
-    pickup                  varchar(64),
-    dropoff                 varchar(64),
-    cab_type                varchar(64),
-    precipitation           float,
-    snow_depth              float,
-    snowfall                float,
-    max_temperature         smallint,
-    min_temperature         smallint,
-    average_wind_speed      float,
-    pickup_nyct2010_gid     smallint unsigned,
-    pickup_ctlabel          varchar(64),
-    pickup_borocode         smallint unsigned,
-    pickup_boroname         varchar(64),
-    pickup_ct2010           varchar(64),
-    pickup_boroct2010       varchar(64),
-    pickup_cdeligibil       char(1),
-    pickup_ntacode          varchar(64),
-    pickup_ntaname          varchar(64),
-    pickup_puma             varchar(64),
-    dropoff_nyct2010_gid    smallint unsigned,
-    dropoff_ctlabel         varchar(64),
-    dropoff_borocode        smallint unsigned,
-    dropoff_boroname        varchar(64),
-    dropoff_ct2010          varchar(64),
-    dropoff_boroct2010      varchar(64),
-    dropoff_cdeligibil      varchar(64),
-    dropoff_ntacode         varchar(64),
-    dropoff_ntaname         varchar(64),
-    dropoff_puma            varchar(64)
-) ;
-```
-
-## **4. 鍚戣〃涓彃鍏ユ暟鎹�**
-
-```
-load data infile '/matrixone/export_data/trips.tsv ' into table trips 
-FIELDS TERMINATED BY ',' 
-LINES TERMINATED BY '\n';
-```
-
-鐒跺悗渚垮彲浠ヤ娇鐢∕atrixOne涓殑鏌ヨ璇彞鏉ユ煡璇㈣〃涓暟鎹€�
-
-## **5. Run Queries**
-
-```
-# Q1
-SELECT cab_type, count(*) FROM trips GROUP BY cab_type;
-
-# Q2
-SELECT passenger_count, avg(total_amount) FROM trips GROUP BY passenger_count;
-
-# Q3
-SELECT passenger_count, year(pickup_datetime) as year, count(*) FROM trips GROUP BY passenger_count, year;
-
-# Q4
-SELECT passenger_count, year(pickup_datetime) as year, round(trip_distance) AS  distance, count(*) as count 
-FROM trips 
-GROUP BY passenger_count, year, distance 
-ORDER BY year,count DESC;
-```
diff --git a/docs/cn/MatrixOne/Get-Started/Tutorial/SSB-test-with-matrixone.md b/docs/cn/MatrixOne/Get-Started/Tutorial/SSB-test-with-matrixone.md
index 49e2d51f4..a8bcf7899 100644
--- a/docs/cn/MatrixOne/Get-Started/Tutorial/SSB-test-with-matrixone.md
+++ b/docs/cn/MatrixOne/Get-Started/Tutorial/SSB-test-with-matrixone.md
@@ -1,11 +1,11 @@
 # **瀹屾垚SSB娴嬭瘯**
 
-SSB鏄熷瀷妯″紡鍩哄噯娴嬭瘯鏄疧LAP鏁版嵁搴撴€ц兘娴嬭瘯鐨勫父鐢ㄥ満鏅紝閫氳繃鏈瘒鏁欑▼锛屾偍鍙互浜嗚В鍒板浣曞湪MatrixOne涓疄鐜癝SB娴嬭瘯銆�
+SSB 鏄熷瀷妯″紡鍩哄噯娴嬭瘯鏄� OLAP 鏁版嵁搴撴€ц兘娴嬭瘯鐨勫父鐢ㄥ満鏅紝閫氳繃鏈瘒鏁欑▼锛屾偍鍙互浜嗚В鍒板浣曞湪 MatrixOne 涓疄鐜� SSB 娴嬭瘯銆�
 
 ## **鍑嗗宸ヤ綔**
 
 纭繚浣犲凡缁忓畨瑁呬簡[鍗曟満鐗圡atrixOne](../install-standalone-matrixone.md)骞禰杩炴帴鍒癕atrixOne鏈嶅姟](../connect-to-matrixone-server.md).
-  
+
 ## **1. 缂栬瘧dbgen**
 
 ```
@@ -26,6 +26,12 @@ $ ./dbgen -s 1 -T s
 $ ./dbgen -s 1 -T d
 ```
 
+鎴戜滑杩樺噯澶囦簡 1GB 鐨勬暟鎹泦渚涗綘涓嬭浇銆備綘鍙互鍦ㄤ笅闈㈤摼鎺ヤ腑鐩存帴鑾峰彇鏁版嵁鏂囦欢锛�
+
+```
+https://community-shared-data-1308875761.cos.ap-beijing.myqcloud.com/lineorder_flat.tar.bz2
+```
+
 ## **3. 鍦∕atrixOne涓缓琛�**
 
 ```
@@ -154,12 +160,6 @@ CREATE TABLE lineorder_flat(
 
 ## **4. 瀵煎叆鏁版嵁**
 
-灏哷system_vars_config.toml`鍙傛暟澧炲ぇ锛屼緥濡�10GB锛岀劧鍚庨噸鏂板惎鍔∕atrixOne鏈嶅姟銆�
-
-```
-max-entry-bytes = "10GB"
-```
-
 浣跨敤濡備笅鍛戒护灏嗘暟鎹鍏ョ浉鍏宠〃锛�
 
 ```
diff --git a/docs/cn/MatrixOne/Get-Started/install-standalone-matrixone.md b/docs/cn/MatrixOne/Get-Started/install-standalone-matrixone.md
index 41707a3ae..f7deb5f8b 100644
--- a/docs/cn/MatrixOne/Get-Started/install-standalone-matrixone.md
+++ b/docs/cn/MatrixOne/Get-Started/install-standalone-matrixone.md
@@ -1,6 +1,12 @@
 # **瀹夎鍗曟満鐗� MatrixOne**
 
-浣滀负涓€娆惧紑婧愭暟鎹簱锛孧atrixOne 鐩墠鏀寔涓绘祦鐨� Linux 鍜� MacOS 绯荤粺銆備綘鍙互鐩存帴浠嶽婧愪唬鐮乚(#浣跨敤婧愪唬鐮佹惌寤�)鎼缓鍗曟満鐗堟湰鐨� MatrixOne锛屼篃鍙互浣跨敤[Docker](#浣跨敤docker)瀹夎閮ㄧ讲銆�
+浣滀负涓€娆惧紑婧愭暟鎹簱锛孧atrixOne 鐩墠鏀寔涓绘祦鐨� Linux 鍜� MacOS 绯荤粺銆備綘鍙互閫氳繃浠ヤ笅涓夌鏂规硶瀹夎鍗曟満鐗� MatrixOne锛�
+
+- [鏂规硶 1锛氫娇鐢ㄦ簮浠ｇ爜鎼缓](#鏂规硶 1锛氫娇鐢ㄦ簮浠ｇ爜鎼缓)
+- [鏂规硶 2锛氫笅杞戒簩杩涘埗鍖匽(#鏂规硶 2锛氫笅杞戒簩杩涘埗鍖�)
+- [鏂规硶 3锛氫娇鐢� Docker](鏂规硶 3锛氫娇鐢� Docker)
+
+鎺ㄨ崘纭欢瑙勬牸锛歺86 CPU锛�4鏍革紱32GB 鍐呭瓨锛屾敮鎸� CentOS 7+ 鎿嶄綔绯荤粺銆�
 
 ## **鏂规硶 1锛氫娇鐢ㄦ簮浠ｇ爜鎼缓**
 
@@ -29,6 +35,7 @@ $ cd matrixone
 
 ```
 $ git clone https://github.com/matrixorigin/matrixone.git
+$ git checkout 0.5.0
 $ cd matrixone
 ```
 
@@ -97,10 +104,18 @@ $ docker --version
 
 #### 2. 鍒涘缓骞惰繍琛屽鍣�
 
-浣跨敤浠ヤ笅鍛戒护灏嗕粠 Docker Hub 涓媺鍙栨渶杩戠殑 MatrixOne 闀滃儚锛�
+浣跨敤浠ヤ笅鍛戒护灏嗕粠 Docker Hub 涓媺鍙� MatrixOne 闀滃儚锛屼綘鍙互閫夋嫨鏈€鏂扮殑闀滃儚锛屾垨绋冲畾鐗堟湰鐨勯暅鍍忋€�
+
+- 鏈€鏂扮増鏈殑闀滃儚锛�
+
+```
+$ docker run -d -p 6001:6001 --name matrixone matrixorigin/matrixone:latest
+```
+
+- 0.5.0 绋冲畾鐗堟湰鐨勯暅鍍�
 
 ```
-$ docker run -d -p 6001:6001 --鍚嶇О matrixone matrixorigin/matrixone:latest
+$ docker run -d -p 6001:6001 --name matrixone matrixorigin/matrixone:0.5.0
 ```
 
 杩愯 Docker Hub 鏃堕渶瑕佽緭鍏ョ敤鎴峰悕鍜屽瘑鐮侊紝鑾峰彇鐢ㄦ埛鍚嶅拰瀵嗙爜鍙互鍙傝€冧笅涓€姝ラ - 杩炴帴 MatrixOne 鏈嶅姟
diff --git a/docs/cn/MatrixOne/Overview/NYC-Test-Performance.md b/docs/cn/MatrixOne/Overview/NYC-Test-Performance.md
deleted file mode 100644
index c77b28aa5..000000000
--- a/docs/cn/MatrixOne/Overview/NYC-Test-Performance.md
+++ /dev/null
@@ -1,38 +0,0 @@
-# **NYC鎬ц兘娴嬭瘯缁撴灉**
-
-## **姒傝堪**
-
-鍦∕atrixOne v0.2.0鐗堟湰锛屾垜浠湪鍗曟満涓婇伒鐓鐩稿叧娴佺▼](../Get-Started/Tutorial/NYC-test-with-matrixone.md)瀹炵幇浜�**绾界害鍑虹杞︽暟鎹祴璇�**锛屽苟灏嗘祴璇曠粨鏋滀笌鍏朵粬浜у搧鐩告瘮杈冿紝浣撶幇浜哅atrixOne鍦ㄦ煡璇㈠鐞嗘椂闂翠笂鐨勪紭寮傛€с€�  
-
-!!! note  <font size=4>璇存槑</font>
-    <font size=3>浠ヤ笅娴嬭瘯缁撴灉鏍规嵁 MatrixOne v0.2.0 鐗堟湰娴嬭瘯寰楀嚭锛屽潎鍙栦笁娆℃渶濂界粨鏋滅殑骞冲潎鍊硷紝浠ョ涓哄崟浣嶃€�</font>  
-
-## **鍗曟満娴嬭瘯**
-
-!!! info 娴嬭瘯閰嶇疆
-    娴嬭瘯鎵€鐢ㄦ湇鍔″櫒閰嶇疆濡備笅锛�  
-    AMD EPYC鈩� Rome CPU 2.6GHz/3.3GHz锛�16鏍革紝32GiB鍐呭瓨銆�
-
-|  鏌ヨ缂栧彿 | MatrixOne 0.2.0   |  ClickHouse v21.11.4.14 | Starrocks v1.19.3<br>(浠呮湁3000涓囪鐙珛鏁版嵁)
-|  :----:  | :----:  |  :----:  |:----:
-| Q1 | 8.37|5.99 |2.58
-| Q2 | 2.67|4.13 |2.18
-| Q3 | 3.48|4.56 |3.43
-| Q4 | 5.34|7.09 |4.19
-| 鎬诲拰| 19.86|21.77|12.38
-
-![鏌辩姸鍥綸(https://github.com/matrixorigin/artwork/blob/main/docs/overview/NYC_standalone.png?raw=true)
-
-## **闄愬埗**
-
-鍦ㄦ祴璇曚腑瀵筂atrixOne v0.2.0鐨勬煡璇㈣鍙ヨ繘琛屼簡涓€浜涢檺鍒讹細
-
-* 涓嶄娇鐢� `WHERE`杩囨护璇彞
-* 鏆備笉鏀寔琛ㄥ垎鍖猴紝鍥犳涓嶄娇鐢╜PARTITION`鐩稿叧鍛戒护
-
-## **鐩稿叧淇℃伅**
-
-鏈妭鍐呭灞曠ず浜嗕娇鐢∕atrixOne杩涜绾界害鍑虹杞︽暟鎹祴璇曠殑缁撴灉銆傝嫢鎯宠幏鍙栨洿澶氱浉鍏充俊鎭紝璇疯锛�
-
-* [瀹屾垚SSB娴嬭瘯](../Get-Started/Tutorial/SSB-test-with-matrixone.md)  
-* [SSB娴嬭瘯鎶ュ憡](SSB-Test-Performance.md)
diff --git a/docs/cn/MatrixOne/Overview/SSB-Test-Performance.md b/docs/cn/MatrixOne/Overview/SSB-Test-Performance.md
deleted file mode 100644
index 3c591475d..000000000
--- a/docs/cn/MatrixOne/Overview/SSB-Test-Performance.md
+++ /dev/null
@@ -1,81 +0,0 @@
-# **SSB娴嬭瘯鎬ц兘鎶ュ憡**
-
-## **姒傝堪**
-
-鍦ㄦ锛屾垜浠粰鍑轰簡浣跨敤MatrixOne鍦ㄤ笉鍚岀殑纭欢鍜屾煡璇㈡潯浠朵笅杩涜SSB娴嬭瘯鐨勬€ц兘缁撴灉銆�  
-鍙弬瑙乕瀹屾垚SSB娴嬭瘯](../Get-Started/Tutorial/SSB-test-with-matrixone.md)鏉ュ鐜版暣涓祴璇曠粨鏋滐紝濡傛灉鏈兘瀹炵幇绫讳技缁撴灉锛屽彲鑳介渶瑕佹鏌ョ‖浠躲€佽礋杞芥垨鎴栨祴璇曟祦绋嬫槸鍚﹀瓨鍦ㄩ棶棰橈紝鍙互鍦℅itHub涓婃彁鍑篬issue](https://github.com/matrixorigin/matrixone/issues/new/choose)鏉ユ姤鍛婂叿浣撻棶棰樸€�  
-鍦╲0.2.0涓紝MatrixOne鍦ㄥ崟琛ㄣ€佸琛ㄦ煡璇㈡柟闈㈠潎鏈変紭寮傜殑琛ㄧ幇锛屾垜浠皢MatrixOne鐨勬€ц兘娴嬭瘯缁撴灉涓庡叾浠栨暟鎹簱浜у搧杩涜浜嗘瘮杈冦€傞€氳繃鏌辩姸鍥撅紝鍙互鐪嬪嚭MatrixOne鍦ㄦ煡璇㈠鐞嗘椂闂翠笂鏈夋槑鏄剧殑浼樺娍銆�
-
-鎺ㄨ崘娴嬭瘯浣跨敤鐨勬湇鍔″櫒瑙勬牸鍨嬪彿锛歺86 CPU锛�16鏍革紝64GB鍐呭瓨锛孋entOS 7+鎿嶄綔绯荤粺銆�
-
-!!! note  <font size=4>璇存槑</font>
-    <font size=3>浠ヤ笅娴嬭瘯缁撴灉鏍规嵁 MatrixOne v0.2.0 鐗堟湰娴嬭瘯寰楀嚭锛屽潎鍙栦笁娆℃渶濂界粨鏋滅殑骞冲潎鍊硷紝浠ョ涓哄崟浣�</font>  
-
-涓轰簡灞曠ず鍗曡〃鏌ヨ鑳藉姏锛屽皢浜斿紶琛ㄥ悎鎴愪负涓€寮犲琛細`lineorder_flat`銆�
-
-## **鍗曟満鍗曡〃**
-
-浣跨敤鍗曟満鎼浇MatrixOne鎵ц瀵瑰琛╜lineorder_flat`鐨勬煡璇紝骞朵笌鐩稿悓閰嶇疆涓嬬殑鍏朵粬鏁版嵁搴撹繘琛屾瘮杈冦€�
-`lineorder_flat`鍏辨湁6浜胯鏁版嵁锛屽叡鍗犳嵁220 GB绌洪棿銆�  
-
-!!! info 娴嬭瘯閰嶇疆
-    娴嬭瘯鎵€鐢ㄦ湇鍔″櫒閰嶇疆濡備笅锛�  
-    AMD EPYC鈩� Rome CPU 2.6GHz/3.3GHz锛�16鏍革紝32GiB鍐呭瓨銆�
-
-|  鏌ヨ缂栧彿  | MatrixOne v0.2.0  |  ClickHouse v21.11.4.14
-|  :----:  | :----:  |  :----:  
-| Q2  | 2.71 |3.82 	
-| Q3.1 | 4.23|5.01
-| Q3.2  | 11.05|21.34
-| Q4.1  | 2.94|3.1
-| Q4.2  | 4.27|5.32
-| Q4.3  | 16.91|26.32
-| 鎬诲拰  | 42.11|64.91
-
-![鏌辩姸鍥綸(https://github.com/matrixorigin/artwork/blob/main/docs/overview/SSB_standalone_single.png?raw=true)
-
-## **鍗曟満澶氳〃**
-
-浠嶇劧浣跨敤鍗曟満鐜锛岀幇瀵瑰師濮婼SB娴嬭瘯鏁版嵁闆嗕腑鐨勫涓暟鎹〃杩涜鏌ヨ锛屾暟鎹叡鏈�6浜胯锛屼富琛ㄥ崰鎹�67GB绌洪棿銆�
-
-|  鏌ヨ缂栧彿  | MatrixOne v0.2.0   |  ClickHouse v21.11.4.14| Starrocks v1.19.3
-|  :----:  | :----:  |  :----:  |:----:
-| Q2  | 13.6|28.05 |15.83
-| Q3.1 | 12.94|27.81 |16.98
-| Q3.2  | 23.56|54.84 |29.25
-| Q4.1  | 13.96|27.2 |16.77
-| Q4.2  | 19.72|41.82|21.54
-| Q4.3  | 46.07|85.99|35.95
-| 鎬诲拰  | 129.85|265.71|136.37
-
-![鏌辩姸鍥綸(https://github.com/matrixorigin/artwork/blob/main/docs/overview/SSB_standalone_multi.png?raw=true)
-
-## **闆嗙兢澶氳〃**
-
-浣跨敤鐢变笁涓妭鐐圭粍鎴愮殑闆嗙兢杩涜澶氳〃鏌ヨ锛屽叾涓瘡涓€涓妭鐐归兘鎸夌収鍗曟満杩涜瀹夎閮ㄧ讲銆傜敱娴嬭瘯缁撴灉鍙煡锛岄泦缇ょ殑鏌ヨ鏃堕棿鏄庢樉鐭簬鍗曟満鏌ヨ锛岃瘉鏄庝簡MatrixOne鐨勬€讳綋鎬ц兘闅忕潃闆嗙兢涓妭鐐逛釜鏁板鍔犺€屾彁楂樸€�
-
-|  鏌ヨ缂栧彿  | MatrixOne v0.2.0  |  Starrocks v1.19.3
-|  :----:  | :----:  |  :----:  
-| Q2 | 4.94 |6.08 	
-| Q3.1 | 5.85|6.27
-| Q3.2  | 9.67|9.79
-| Q4.1  | 6.05|6.87
-| Q4.2  | 6.87|9.51
-| Q4.3  | 20.1|15.55
-| 鎬诲拰  | 53.48|54.07
-
-![鏌辩姸鍥綸(https://github.com/matrixorigin/artwork/blob/main/docs/overview/SSB_cluster_multi.png?raw=true)
-
-## **闄愬埗**
-
-MatrixOne v0.2.0骞舵病鏈夊畬鎴愭墍鏈塖SB鏌ヨ璇彞锛屽師鍥犲涓嬶細
-
-* 涓嶄娇鐢ㄥ寘鍚玚WHERE`杩囨护璇彞鐨勬煡璇㈠懡浠�
-* 鏆備笉鏀寔琛ㄥ垎鍖猴紝鍥犳涓嶄娇鐢╜PARTITION`鐩稿叧鍛戒护
-
-## **鐩稿叧淇℃伅**
-
-鏈妭鍐呭灞曠ず浜嗕娇鐢∕atrixOne杩涜SSB娴嬭瘯鐨勭粨鏋溿€傝嫢鎯宠幏鍙栨洿澶氱浉鍏充俊鎭紝璇疯锛�  
-
-* [瀹屾垚NYC娴嬭瘯](../Get-Started/Tutorial/NYC-test-with-matrixone.md)  
-* [NYC娴嬭瘯缁撴灉](NYC-Test-Performance.md)
diff --git a/docs/cn/MatrixOne/Overview/mysql-compatibility.md b/docs/cn/MatrixOne/Overview/mysql-compatibility.md
index e2df686db..1fd2e75c2 100644
--- a/docs/cn/MatrixOne/Overview/mysql-compatibility.md
+++ b/docs/cn/MatrixOne/Overview/mysql-compatibility.md
@@ -6,7 +6,7 @@ MatrixOne鐨凷QL璇硶鍏煎浜哅ySQL 8.0.23鐗堟湰銆�
 |  ----  | ----  |  ----  |
 | DDL  | CREATE DATABASE | 涓嶆敮鎸佷腑鏂囧懡鍚嶇殑琛ㄥ悕 |
 |   |   | 鏀寔閮ㄥ垎鎷変竵璇�  |
-|   |   | CHARSET, COLLATE, ENCRYPTION 鐩墠鍙互浣跨敤浣嗘棤娉曠敓鏁� |
+|   |   | `CHARSET`锛宍COLLATE`锛宍ENCRYPTION` 鐩墠鍙互浣跨敤浣嗘棤娉曠敓鏁� |
 |   | CREATE TABLE | 涓嶆敮鎸佷复鏃惰〃  |
 |   |   | 涓嶆敮鎸佽〃鐨勫垎鍖�  |
 |   |   | 涓嶆敮鎸� `Create table .. as` 璇彞 |
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md
index 679e67f97..7c95dd357 100644
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md
+++ b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md
@@ -33,5 +33,6 @@
 ```
 
 ## **闄愬埗**
- 
-鐩墠鍙敮鎸� `UTF-8` 瀛楃闆嗐€�
\ No newline at end of file
+
+- 鐩墠鍙敮鎸� `UTF-8` 瀛楃闆嗐€�
+- `CHARACTER SET`锛宍COLLATE`锛宍ENCRYPTION` 鐩墠鍙互浣跨敤浣嗘棤娉曠敓鏁�
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-index.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-index.md
deleted file mode 100644
index b48ef668a..000000000
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-index.md
+++ /dev/null
@@ -1,23 +0,0 @@
-# **CREATE INDEX**
-
-## **璇硶璇存槑**
-
-`CREATE INDEX` 璇彞涓哄凡鏈夎〃`table_name`鐨勬煇鍒楁坊鍔犳柊绱㈠紩銆�
-
-## **璇硶缁撴瀯**
-
-```
-> CREATE INDEX index_name ON table_name (column_name)
-
-```
-
-## **绀轰緥**
-
-```
-> CREATE INDEX PIndex ON Persons (LastName);
-
-```
-
-## **闄愬埗**
-
-鐩墠绱㈠紩鍙兘搴旂敤浜庡崟鍒椼€傛澶栵紝杩樹笉鏀寔鎸囧畾绱㈠紩绫诲瀷锛宍UNIQUE/FULLTEXT` 璇彞杩樹笉鏀寔銆�
\ No newline at end of file
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/drop-index.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/drop-index.md
deleted file mode 100644
index d91cb437f..000000000
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/drop-index.md
+++ /dev/null
@@ -1,18 +0,0 @@
-# **DROP INDEX**
-
-## **璇硶璇存槑**
-
-`DROP INDEX` 浠庤〃`table_name` 涓垹闄ゅ悕涓篳index_name`鐨勭储寮曘€�
-
-## **璇硶缁撴瀯**
-
-```
-> DROP INDEX index_name ON table_name; 
-```
-
-## **绀轰緥**
-
-```
-> DROP INDEX PIndex ON Persons;
-
-```
\ No newline at end of file
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/primary-key.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/primary-key.md
index 6d105f551..a406822b3 100644
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/primary-key.md
+++ b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/primary-key.md
@@ -4,7 +4,7 @@
 
 `PRIMARY KEY` 鍗充富閿害鏉燂紝鐢ㄤ簬鍞竴鏍囩ず琛ㄤ腑鐨勬瘡鏉℃暟鎹€�
 涓婚敭蹇呴』鍖呭惈 `UNIQUE` 鍊硷紝涓嶈兘鍖呭惈 `NULL` 鍊笺€�
-涓€涓〃鍙兘鏈変竴涓富閿紝浣嗕竴涓富閿彲浠ュ寘鍚竴涓垨澶氫釜鍒椼€�
+涓€涓〃鍙兘鏈変竴涓富閿紝浣嗕竴涓富閿彲浠ュ寘鍚竴涓垪銆�
 
 ## **鍦ㄥ缓琛ㄦ椂鍒涘缓涓婚敭**
 
@@ -20,21 +20,10 @@
 );
 ```
 
-鑻ヨ瀵逛富閿繘琛屽懡鍚嶏紝骞舵寚瀹氬涓垪涓轰富閿紝鍙弬鑰冨涓嬭鍙ワ細  
-
-```
-> CREATE TABLE Persons (
-    ID int NOT NULL,
-    LastName varchar(255) NOT NULL,
-    FirstName varchar(255),
-    Age int,
-    CONSTRAINT PK_Person PRIMARY KEY (ID,LastName)
-);
-```
-
 !!! Note 娉ㄦ剰鍖哄垎
     涓婅堪绀轰緥涓彧鏈変竴涓富閿� `PK_Person`, 浣嗗叾涓寘鍚簡涓ゅ垪锛坄ID`涓巂LastName`锛�
 
 ## **闄愬埗**
 
-鐩墠涓嶆敮鎸� `DROP PRIMARY KEY` 璇彞銆�
\ No newline at end of file
+- 鐩墠涓嶆敮鎸� 甯︽湁 `ALTER TABLE` 鐨� `DROP PRIMARY KEY` 璇彞銆�  
+- 涓嶆敮鎸佸鍚堜富閿紙鍗崇敱澶氫釜鍒楃粍鎴愮殑涓婚敭锛屼负澶嶅悎涓婚敭)
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/insert.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/insert.md
index 089d8136e..e01707736 100644
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/insert.md
+++ b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/insert.md
@@ -24,3 +24,7 @@
 |  123 |   abc   |
 +------+---------+
 ```
+
+## **闄愬埗**
+
+鐩墠涓嶆敮鎸� `INSERT INTO鈥ALUES(function)` 璇硶涓殑鍐呯疆鍑芥暟銆�
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/load-data.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/load-data.md
index 28258d237..3c9780e74 100644
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/load-data.md
+++ b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/load-data.md
@@ -8,12 +8,8 @@
 
 ```
 > LOAD DATA
-    [LOW_PRIORITY | CONCURRENT] [LOCAL]
     INFILE 'file_name'
-    [REPLACE | IGNORE]
     INTO TABLE tbl_name
-    [PARTITION (partition_name [, partition_name] ...)]
-    [CHARACTER SET charset_name]
     [{FIELDS | COLUMNS}
         [TERMINATED BY 'string']
         [[OPTIONALLY] ENCLOSED BY 'char']
@@ -23,11 +19,6 @@
         [STARTING BY 'string']
         [TERMINATED BY 'string']
     ]
-    [IGNORE number {LINES | ROWS}]
-    [(col_name_or_user_var
-        [, col_name_or_user_var] ...)]
-    [SET col_name={expr | DEFAULT}
-        [, col_name={expr | DEFAULT}] ...]
 ```
 
 * `TERMINATED BY`锛宍ENCLOSED BY`绛夊垎闅旂鐨勬剰涔変笌`SELECT INTO`涓€鑷淬€�
@@ -42,3 +33,7 @@
 ```sql
 > LOAD DATA INFILE '/ssb-dbgen-path/lineorder_flat.tbl ' INTO TABLE lineorder_flat;
 ```
+
+## **闄愬埗**
+
+褰撳墠浠呮敮鎸� `csv` 鏍煎紡鐨勬枃浠躲€�
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/operators/cast-functions-and-operators/cast.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/operators/cast-functions-and-operators/cast.md
index 7ae6421d5..a20fe1103 100644
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/operators/cast-functions-and-operators/cast.md
+++ b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/operators/cast-functions-and-operators/cast.md
@@ -24,6 +24,8 @@
 * 鏁板€肩被鍨嬪悜瀛楃CHAR绫诲瀷杞崲
 * 鏍煎紡涓烘暟鍊肩殑瀛楃绫诲瀷鍚戞暟鍊肩被鍨嬭浆鎹紙璐熸暟闇€瑕佽浆鎹负SIGNED锛�
 
+璇︾粏鐨勬暟鎹被鍨嬭浆鎹㈣鍒欙紝璇峰弬瑙乕鏁版嵁绫诲瀷杞崲](../../../../Data-Types/data-type-conversion.md)銆�
+
 ## **绀轰緥**
 
 ```sql
diff --git a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/select.md b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/select.md
index 8ae6a644b..dc885baf1 100644
--- a/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/select.md
+++ b/docs/cn/MatrixOne/Reference/SQL-Reference/Data-Manipulation-Statements/select.md
@@ -7,69 +7,20 @@
 ## **璇硶缁撴瀯**
 
 ``` sql
-> SELECT
-    [ALL | DISTINCT]
-    select_expr [[AS] alias], ...
+SELECT
+    [ALL | DISTINCT ]
+    select_expr [, select_expr] [[AS] alias] ...
     [INTO variable [, ...]]
-    [ FROM table_references
-    [WHERE expr]
-    [GROUP BY {{col_name | expr | position}, ...
-    | extended_grouping_expr}]
-    [HAVING expr]
-    [ORDER BY {col_name | expr} [ASC | DESC], ...]
-    [LIMIT row_count]
-    [OFFSET row_count]
-    ]
+    [FROM table_references
+    [WHERE where_condition]
+    [GROUP BY {col_name | expr | position}
+      [ASC | DESC]]
+    [HAVING where_condition]
+    [ORDER BY {col_name | expr | position}
+      [ASC | DESC]]
+    [LIMIT {[offset,] row_count | row_count OFFSET offset}]
 ```
 
-### **SELECT INTO**
-
-`SELECT INTO` 璇彞灏嗘煡璇㈢粨鏋滃瓨鍌ㄥ湪鍙橀噺鎴栬€呭鍑轰负鏂囦欢銆�
-
-* SELECT ... INTO ***var_list*** 鍙互妫€绱㈠垪鍊煎苟灏嗗叾瀛樺偍鍒板彉閲忎腑銆�
-* SELECT ... INTO OUTFILE 灏嗘绱㈢粨鏋滆緭鍑轰负鏂囦欢锛屽彲浠ヤ娇鐢ㄨ/鍒楀垎闅旂鏉ョ敓鎴愮壒瀹氱殑鏍煎紡銆�
-
-``` sql
-> SELECT <expr_list>
-  INTO OUTFILE 'file_name'
-    [{FIELDS}
-        [TERMINATED BY 'char']
-        [ENCLOSED BY 'char']
-    ]
-    [LINES
-        [TERMINATED BY 'string']
-    ]
-    [HEADER 'bool']
-    [MAX_FILE_SIZE long]
-    [FORCE_QUOTE {'col1','col2',...}]
-```
-
-#### 鍙傛暟閲婁箟
-
-* `<expr_list>` 鏄綘鎯宠緭鍑虹殑妫€绱㈢粨鏋滐紝涓哄繀閫夊弬鏁般€�
-* `'file_name'` 涓烘湰鏈轰笂浣犳墍瀵煎嚭鐨勬枃浠剁殑鏂囦欢鍚嶏紝浠ョ粷瀵硅矾寰勩€傝嫢瀛樺湪鍚屽悕鏂囦欢锛屽垯浼氬鑷村鍑哄け璐ャ€傛澶栵紝璺緞涓殑鎵€鏈夊墠缃枃浠跺す閮藉繀椤讳簨鍏堝垱寤猴紝璇ュ懡浠や笉浼氳嚜鍔ㄥ垱寤烘墍闇€瑕佺殑鏂囦欢澶广€�
-* `TERMINATED BY` 琚敤鏉ユ寚瀹氬瓧娈靛垎闅旂锛岄粯璁ゅ€间负閫楀彿 `,`銆�
-* `ENCLOSED BY` 鎸囧畾浜嗗垪瀛楁鍖呮嫭绗︼紝榛樿涓哄弻寮曞彿 `"`銆�
-* `LINES TERMINATED BY` 琛ㄧず琛岀粨鏉熺锛岄粯璁や负鎹㈣绗� `\n`銆�
-* `HEADER` 鐢ㄤ簬璁剧疆鏂囦欢涓槸鍚﹀寘鍚瘡涓€鍒楀悕绉扮殑鏍囬琛岋紝褰撲负`TRUE`鏃讹紝杈撳嚭鍖呭惈鏍囬琛岋紝鍙嶄箣鍒欎笉鍖呭惈銆�
-* 浣犲彲浠ラ€氳繃`MAX_FILE_SIZE`闄愬埗杈撳嚭鏂囦欢鐨勫ぇ灏忥紙浠B涓哄崟浣嶏級銆�
-  渚嬪锛屽綋`MAX_FILE_SIZE`=5242880(5GB)鏃讹紝10GB鐨勮〃灏变細琚鍑轰负涓や釜鏂囦欢锛屾枃浠跺懡鍚嶈鍒欎负鍘熸枃浠跺悕鍚庣紑鍔犱笂`.搴忓彿`銆傝嫢涓嶈缃鍊硷紝閭ｄ箞榛樿杈撳嚭涓€涓枃浠躲€�
-* `FORCE_QUOTE`寮哄埗瀵规瘡涓寚瀹氬垪涓墍鏈夐潪NULL鍊间娇鐢ㄥ紩鐢紝浣跨敤鍙屽紩鍙蜂綔涓烘爣璇嗐€�
-* `NULL` 鍊煎皢琚鍑轰负`\N`銆�
-* `HAVING` 鎸囧畾缁勭殑鏉′欢锛岄€氬父涓� `GROUP BY` 浠庡彞涓€璧蜂娇鐢ㄣ€傛煡璇㈢殑缁撴灉鏄彧鍖呭惈婊¤冻 `HAVING` 鏉′欢鐨勭粍銆�(濡傛灉娌℃湁 `GROUP BY`锛屽垯鎵€鏈夎鑷姩缁勬垚鍗曚釜鑱氬悎缁勩€�)
-  `HAVING` 浠庡彞涓� `WHERE` 浠庡彞涓€鏍凤紝鎸囧畾閫夋嫨鏉′欢銆� 浣� `WHERE` 浠庡彞鎸囧畾閫夋嫨鍒楄〃涓殑鍒楃殑鏉′欢锛屼絾鏄棤娉曞紩鐢ㄨ仛鍚堝嚱鏁般€傚嵆 `WHERE` 鐢ㄤ簬杩囨护鏁版嵁琛岋紝鑰� `HAVING` 鐢ㄤ簬杩囨护鍒嗙粍銆�
-  `HAVING` 蹇呴』鍙紩鐢� `GROUP BY` 浠庡彞涓殑鍒楁垨鑱氬悎鍑芥暟涓娇鐢ㄧ殑鍒椼€�
-  濡傛灉 `HAVING` 浠庡彞鎸囧畾鐨勬槸涓嶆槑纭殑鍒楋紝鍒欎細鍑虹幇璀﹀憡銆�
-
-!!! info 寤鸿
-    濡傛灉涓嶈缃甡MAX_FILE_SIZE`锛屽綋琛ㄧ殑鏁版嵁閲忓緢澶ф椂浼氳緭鍑轰竴涓瀬澶х殑鏂囦欢锛屽彲鑳藉洜姝ゅ彂鐢熷鍑哄け璐ョ殑鎯呭喌锛涘洜姝ゆ垜浠缓璁偍鏍规嵁瀹為檯鎯呭喌璁剧疆璇ュ€笺€�
-
-#### 闄愬埗
-
- * 鐩稿悓鐩綍涓嬭嫢瀛樺湪鍚屽悕鏂囦欢锛屽垯浼氬鑷村鍑哄け璐ャ€�
- * 鐩墠鍙敮鎸佸鍑� ***.csv*** 绫诲瀷鐨勬枃浠躲€�
- * 鐩墠鍙敮鎸侀€氳繃缁濆璺緞灏嗘枃浠跺鍑哄埌鏈嶅姟鍣ㄤ富鏈猴紝鑰屼笉鑳藉鍑哄埌杩滅▼瀹㈡埛绔€�
-
 ## **绀轰緥**
 
 ```sql
@@ -85,19 +36,7 @@
 > SELECT * FROM t1 WHERE spID>2 AND userID <2 || userID >=2 OR userID < 2 LIMIT 3;
 
 > SELECT userID,MAX(score) max_score FROM t1 WHERE userID <2 || userID > 3 GROUP BY userID ORDER BY max_score;
-```
 
-```sql
-select * from t1 into outfile '/Users/tmp/test.csv'
-FIELDS TERMINATED BY ','
-ENCLOSED BY '"'
-LINES TERMINATED BY '\n'
-header 'TRUE'
-MAX_FILE_SIZE 9223372036854775807
-FORCE_QUOTE (a, b)
-```
-
-```sql
 > create table t1 (spID int,userID int,score smallint);
 > insert into t1 values (1,1,1);
 > insert into t1 values (2,2,2);
@@ -115,3 +54,9 @@ FORCE_QUOTE (a, b)
 > select userID,count(score) from t1 where userID>2 group by userID having count(score)>1 order by userID;
 Empty set (0.01 sec)s
 ```
+
+## **闄愬埗**
+
+- 鍦� `GROUP BY` 涓殏涓嶆敮鎸佽〃鍒悕.
+- 鏆備笉鏀寔 `SELECT...FOR UPDATE` 銆�
+- 閮ㄥ垎鏀寔 `INTO OUTFILE`銆�
diff --git a/docs/en/MatrixOne/Overview/mysql-compatibility.md b/docs/en/MatrixOne/Overview/mysql-compatibility.md
index 2a18e9bce..1c7812bce 100644
--- a/docs/en/MatrixOne/Overview/mysql-compatibility.md
+++ b/docs/en/MatrixOne/Overview/mysql-compatibility.md
@@ -1,12 +1,12 @@
-# **MySQL Compatibility** 
+# **MySQL Compatibility**
 
-MatrixOne SQL syntax conforms with MySQL 8.0.23 version. 
+MatrixOne SQL syntax conforms with MySQL 8.0.23 version.
 
 |  SQL Type   | SQL Syntax  |  Compability with MySQL8.0.23   |
 |  ----  | ----  |  ----  |
 | DDL  | CREATE DATABASE | A database with Chinese name is not supported. |
 |   |   | Names with Latins support limitedly.  |
-|   |   | CHARSET, COLLATE, ENCRYPTION can be used but don't work. |
+|   |   | `CHARSET`, `COLLATE`, `ENCRYPTION` can be used but don't work. |
 |   | CREATE TABLE | Temporary tables are not supported.  |
 |   |   | Partition tables are not supported.  |
 |   |   | Create table .. as clause is not supported now. |
diff --git a/docs/en/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md b/docs/en/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md
index 75de3ef18..0e9df7a9f 100644
--- a/docs/en/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md
+++ b/docs/en/MatrixOne/Reference/SQL-Reference/Data-Definition-Statements/create-database.md
@@ -34,4 +34,5 @@ Create a database.
 
 ## **Constraints**
 
-Only `UTF-8` CHARACTER SET is supported for now. 
+- Only `UTF-8` CHARACTER SET is supported for now.
+- `CHARACTER SET`, `COLLATE`, `ENCRYPTION` can be used but don't work.
-- 
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