bowenliang123 commented on code in PR #4624: URL: https://github.com/apache/kyuubi/pull/4624#discussion_r1150152203
##########
docs/overview/kyuubi_vs_hive.md:
##########
@@ -32,16 +32,15 @@ have multiple reducer stages.
## Differences Between Kyuubi and HiveServer2
--
-| Kyuubi |
HiveServer2 |
+|| Kyuubi | HiveServer2 |
|--------------------------------|---------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| ** Language ** | Spark SQL
| Hive QL
|
-| ** Optimizer ** | Spark SQL Catalyst
| Hive Optimizer
|
-| ** Engine ** | up to Spark 3.x
| MapReduce/[up to Spark
2.3](https://cwiki.apache.org/confluence/display/Hive/Hive+on+Spark%3A+Getting+Started#HiveonSpark:GettingStarted-VersionCompatibility)/Tez
|
-| ** Performance ** | High
| Low
|
-| ** Compatibility with Spark ** | Good
| Bad(need to rebuild on a specific
version)
|
-| ** Data Types ** | [Spark Data
Types](https://spark.apache.org/docs/latest/sql-ref-datatypes.html) | [Hive
Data
Types](https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Types)
|
+|**Language** | Spark SQL
| Hive QL
|
+|**Optimizer** | Spark SQL Catalyst
| Hive Optimizer
|
+|**Engine** | up to Spark 3.x
| MapReduce/[up to Spark
2.3](https://cwiki.apache.org/confluence/display/Hive/Hive+on+Spark%3A+Getting+Started#HiveonSpark:GettingStarted-VersionCompatibility)/Tez
|
+| **Performance**| High
| Low
|
+|**Compatibility with Spark**| Good
| Bad(need to rebuild on a specific version)
|
+| **Data Types** | [Spark Data
Types](https://spark.apache.org/docs/latest/sql-ref-datatypes.html) | [Hive
Data
Types](https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Types)
|
Review Comment:
```suggestion
| **Language** | Spark SQL
| Hive QL
|
| **Optimizer** | Spark SQL Catalyst
| Hive Optimizer
|
| **Engine** | up to Spark 3.x
| MapReduce/[up to Spark
2.3](https://cwiki.apache.org/confluence/display/Hive/Hive+on+Spark%3A+Getting+Started#HiveonSpark:GettingStarted-VersionCompatibility)/Tez
|
| **Performance** | High
| Low
|
| **Compatibility with Spark** | Good
| Bad(need to rebuild on a specific
version)
|
| **Data Types** | [Spark Data
Types](https://spark.apache.org/docs/latest/sql-ref-datatypes.html) | [Hive
Data
Types](https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Types)
|
```
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