[Doc] update docs about data change&transformation during loading (St…

…arRocks#43653)

docs/en/loading/Etl_in_loading.md

@@ -163,7 +163,7 @@ LOAD LABEL test_db.label1
     COLUMNS TERMINATED BY ","
     (user_id, user_gender, event_date, event_type)
 )
-WITH BROKER "broker1";
+WITH BROKER;
 ```
 
 > **NOTE**
@@ -260,7 +260,7 @@ LOAD LABEL test_db.label2
     (user_id, user_gender, event_date, event_type)
     WHERE event_type = 1
 )
-WITH BROKER "broker1";
+WITH BROKER;
 ```
 
 For detailed syntax and parameter descriptions, see [BROKER LOAD](../sql-reference/sql-statements/data-manipulation/BROKER_LOAD.md).
@@ -353,7 +353,7 @@ LOAD LABEL test_db.label3
     (date)
     SET(year=year(date), month=month(date), day=day(date))
 )
-WITH BROKER "broker1";
+WITH BROKER;
 ```
 
 > **NOTE**
@@ -435,7 +435,7 @@ LOAD LABEL test_db.label4
     COLUMNS FROM PATH AS (date)
     SET(event_date = date)
 )
-WITH BROKER "broker1";
+WITH BROKER;
 ```
 
 > **NOTE**

docs/en/loading/Load_to_Primary_Key_tables.md

@@ -157,7 +157,7 @@ Run a load job to update the record whose `id` is `101` in `example1.csv` to `ta
         columns terminated by ","
         format as "csv"
     )
-    with broker "broker1";
+    WITH BROKER;
     ```
 
   - If you want to include the `__op` field, run the following command:
@@ -171,7 +171,7 @@ Run a load job to update the record whose `id` is `101` in `example1.csv` to `ta
         format as "csv"
         set (__op = 'upsert')
     )
-    with broker "broker1";
+    WITH BROKER;
     ```
 
 - Run a Routine Load job.
@@ -306,7 +306,7 @@ Run a load job to delete the record whose `id` is `101` in `example2.csv` from `
       format as "csv"
       set (__op = 'delete')
   )
-  with broker "broker1";  
+  WITH BROKER;  
   ```
 
 - Run a Routine Load job.
@@ -423,7 +423,7 @@ Run a load job to delete the record whose `id` is `101` in `example3.csv` from `
       (id, name, score, temp)
       set (__op=temp)
   )
-  with broker "broker1";
+  WITH BROKER;
   ```
 
 - Run a Routine Load job:
@@ -542,7 +542,7 @@ Run a load to update the data in the two columns of `example4.csv` to the `id` a
       format as "csv"
       (id, name)
   )
-  WITH BROKER "broker1"
+  WITH BROKER
   PROPERTIES
   (
       "partial_update" = "true"

docs/zh/loading/Etl_in_loading.md

@@ -162,7 +162,7 @@ LOAD LABEL test_db.label1
     COLUMNS TERMINATED BY ","
     (user_id, user_gender, event_date, event_type)
 )
-WITH BROKER
+WITH BROKER;
 ```
 
 > **说明**
@@ -259,7 +259,7 @@ LOAD LABEL test_db.label2
     (user_id, user_gender, event_date, event_type)
     WHERE event_type = 1
 )
-WITH BROKER
+WITH BROKER;
 ```
 
 有关详细的语法和参数介绍，请参见 [BROKER LOAD](../sql-reference/sql-statements/data-manipulation/BROKER_LOAD.md)。
@@ -352,7 +352,7 @@ LOAD LABEL test_db.label3
     (date)
     SET(year=year(date), month=month(date), day=day(date))
 )
-WITH BROKER
+WITH BROKER;
 ```
 
 > **说明**
@@ -432,7 +432,7 @@ LOAD LABEL test_db.label4
     COLUMNS FROM PATH AS (date)
     SET(event_date = date)
 )
-WITH BROKER
+WITH BROKER;
 ```
 
 > **说明**

docs/zh/loading/Load_to_Primary_Key_tables.md

@@ -155,7 +155,7 @@ StarRocks 的主键表目前支持 UPSERT 和 DELETE 操作，不支持区分 IN
         columns terminated by ","
         format as "csv"
     )
-    with broker
+    WITH BROKER;
     ```
 
   - 添加 `__op` 字段：
@@ -169,7 +169,7 @@ StarRocks 的主键表目前支持 UPSERT 和 DELETE 操作，不支持区分 IN
         format as "csv"
         set (__op = 'upsert')
     )
-    with broker
+    WITH BROKER;
     ```
 
 - 通过 Routine Load 导入：
@@ -304,7 +304,7 @@ SELECT * FROM table1;
       format as "csv"
       set (__op = 'delete')
   )
-  with broker  
+  WITH BROKER;
   ```
 
 - 通过 Routine Load 导入：
@@ -421,7 +421,7 @@ SELECT * FROM table2;
       (id, name, score, temp)
       set (__op=temp)
   )
-  with broker
+  WITH BROKER;
   ```
 
 - 通过 Routine Load 导入：