DROP VARIABLE DROP VIEW DROP VOLUME REFRESH FOREIGN (CATALOG、SCHEMA 或 TABLE) REFRESH (MATERIALIZED VIEW 或 STREAMING TABLE) REPAIR TABLE TRUNCATE TABLE UNDROP TABLE USE CATALOG USE DATABASE USE SCHEMA ADD ARCHIVE ADD FILE ADD JAR LIST ARCHIVE LIST FILE LIST JAR GET PUT INTO REMOVE INSERT...
[SPARK-42031] [SC-120389][CORE][SQL] 清理不需要重写的 remove 方法 [SPARK-41746] [SC-120463][SPARK-41838][SPARK-41837][SPARK-41835][SPARK-41836][SPARK-41847][CONNECT][PYTHON] 使 createDataFrame(rows/lists/tuples/dicts) 支持嵌套类型 [SPARK-41437] [SC-117601][SQL][ALL TESTS] 不要为 ...
[SPARK-44846] 移除了 RemoveRedundantAggregates 之後的複雜群組運算式。 作業系統安全性更新。 2023 年 11 月 14 日 [SPARK-45541] 新增了 SSLFactory。 [SPARK-45545] SparkTransportConf 會在建立時繼承 SSLOptions。 [SPARK-45427] 將RPC SSL 設定新增至 SSLOptions 和SparkTransportConf。 [SPARK-45429] 為...
-- Create table Student with partition>CREATETABLEStudent (nameSTRING, rollnoINT) PARTITIONEDBY(ageINT); >SELECT*FROMStudent; name rollno age--- --- ---ABC 1 10 DEF 2 10 XYZ 3 12-- Remove all rows from the table in the specified partition>TRUNCATETABLEStudentpartition(age...
-- Create table Student with partition > CREATE TABLE Student (name STRING, rollno INT) PARTITIONED BY (age INT); > SELECT * FROM Student; name rollno age --- --- --- ABC 1 10 DEF 2 10 XYZ 3 12 -- Remove all rows from the table in the specified partition > TRUNCATE TABLE ...
Table migration process Table mapping Step 1 : Create the mapping file Step 2: Update the mapping file Data access Step 1 : Map cloud principals to cloud storage locations Step 2 : Create or modify cloud principals and credentials Step 3: Create the "uber" Principal New Unity Catalog ...
If property_key doesn’t exist and error is raised unless IF EXISTS has been specified. Examples Copy SQL -- Remove a table's table properties. > ALTER TABLE T UNSET TBLPROPERTIES(this.is.my.key, 'this.is.my.key2'); > SHOW TBLPROPERTIES T; option.serialization.format 1 transient_last...
creatingstorage credentialandexternal locationto register the external table in the metastore. When we apply the DROP statement, only the logical schema gets deleted, the physical data remain as-is. We might need to applydbutils.fs.rmcommand to remove the physical files from the exte...
-- MAGIC The **`add`** column contains a list of all the new files written to our table; the **`remove`** column indicates those files that no longer should be included in our table. Expand All @@ -208,7 +208,7 @@ DESCRIBE DETAIL students -- COMMAND --- -- MAGIC ...
The file generated has almost 11 MiB. Please keep in mind that for files of this size we can use Excel. Azure Databricks should be used when the regular tools like Excel are not able to read the file. Use Azure Databricks to analyse the data collected with Blob Invento...