属性键区分大小写。 如果property_key不存在,则引发错误,除非已指定IF EXISTS。 示例 SQL -- Remove a table's table properties.>ALTERTABLET UNSET TBLPROPERTIES(this.is.my.key,'this.is.my.key2'); >SHOWTBLPROPERTIES T; key value--- ---... keys other that key and key2 ... OPTIO...
CREATE FUNCTION (SQL) CREATE FUNCTION (外部) CREATE LOCATION CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 資料表屬性和資料表選項 具有Hive 格式的 CREATE TABLE CREATE TABLE CONSTRAINT CREATE TABLE USING CREATE TABLE LIKE CREA...
CREATE FUNCTION (SQL) CREATE FUNCTION(外部) CREATE LOCATION CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA 创建服务器 CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 表属性和表选项 CREATE TABLE,采用 Hive 格式 CREATE TABLE CONSTRAINT CREATE TABLE USING CREATE TABLE LIKE CREATE VIEW 创建卷 DECL...
spark.sql("USE default") spark.sql("DROP TABLE IF EXISTS demo_temps_table") temps.write.saveAsTable("demo_temps_table") // Query the table on the Databricks cluster, returning rows // where the airport code is not BLI and the date is later /...
vacuum仅删除数据文件,而不删除日志文件。检查点操作后,日志文件将自动异步删除。日志文件的默认保留期为30天,可通过使用ALTER TABLE SET TBLPROPERTIES SQL方法设置的delta.logRetentionPeriod属性进行配置。请参阅表属性。 运行vacuum后,无法再按时间顺序查看在保留期之前创建的版本。
This property signals that the object is out-of-scope for other migration operations and that the view dependency exists within UC. The created UC objects are marked with an upgraded_from property containing the Hive metastore identifier from which the object was migrated. Finally, the table ...
Writing data using SQL: --Create a new table, throwing an error if a table with the same name already exists:CREATETABLEmy_tableUSINGcom.databricks.spark.redshiftOPTIONS ( dbtable'my_table', tempdir's3n://path/for/temp/data'url'jdbc:redshift://redshifthost:5439/database?user=username&pas...
If this field is left empty, these schemas should be created in the default catalog. Note that data in other catalogs can still be accessed for model creation by specifying the full name (catalog.schema.table) in the Hightouch SQL interface. Schema: The initial schema to use for the ...
CREATE SCHEMA IF NOT EXISTS CENSUS; GRANT ALL PRIVILEGES ON SCHEMA CENSUS TO `user_you_plan_use_with_pat@yourcompany.com` Sync data To sync Databricks data to a Labelbox dataset after connecting Databricks to Labelbox: On the Workspace settings page, select Integrations. Under Manage integration...
ERROR java.lang.Exception: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.Runtime...