Databricks SQL Databricks Runtime 12.2 LTS 和更新版本 僅限Unity Catalog 將資料列篩選函數新增至資料表。 All subsequent queries to the table receive a subset of the rows where the function evaluates to boolean TRUE. 這適用於更細緻的存取控制,其中函式可以檢查叫用使用者的身分識別或群組成...
ALTER TABLE では、列と制約を変更、追加、または削除して、テーブルの定義を変更します。 また、ALTER TABLE では、パーティションを再割り当ておよび再構築したり、制約とトリガーを無効化および有効化したりもします。
See CREATE FUNCTION (SQL table) for a description of each option. REPLACE routine-specification Indicates that the existing function definition, including options and parameters, is to be replaced by those specified in this statement. The values of all options are replaced when a function is ...
Indicates that one or more of the options of the function are to be altered. If ALTER FUNCTION ALTERoption-listis specified and an option is not specified, the value from the existing function definition is used. SeeCREATE FUNCTION (SQL Table)for a description of each option. REPLACEroutine-...
( <table_stretch_options> [, ...n] ) } ) } <table_stretch_options> ::= { [ FILTER_PREDICATE = { null | table_predicate_function } , ] MIGRATION_STATE = { OUTBOUND | INBOUND | PAUSED } } <single_partition_rebuild__option> ::= { SORT_IN_TEMPDB = { ON | OFF } | MAXDOP ...
本文分为5个部分,即drop、alter、insert 和analyze、Flink SQL常见的操作示例。 一、DROP DROP 语句可用于删除指定的 catalog,也可用于从当前或指定的 Catalog 中删除一个已经注册的表、视图或函数。 Flink SQL 截至版本Flink 1.17支持以下 DROP 语句: DROP CATALOG DROP TABLE DROP DATABASE DROP VIEW DROP FUNCT...
If you are not the owner of the table, you need the DROP ANY TABLE privilege in order to use the drop_table_partition or truncate_table_partition clause. You must also have space quota in the tablespace in which space is to be acquired in order to use the add_table_partition, modify_...
Oracle® Database SQL言語リファレンス 12cリリース1 (12.1) B71278-13 目次 索引前 次 ALTER TABLE用途 ALTER TABLE文を使用すると、非パーティション表、パーティション表、表パーティションおよび表サブパーティションの定義を変更できます。オブジェクト表またはオブジェクト列を含むリレ...
ALTER TABLE ADD PARTATION SHOW PARTITIONS ALTER TABLE DROP PARTITION ALTER TABLE ADD PARTITION FIELD ALTER TABLE DROP PARTITION FIELD ALTER TABLE SET TBLPROPERTIES ALTER TABLE SET LOCATION ALTER TABLE ... WRITE ORDERED BY ALTER TABLE ... WRITE DISTRIBUTED BY PARTITION ...
( <table_stretch_options> [, ...n] ) } ) } <table_stretch_options> ::= { [ FILTER_PREDICATE = { null | table_predicate_function } , ] MIGRATION_STATE = { OUTBOUND | INBOUND | PAUSED } } <single_partition_rebuild__option> ::= { SORT_IN_TEMPDB = { ON | OFF } | MAXDOP ...