ALTER TABLE PARTITION modifies table partitioning, including adding, deleting, splitting, merging partitions, and modifying partition attributes.The name of the added par
create table toys_partitioned ( toy_name varchar2(10), weight number, colour varchar2(10) ) partition by list ( colour ) partitions ( partition p_green values ( 'green' ), partition p_red values ( 'red' ), partition p_blue values ( 'blue' ) );Each...
方式一:通过ALTER TABLE table_name partition_options命令实现转换 示例:将orders分区表转换成INTERVAL RANGE分区表。 CREATE TABLE orders( orderkey BIGINT NOT NULL, custkey BIGINT NOT NULL, orderdate DATE NOT NULL ) PARTITION BY RANGE(orderkey) ( PARTITION p0 VALUES LESS THAN(10000000) ); ALTER ...
partition_name , partition_nameINTOSUBPARTITION new_part [TABLESPACEtablespace_name] ; 参数 示例 创建一个名为sales的分区表,并在表中插入测试数据,示例如下: CREATE TABLE sales ( dept_no number, part_no varchar2, country varchar2(20), date date, amount number ) PARTITION BY LIST(country) SUBPART...
ALTER TABLE 更新时间:2025-01-20 23:00:01 编辑 描述 该语句用来修改已存在的表的结构,例如修改表及表属性、新增列、修改列及属性、删除列等。 语法 alter_table_stmt:ALTERTABLEtable_name alter_table_action_list;alter_table_action_list: alter_table_action[,alter_table_action...]alter_table_action:...
PARTITION FUNCTION PARTITION SCHEME PROCEDURE QUEUE REMOTE SERVICE BINDING RESOURCE GOVERNOR RESOURCE POOL ROLE ROUTE SCHEMA SEARCH PROPERTY LIST SECURITY POLICY SEQUENCE SERVER AUDIT SERVER AUDIT SPECIFICATION SERVER CONFIGURATION SERVER ROLE SERVICE SERVICE MASTER KEY SYMMETRIC KEY TABLE TABLE column_constraint...
ALTER TABLE modifies a table definition by altering, adding, or dropping columns and constraints. ALTER TABLE also reassigns and rebuilds partitions, or disables and enables constraints and triggers.
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 INTO INSERT OVERWRITE DIRECTORY INSERT OVERWRITE DIRECTORY 使用 Hive 格式 LOAD DATA EXPLAIN CLUSTER BY 子句 ...
ALTER TABLE table_name SPLIT PARTITION partition_name AT (range_part_value) INTO ( PARTITION new_part1 [TABLESPACE tablespace_name], PARTITION new_part2 [TABLESPACE tablespace_name] ); 第二種形式用於將LIST分區劃分為兩個分區。 ALTER TABLE table_name SPLIT PARTITION partition_name VALUES (value[...
ALTERTABLEGROUP tablegroup_nameADD[TABLE]table_name[,table_name...]; 修改表组的分区规则。 ALTERTABLEGROUP tablegroup_name alter_tg_partition_option;alter_tg_partition_option:DROPPARTITIONpartition_name[,partition_name...]|ADDPARTITIONopt_range_partition_list|modify_tg_partition_info ...