参数说明 IF NOT EXISTS 如果已经存在相同名称的表,不会抛出一个错误,而会发出一个通知,告知表关系已存在。 partition_table_name 分区表的名称。 取值范围:字符串,要符
CREATE TABLE test_range1( id INT, info VARCHAR(20) ) PARTITION BY RANGE (id) ( PARTITION p1 VALUES LESS THAN (200) TABLESPACE tbs_test_range1_p1, PARTITION p2 VALUES LESS THAN (400) TABLESPACE tbs_test_range1_p2, PARTITION p3 VALUES LESS THAN (600) TABLESPACE tbs_test_range1_p3, ...
PARTITIONBYRANGE(l_shipdate) (STARTING ('1/1/1992') ENDING ('12/31/1992') EVERY1MONTH) CREATETABLEsales(invoice_date date, inv_monthintNOTNULLGENERATED ALWAYSAS(month(invoice_date)), inv_yearINTNOTNULLGENERATED ALWAYSAS(year(invoice_date)), item_idintNOTNULL, cust_idintNOTNULL) PARTITION...
CREATE TABLE partitioned_table ( id NUMBER, data_date DATE, data_value NUMBER ) PARTITION BY RANGE (data_date) ( PARTITION p1 VALUES LESS THAN (TO_DATE('2022-01-01', 'YYYY-MM-DD')), PARTITION p2 VALUES LESS THAN (TO_DATE('2023-01-01', 'YYYY-MM-DD')), PARTITION p3 VALUES LES...
PARTITION [partition_name] VALUES (value[, value]...) [TABLESPACE tablespace_name] [(subpartition, ...)] Range partitioning syntax The second form is to create a range-partitioned table: CREATE TABLE [ schema. ]table_name table_definition PARTITION BY RANGE(column[, column ]...) [SUBPARTI...
CREATE TABLE part_test ( prod_id NUMBER(6), cust_id NUMBER, time_id DATE, channel_id CHAR(1), promo_id NUMBER(6), quantity_sold NUMBER(3), amount_sold NUMBER(10,2) ) PARTITION BY RANGE (time_id) SUBPARTITION BY HASH (cust_id) SUBPARTITIONS 4 ( PARTITION sales_q1_2006 VALUES LE...
1. To create a range partitioned table: CREATE TABLE table_name table_definition PARTITION BY RANGE {(expr) | COLUMNS(column_list)} ( PARTITION [partition_name_1] VALUES LESS THAN (value_1), PARTITION [partition_name_2] VALUES LESS THAN (value_2), ...
CREATETABLEmy_table(idINT,name STRING)PARTITIONEDBY(ageINT); 1. 2. 3. 4. 这个代码片段在创建表的同时,使用PARTITIONED BY关键字来定义了一个名为age的分区字段。 加载数据 现在,我们已经创建了分区表结构,接下来需要将数据加载到表中。假设我们的数据文件是以逗号分隔的文本文件,每一行包含了id、name和ag...
CREATE [EXTERNAL] TABLE <table_name> (<col_name> <data_type>, <col_name> <data_type>, ...) PARTITIONED BY RANGE (<partition_key> <data_type>, ...) (PARTITION [<partition_name>] VALUES LESS THAN (<cutoff>), [PARTITION [<partition_name>] VALUES LESS THAN (<cutoff>), ...
This example shows a simple table partitioned by key, with 4 partitions: CREATE TABLE tk (col1 INT, col2 CHAR(5), col3 DATE) PARTITION BY KEY(col3) PARTITIONS 4; For tables that are partitioned by key, you can employ linear partitioning by using the LINEAR keyword. This has the ...