摘要:递归查询,记录一下,CREATETABLE[abc]([id][int]NULL,[pid][int]NULL,[name][nchar](10))GOINSERTINTO[abc]VALUES(1,a)INSERTINTO[abc]VALUES(2,b)INSERTINTO[abc]V
1、by range
示例:
–手台轨迹表
CREATE TABLE HandSetTrack(
recordID VARCHAR2(36) NOT NULL,
HandSetID VARCHAR2(36) NOT NULL,
longitude VARCHAR2(128) NOT NULL,
latitude VARCHAR2(128) NOT NULL,
recordTime DATE DEFAULT sysdate,
CONSTRAINT PK_HandSetTrack PRIMARY KEY (recordID)
)
partition by range(recordTime)
interval(numtoymInterval(1,MONTH))
(
partition handset_trace_deadData values less than(to_date(2017-07-25,yyyy-mm-dd))
)
2、by hash
示例:
–车台轨迹表
CREATE TABLE CarSetTrack(
recordID VARCHAR2(36) NOT NULL,
CarSetID VARCHAR2(36) NOT NULL,
CONSTRAINT PK_CarSetTrack PRIMARY KEY (recordID)
)
partition by hash(CarSetID)
(
partition carset_trace_001,
partition carset_trace_002,
partition carset_trace_003,
partition carset_trace_004,
partition carset_trace_005,
partition carset_trace_006,
partition carset_trace_007,
partition carset_trace_008,
partition carset_trace_009,
partition carset_trace_010
)
3、查看分区
select table_name,partition_name from user_tab_partitions;
SELECT * FROM ALL_PART_TABLES WHERE TABLE_NAME = CARSETTRACK
4、删除分区
ALTER TABLE HANDSETTRACK DROP PARTITION PART_01
5、删除表
drop table HandSetTrack drop table CarSetTrack purge recyclebin
总结
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