oracle分区

createTABLE TABLE1

(

TABLE_ID NUMBER(8),

SUB_DATE DATE,

VALUENUMBER(8)

 

)

PARTITIONBYRANGE(SUB_DATE)

INTERVAL(NUMTOYMINTERVAL(1，'MONTH'))

(

PARTITION P1 VALUESLESSTHAN(TO_DATE('2014-05-01','YYYY-MM-DD'))

);

2014年5月1日前的数据会放入p1分区，5月1日后的数据每月只要有数据，就会自动创建一个分区。

INTERVAL (numtodsinterval(1,'DAY'))—按天分区

------------------------------------打卡记录表分区

createtable TB_GJ_CARDRECORD

(

c_oid_cardrecord NUMBER(19) notnull,

c_empid NUMBERnotnull,

c_kqdatetime DATE,

c_kqtime VARCHAR2(64),

c_datatypeid NUMBER,

c_oprtid NUMBER,

c_iskoukuan VARCHAR2(64),

c_remark VARCHAR2(512),

c_resultmark VARCHAR2(512),

c_ismodified VARCHAR2(64),

c_devid NUMBER,

c_hardwarerecordid NUMBER,

c_recid NUMBER

)

partitionbyrange (C_KQDATETIME)

INTERVAL(NUMTOYMINTERVAL(1，'MONTH'))

(

PARTITION P1 VALUESLESSTHAN(TO_DATE('2014-05-01','YYYY-MM-DD'))

tablespace IC_MIDEA

pctfree10

initrans1

maxtrans255

storage

(

initial64K

next1M

minextents1

maxextentsunlimited

)

);

-- Add comments to the table

commentontable TB_GJ_CARDRECORD

is'打卡明细表';

-- Add comments to the columns

commentoncolumn TB_GJ_CARDRECORD.c_oid_cardrecord

is'记录号

';

commentoncolumn TB_GJ_CARDRECORD.c_empid

is'人员ID

';

commentoncolumn TB_GJ_CARDRECORD.c_kqdatetime

is'考勤日期

';

commentoncolumn TB_GJ_CARDRECORD.c_kqtime

is'考勤时间 ';

commentoncolumn TB_GJ_CARDRECORD.c_datatypeid

is'数据类型1：正常刷卡(缺省)2：手工签卡

';

commentoncolumn TB_GJ_CARDRECORD.c_oprtid

is'操作员

';

commentoncolumn TB_GJ_CARDRECORD.c_iskoukuan

is'是否扣款

';

commentoncolumn TB_GJ_CARDRECORD.c_remark

is'备注

';

commentoncolumn TB_GJ_CARDRECORD.c_resultmark

is'结果标记

';

commentoncolumn TB_GJ_CARDRECORD.c_ismodified

is'是否修改

';

commentoncolumn TB_GJ_CARDRECORD.c_devid

is'设备ID

';

commentoncolumn TB_GJ_CARDRECORD.c_hardwarerecordid

is'卡机记录ID

';

commentoncolumn TB_GJ_CARDRECORD.c_recid

is'原记录ID

';

-- Create/Recreate primary, unique and foreign key constraints

altertable TB_GJ_CARDRECORD

addconstraint PK_TB_GJ_CARDRECORD_OID primarykey (C_OID_CARDRECORD)

usingindex

tablespace IC_MIDEA

pctfree10

initrans2

maxtrans255

storage

(

initial64K

next1M

minextents1

maxextentsunlimited

);

-- Create/Recreate indexes

createindex PK_C_EMPID on TB_GJ_CARDRECORD (C_EMPID)

tablespace IC_MIDEA

pctfree10

initrans2

maxtrans255

storage

(

initial64K

next1M

minextents1

maxextentsunlimited

);

createindex PK_C_KQDATETIME on TB_GJ_CARDRECORD (C_KQDATETIME)

tablespace IC_MIDEA

pctfree10

initrans2

maxtrans255

storage

(

initial64K

next1M

minextents1

maxextentsunlimited

);

createindex PK_C_KQTIME on TB_GJ_CARDRECORD (C_KQTIME)

tablespace IC_MIDEA

pctfree10

initrans2

maxtrans255

storage

(

initial64K

next1M

minextents1

maxextentsunlimited

);

createindex PK_EMPID_KQDATETIME on TB_GJ_CARDRECORD (C_EMPID, C_KQDATETIME)

tablespace IC_MIDEA

pctfree10

initrans2

maxtrans255

storage

(

initial64K

next1M

minextents1

maxextentsunlimited

);

删除分区表中的分区

alter table tablename  drop partition partname;

alter table tb_gj_cardrecord drop partition SYS_P81;