Oracle 日期时间范围查询

/* 日期时间范围查询 */---------- 创建日期时间测试表-----------------------------------------------------------
create table testdatetime(ID integer not null primary KEY,createdate  CHAR(10)  NULL,startdate DATE NULL,enddate DATE NULL,buydate  CHAR(10)  NULL,usedate  varchar2(20)  NULL
) ;
------------------------ 日期时间范围查询 ------------------------------------SELECT t.*,t.ROWID FROM testdatetime t ;--字段为：字符串类型（char），长度为:10
SELECT * FROM testdatetime t WHERE 1=1 AND t.createdate = '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND t.createdate > '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND t.createdate < '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND t.createdate >= '2011-06-01' AND t.createdate <= '2011-07-05';SELECT * FROM testdatetime t WHERE 1=1 AND to_date(t.createdate,'yyyy-MM-dd') between to_date('2011-06-01','yyyy-MM-dd') and to_date('20110705','yyyymmdd') ;-------------------------------------------------------------------
SELECT t.*,t.ROWID FROM testdatetime t ;--字段为：字符串类型（char），长度为:20
SELECT * FROM testdatetime t WHERE 1=1 AND t.usedate = '2011-07-01 10:00:00';SELECT * FROM testdatetime t WHERE 1=1 AND t.usedate > '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND t.usedate < '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND t.usedate >= '2011-06-01' AND t.usedate <= '2011-07-05';SELECT * FROM testdatetime t WHERE 1=1 AND to_date(t.usedate,'yyyy-MM-dd HH24:MI:SS') between to_date('2011-07-01 12:00:00','yyyy-MM-dd HH24:MI:SS') and to_date('20110702 12:00:00','yyyymmdd HH24:MI:SS') ;-------------------------------------------------------------------------
SELECT t.*,t.ROWID FROM testdatetime t ;--字段为：日期时间类型（date）
SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate = to_date('2011-07-01','yyyy-MM-dd');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate > to_date('2011-07-01','yyyy-MM-dd');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate < to_date('2011-07-01','yyyy-MM-dd');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate >= to_date('2011-07-01','yyyy-MM-dd') AND t.startdate <= to_date('2011-07-02','yyyy-MM-dd');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate between to_date('2011-07-01','yyyy-MM-dd') AND to_date('2011-07-02','yyyy-MM-dd');----------------------
SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate = to_date('2011-07-01 12:00:00','yyyy-MM-dd HH24:MI:SS');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate > to_date('2011-07-01 12:00:00','yyyy-MM-dd HH24:MI:SS');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate < to_date('2011-07-01 12:00:00','yyyy-MM-dd HH24:MI:SS');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate >= to_date('2011-07-01 01:00:00','yyyy-MM-dd HH24:MI:SS') AND t.startdate <= to_date('2011-07-01 23:00:00','yyyy-MM-dd HH24:MI:SS');SELECT * FROM testdatetime t WHERE 1=1 AND t.startdate between to_date('2011-07-01 01:00:00','yyyy-MM-dd HH24:MI:SS') AND to_date('2011-07-01 23:00:00','yyyy-MM-dd HH24:MI:SS');-----------------------
SELECT * FROM testdatetime t WHERE 1=1 AND to_char(t.startdate,'yyyy-MM-dd') = '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND to_char(t.startdate,'yyyy-MM-dd') > '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND to_char(t.startdate,'yyyy-MM-dd') < '2011-07-01';SELECT * FROM testdatetime t WHERE 1=1 AND to_char(t.startdate,'yyyy-MM-dd') >= '2011-07-01' AND to_char(t.startdate,'yyyy-MM-dd') <= '2011-07-02';SELECT * FROM testdatetime t WHERE 1=1 AND to_char(t.startdate,'yyyy-MM-dd') between '2011-07-01' AND  '2011-07-02';

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