sql查询不重复的记录
@汲斧2752:sql 查询不重复记录 -
尹亮18071728817…… SQL查询不重复记录,操作如下:1、假如要查询t1表中name字段中所有的姓名,并去除重复.2、可以使用如下语句:SELECT DISTINCT name FROM t1;3、其中DISTINCT是去重功能.
@汲斧2752:如何用sql语句查询表中某列不重复的所有项 -
尹亮18071728817…… select distinct colunmName from table
@汲斧2752:sql查询不重复记录 -
尹亮18071728817…… distinctsql = "select name1,num9,money9,posttime1,distinct(dh1) as DH1 from sp_shop0 "
@汲斧2752:sql语句如何查询不重复记录 -
尹亮18071728817…… select distinct [name] from (select * from [table] order by scroe) as T
@汲斧2752:查询某字段不重复记录的SQL语句该怎么写 -
尹亮18071728817…… SELECT * FROM test WHERE (某字段 IN (SELECT 某字段 FROM test GROUP BY 某字段 HAVING COUNT(1) = 1))
@汲斧2752:sql 查询不重复的记录 -
尹亮18071728817…… select uid, max(convert(varchar(10),time,120)) as time from table where time>'2009-11-29' and time
@汲斧2752:sql 如何查询数据表中某个字段不重复记录 并将主键查询出来 -
尹亮18071728817…… select * from tabname where colname in ( select colname from tabname group by colname having count(1) = 1)
@汲斧2752:求一SQL语句 查询多条不重复记录值 -
尹亮18071728817…… select distinct id from 表名 distinct是过滤掉重复的记录
@汲斧2752:sql查找不重复记录 -
尹亮18071728817…… 用 Distinct 子句呀 select distinct * from [yourtable] 或 select distinct [字段名1],[字段名2] from [yourtable]
@汲斧2752:SQL查询结果不显示重复记录 -
尹亮18071728817…… select * from 表copy1 not exists (select 1 from 表2 where 表1.id=表2.id) union all select * from 表2 not exists (select 1 from 表1 where 表1.id=表2.id)首先查询表1中去除与表2重复的数据,然后查询出表2中去除表1重复的数据,然后拼接起来这两部分数据,不过你要保证你的表1和表2的字段名都相同
尹亮18071728817…… SQL查询不重复记录,操作如下:1、假如要查询t1表中name字段中所有的姓名,并去除重复.2、可以使用如下语句:SELECT DISTINCT name FROM t1;3、其中DISTINCT是去重功能.
@汲斧2752:如何用sql语句查询表中某列不重复的所有项 -
尹亮18071728817…… select distinct colunmName from table
@汲斧2752:sql查询不重复记录 -
尹亮18071728817…… distinctsql = "select name1,num9,money9,posttime1,distinct(dh1) as DH1 from sp_shop0 "
@汲斧2752:sql语句如何查询不重复记录 -
尹亮18071728817…… select distinct [name] from (select * from [table] order by scroe) as T
@汲斧2752:查询某字段不重复记录的SQL语句该怎么写 -
尹亮18071728817…… SELECT * FROM test WHERE (某字段 IN (SELECT 某字段 FROM test GROUP BY 某字段 HAVING COUNT(1) = 1))
@汲斧2752:sql 查询不重复的记录 -
尹亮18071728817…… select uid, max(convert(varchar(10),time,120)) as time from table where time>'2009-11-29' and time
@汲斧2752:sql 如何查询数据表中某个字段不重复记录 并将主键查询出来 -
尹亮18071728817…… select * from tabname where colname in ( select colname from tabname group by colname having count(1) = 1)
@汲斧2752:求一SQL语句 查询多条不重复记录值 -
尹亮18071728817…… select distinct id from 表名 distinct是过滤掉重复的记录
@汲斧2752:sql查找不重复记录 -
尹亮18071728817…… 用 Distinct 子句呀 select distinct * from [yourtable] 或 select distinct [字段名1],[字段名2] from [yourtable]
@汲斧2752:SQL查询结果不显示重复记录 -
尹亮18071728817…… select * from 表copy1 not exists (select 1 from 表2 where 表1.id=表2.id) union all select * from 表2 not exists (select 1 from 表1 where 表1.id=表2.id)首先查询表1中去除与表2重复的数据,然后查询出表2中去除表1重复的数据,然后拼接起来这两部分数据,不过你要保证你的表1和表2的字段名都相同