SQL查詢月、天、周、年(MySql的例項對比)
1
2/**//*計算今天是星期幾*/
3select datename(weekday,getdate())
4
5/**//*查詢本年的資料*/
6select * from users where year(time)=year(getdate())
7
8/**//*查詢本月的資料,time是表users中代表時間的欄位*/
9select * from users where month(time)=month(getdate()) and year(time)=year(getdate())
10
11/**//*查詢今天的資料,time 是表中代表時間的欄位*/
12select * from users where day(time)=day(getdate()) and month(time)=month(getdate()) and year(time)=year(getdate())
13
14
15/**//*計算那一天是星期一*/
16SELECT DATEADD(wk, DATEDIFF(wk,0,getdate()), 0)
17
18/**//*計算那一天是週末*/
19select dateadd(wk,datediff(wk,0,getdate()),6)
20
21/**//*查詢本週的資料*/
22select * from users where DATEPART(wk, time) = DATEPART(wk, GETDATE()) and DATEPART(yy, time) = DATEPART(yy, GETDATE())
23
24
25/**//*查詢本日的記錄*/
26select * from users where (DATEDIFF(dd, time, GETDATE()) = 0)
27
28/**//*查詢本月的記錄*/
29select * from users where (DATEDIFF(mm, time, GETDATE()) = 0)
30
31/**//*查詢本年的記錄*/
32select * from users where (DATEDIFF(yy, time, GETDATE()) = 0)在MySql中實現:
1 1——
2 本年:
3 select * from loanInfo where year(date)=year(getdate())
4
5 2——
6 本月:
7 select * from loanInfo where year(date)=year(getDate()) And month(date)=month(getdate())
8
9 3——
10 本日:
11 select * from loanInfo where year(date)=year(getDate()) And month(date)=month(getdate()) and Day(date)=Day(getDate())
12
13
14
15SELECT * FROM table WHERE (MONTH(欄位) = MONTH(GETDATE()))
2/**//*計算今天是星期幾*/
3select datename(weekday,getdate())
4
5/**//*查詢本年的資料*/
6select * from users where year(time)=year(getdate())
7
8/**//*查詢本月的資料,time是表users中代表時間的欄位*/
9select * from users where month(time)=month(getdate()) and year(time)=year(getdate())
10
11/**//*查詢今天的資料,time 是表中代表時間的欄位*/
12select * from users where day(time)=day(getdate()) and month(time)=month(getdate()) and year(time)=year(getdate())
13
14
15/**//*計算那一天是星期一*/
16SELECT DATEADD(wk, DATEDIFF(wk,0,getdate()), 0)
17
18/**//*計算那一天是週末*/
19select dateadd(wk,datediff(wk,0,getdate()),6)
20
21/**//*查詢本週的資料*/
22select * from users where DATEPART(wk, time) = DATEPART(wk, GETDATE()) and DATEPART(yy, time) = DATEPART(yy, GETDATE())
23
24
25/**//*查詢本日的記錄*/
26select * from users where (DATEDIFF(dd, time, GETDATE()) = 0)
27
28/**//*查詢本月的記錄*/
29select * from users where (DATEDIFF(mm, time, GETDATE()) = 0)
30
31/**//*查詢本年的記錄*/
32select * from users where (DATEDIFF(yy, time, GETDATE()) = 0)在MySql中實現:
1 1——
2 本年:
3 select * from loanInfo where year(date)=year(getdate())
4
5 2——
6 本月:
7 select * from loanInfo where year(date)=year(getDate()) And month(date)=month(getdate())
8
9 3——
10 本日:
11 select * from loanInfo where year(date)=year(getDate()) And month(date)=month(getdate()) and Day(date)=Day(getDate())
12
13
14
15SELECT * FROM table WHERE (MONTH(欄位) = MONTH(GETDATE()))
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