Compare date type value after converting : CONVERT « Data Convert Functions « SQL Server / T-SQL Tutorial






  1. SQL Server / T-SQL Tutorial
  2. Data Convert Functions
  3. CONVERT
3>
4> CREATE TABLE Orders (
5>      OrderID int NOT NULL ,
6>      CustomerID nchar (5) NULL ,
7>      EmployeeID int NULL ,
8>      OrderDate datetime NULL ,
9>      RequiredDate datetime NULL ,
10>     ShippedDate datetime NULL ,
11>     ShipVia int NULL ,
12>     Freight money NULL DEFAULT (0),
13>     ShipName nvarchar (40) NULL ,
14>     ShipAddress nvarchar (60) NULL ,
15>     ShipCity nvarchar (15) NULL ,
16>     ShipRegion nvarchar (15) NULL ,
17>     ShipPostalCode nvarchar (10) NULL ,
18>     ShipCountry nvarchar (15) NULL)
19> GO
1>
2>
3> SELECT * FROM Orders WHERE CONVERT(varchar(12), OrderDate, 101) = CONVERT(varchar(12), GETDATE(), 101)
4> GO
OrderID     CustomerID EmployeeID  OrderDate               RequiredDate            ShippedDate             ShipVia     Freight               ShipName                                 ShipAddress
                                           ShipCity        ShipRegion      ShipPostalCode ShipCountry
----------- ---------- ----------- ----------------------- ----------------------- ----------------------- ----------- --------------------- ---------------------------------------- ------------------
------------------------------------------ --------------- --------------- -------------- ---------------

(0 rows affected)
1>
2> drop table Orders;
3> GO








13.3.CONVERT
13.3.1.CONVERT function syntax
13.3.2.Values for the style argument of the CONVERT function when you convert a datetime expression to a character expression.
13.3.3.select CONVERT (INTEGER , '123')
13.3.4.The syntax of the CONVERT function CONVERT(data_type, expression [, style])
13.3.5.CONVERT(varchar,BillingDate,100) 'Mmm dd yyyy hh:mmdp'
13.3.6.CONVERT(varchar,BillingDate,101) 'mm/dd/yyyy'
13.3.7.CONVERT(varchar,BillingDate,103) 'dd/mm/yyyy'
13.3.8.CONVERT() function requires two arguments: the first for the target data type and the second for the source value.
13.3.9.SELECT 'Default Date: ' + CONVERT(VarChar(50), GETDATE(), 100)
13.3.10.SELECT 'US Date: ' + CONVERT(VarChar(50), GETDATE(), 101)
13.3.11.SELECT 'ANSI Date: ' + CONVERT(VarChar(50), GETDATE(), 102)
13.3.12.SELECT 'UK/French Date: ' + CONVERT(VarChar(50), GETDATE(), 103)
13.3.13.SELECT 'German Date: ' + CONVERT(VarChar(50), GETDATE(), 104)
13.3.14.SELECT CONVERT(VarChar(50), @Num, 0)
13.3.15.CONVERT(datetime, '20000704')
13.3.16.SELECT CONVERT(datetime, '10.12.99',1)
13.3.17.SELECT CONVERT(datetime, '10.12.99',4)
13.3.18.CONVERT(char(10), GETDATE(), 112)
13.3.19.CONVERT(varchar(10), advance, 2)
13.3.20.CONVERT(varchar(20), GETDATE())
13.3.21.The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
13.3.22.CONVERT(char(8), BillingDate, 1) and CONVERT(varchar(9), PaymentTotal, 1)
13.3.23.Conversion failed when converting the varchar value 'abc' to data type int.
13.3.24.CONVERT(varchar(12), OrderDate, 5)
13.3.25.Compare date type value after converting
13.3.26.Use convert function with variables