First, review the syntax format of CONVERT (): convert (Second, here pay attention to the meaning of style: style is the conversion of datatime and smalldatetime data to a string by the SQL Server system provided by the conversion style number, different style numbers have different output formats; Generally in the time type ( Datetime,smalldatetime) and String types (Nchar,nvarchar,char,varchar) are used w
CONVERT (varchar (10), field name, conversion format)CONVERT (nvarchar), count_time,121Convert is a date conversion function, typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)The 3 parameters of the function are used when converting to each other, the 1th parameter is the converted size, the 2nd is the field or function of the conversion date, and the 3rd
CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)DescriptionThis style is typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)It is only used when converting to each other.Statement resultSELECT CONVERT (varchar), GETDATE (), 0) 4:06pmSELECT
The time format normally deposited in the database is yyyy-mm-ddhh:mm:ss if you want to convert to yyyy-mm-dd Short date format. You can use the CONVERT function. The following is a declaration of the CONVERT function in SQL Server Help:Using CONVERT:CONVERT (data_type[(length)],expression[,style])ParametersExpressionIs any valid microsoft®sql Server™ expression.
How to Use substring in oracle Database CONVERT (varchar (12), getdate (), 112), substringgetdate
SqlserverI often need to perform some time-type field conversions, but I don't quite remember it. So I collected the following SqlserverConvertDateTime-related materials and posted them on my own site, it is convenient for you to search for it later. I hope it will be helpful to you.Change the value of the [datetime] field in the table in SQL Server to '
Tags: system val SQL numeric GPO conversion nvarchar diff lisCONVERT (varchar (10), field name, conversion format)Convert is a date conversion function, which is typically used when the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar) are converted to each other. The 3 parameters of the function: The 1th argument is the converted large, the 2nd is the field or function of the converted date, and the 3rd is the conve
Use convert in SQL server2000 to get the datetime data type style (full)Processing of date data formats, two examples:CONVERT (varchar (16), time one, 20) results: 2007-02-01 08:02/* time is generally a field in the GETDATE () function or data table */CONVERT (varchar (10), time one, 23) Result: 2007-02-01/*varchar (10) represents the format of the date output, which can occur if not long enough */Statement
Powerful convert commands
The convert command can be used to convert the image format. jpg, BMP, PCX, GIF, PNG, Tiff, XPM, and xwd types are supported. The following is an example:
Convert xxx.jpg xxx.png convert jpeg to PNG file
Convert
How to Use CONVERT:
Format:CONVERT (data_type, expression [, style])Note:This style is generally in the time type (datetime, smalldatetime) and string type (nchar, nvarchar, char, varchar)It is used only when they are converted to each other.Example:Select convert (varchar (30), getdate (), 101) nowResult:Now---------------------------------------09/15/2001
The meaning of the style number in the conversion
Let's look at the vocabulary method first The code is as follows:Copy code CONVERT (data_type (length), data_to_be_converted, style) Example 1 The code is as follows:Copy code Select convert (varchar (30), getdate (), 101) now Result:Now---------------------------------------| 03/8/2013Example 2 The code is as follows:Copy code 1> select CONVERT
How to use CONVERT :
////////////////////////////////////////////////////////////////////////////////////////
Format:CONVERT (Data_type,expression[,style])
DescriptionThis style is generally in the type of time (datetime,smalldatetime) and String type (Nchar,nvarchar,char,varchar)When they are converted to each other.
Example:SELECT CONVERT (varchar), GETDATE (), () nowResult isNow----------------------
Syntax format:CONVERT (Data_type,expression[,style])Description: This style is typically in time type (datetime,smalldatetime) and String type (Nchar,nvarchar,char,varchar)It is only used when converting to each other.Example:SELECT CONVERT (varchar (+), GETDATE (), 101) NowResult isNow---------------------------------------09/15/2001The style number has the following meaning when converting time: The style value that can be used.
Style
This article mainly introduces the SQL time format output, convert function application, the need for friends can refer to the
This article mainly introduces the SQL time format output, convert function application, the need for friends can refer to the
Detailed references: Select CONVERT (varchar), GETDATE (), 0): 2006 10:57am
Select
Tags: lda convert lld date datetime reciprocal varchar res timeCONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format) DescriptionThis style is typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)It is only used when converting to each other. Statement resultSELECT CONVERT (varch
of the decimal point are separated by commas (,). The two digits on the right of the decimal point, for example, 3,510.92.2. Each three digits on the left of the decimal point are not separated by commas. Four digits are used on the right of the decimal point, for example, 4235.9819.
Use convert:
Convert (data_type [(length)], expression [, style])
Select convert
Format:Convert (data_type, expression [, style])
Note:This style is generally in the time type (datetime, smalldatetime) and string type (nchar, nvarchar, Char, varchar)It is used only when they are converted to each other.
Statement and query result:Select convert (varchar (100), getdate (), 0): 05 16 2006 AMSelect convert (varchar (100), getdate (), 1): 05/16/06Select
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