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 conversion time of a style number is as follows:
format:
CONVERT (Data_type,expression[,style])
Description:This 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 (), () now
The results are:
Now
---------------------------------------
|09/15/2001
The style number has the following meanings when converting time:
Asp tutorial. net SQL server date and time format convert conversionOn the client, you can use the tostring () method for formatting:Datetime. now. tostring ("d") returns the standard date format.Datetime. now. tostring ("mm dd, yy") returns the Chinese date format: April 13Datetime. now. tostring ("hh: mm") return time:Parameters can be freely combined to meet the requirements.Format when binding:The htmlencode attribute
This style is generally used only when the time type (datetime, smalldatetime) and string type (nchar, nvarchar, char, varchar) are converted to each other.
This style is generally used only when the time type (datetime, smalldatetime) and string type (nchar, nvarchar, char, varchar) are converted to each other.
Format:
CONVERT (data_type, expression [, style])
Note:This style is generally in the time type (datetime, smalldatetime) and string ty
format:
CONVERT (Data_type,expression[,style])
Description:This 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 (), () now
The results are:
Now
---------------------------------------
09/15/2001
The style number has the following meanings when converting time:
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
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 '
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
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
First, we will see an introduction to the convert function on the official website, that is, the CONVERT () function converts a date to a common function of the new data type and CONVERT () functions can display date and time data in different formats.
First, we will see an introduction to the convert function on the o
The main description is that SQL Server uses convert to obtain datetime date data in the actual operation process, in the actual operation with the SQL Server database using convert to get datetime date data, the following instance contains a variety of date format conversions.Statements and Query results:
Select CONVERT (varchar), GETDATE (), 0): 2006 1
Processing of date data format:
Result of convert (varchar (16), time 1, 20): 2007-02-01 08: 02
Result of convert (varchar (10), time 1, 23): 2007-02-01
Statement and query result:Select convert (varchar (100), getdate (), 0): 05 16 2006 AMSelect convert (varchar (100), getdate (), 1): 05/16/06Select
Convert function [data type conversion]
--------------------------------------------------------------------------------
FunctionReturns the expression converted to the provided data type.
SyntaxConvert (data type, expression [, format-style])
ParametersThe data type expression is converted to the data type.
The expression to be converted.
Format-style: for the conversion process that converts a string to the date or time data type and the
Today, I encountered the problem of converting the date field. After the problem was solved with the help of SQL king, I found the relevant materials on the Internet to learn!SqlDataSource1.SelectCommand = "SELECT ***** '+ RIGHT (XkzSqs. QYMC, LEN (XkzSqs. QYMC)-4) AS requirement enterprise name, XkzSqsSb. SBMC as device name, XkzSqsSb. GGXH as specification model, XkzSqsSb. SL as quantity, CONVERT (nvarchar (10), XkzSqsSb. GZRQ, 126) as date of purch
How to use convert:
Format:
CONVERT (Data_type,expression[,style])
Description
This 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 (), () now
Result is
Now
---------------------------------------
09/15/2001
The style n
CONVERT function format in SQL:CONVERT (data_type, expression [, style])Parameter description:ExpressionIs any valid Microsoft® SQL Server™ expression ..Data_typeThe data types provided by the target system, including bigint and SQL _variant. User-defined data types cannot be used.LengthOptional parameters of the nchar, nvarchar, char, varchar, binary, or varbinary data type.StyleDate format style, which converts datetime or smalldatetime da
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 */Statements and Query results:Select CONVERT (varchar), GETDATE (), 0): 2006 10:57
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
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