Label:SQL Server often to operate some time type of field conversion, I do not quite remember, so collected some of the following Sqlserverconvertdatetime related information published in their own small station, convenient for their later use when looking for, hope to everyone also helpful.Change the [datetime] field value ' 2007-11-0716:41:35.033 ' to ' 2007-11-0700:00:00 ' for table tables in SQL Server to remove time and seconds. The [datetime] field is for the datetime type OH. UPDATE table
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
Tags: var SQL Server reference format alt man Read mailbox value 1 overview This article focuses on the two functions involved in type conversion in SQL Server: Cast and convert. 2 Specific content 2.1 CAST (1) Role: An expression that converts an expression of one data type to another data type. (2) Definition: 1 CAST as Data_type) Parameters: Expression: Any valid expression that can be converted to data_type ; Data_type: The target data type provi
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
The Convert to Linux commandPowerful convert commandThe convert command can be used to transform the format of images, support jpg, BMP, PCX, GIF, PNG, TIFF, xpm and XWD types, and here are a few examples:Convert xxx.jpg xxx.png convert JPEG to PNG fileConvert xxx.gif xxx.bmp converts GIF to BMP imageConvert Xxx.tiff X
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
Format:Convert(Data_type, expression[, Style])Convert(Varchar, field name,Format type)
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 use and difference of cast and convert in SQL more the/1/ -Source: SQL Learning Tour:14125Learning Tags:cast ConvertSQL This article guide: both cast and convert in SQL are expressions used to convert an expression of one data type to another data type. CASTAndCONVERTprovides similar functionality, except that the syntax is different.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.