sql convert varchar to float example

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

ConvertExplicitly converts a data type expression to another data type. Because some requirements often use different date formats, the following can be found inFormat the date in SQL Server. SQL Server supports the data format in the Arabic style

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

CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format) DescriptionThis style is generally in the type of time (datetime,smalldatetime) and String type (Nchar,nvarchar,char,varchar)When they are converted to each

Convert function [data type conversion] -------------------------------------------------------------------------------- FunctionReturns the expression converted to the provided data type. SyntaxConvert (data type, expression [, format-style])

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

Original: http://www.2cto.com/database/201310/250880.htmlSQL cast and CONVERT usage detailed   Summary: The following applies only to Mysqlselect {fn CONCAT (CONVERT (User_id,char), user_name)} as Str from T_SYS_ User following this applies only to

/****** Export to excelEXEC master.. xp_mongoshell 'bcp SettleDB. dbo. shanghu out c:/temp1.xls-c-q-S "GNETDATA/GNETDATA"-U "sa"-P ""' /*********** Import ExcelSELECT *FROM OpenDataSource ('Microsoft. Jet. OLEDB.4.0 ','Data Source = "c:/test.xls";

In the project, the float type is used to define some columns, such as price, but many problems are found.1. When the number of bits on the value is greater than 6, the float type is converted to the varchar type, which is displayed in the

SyntaxUse CAST: CAST (expression AS data_type) Use CONVERT: CONVERT (data_type [(length)], expression [, style]) ParametersExpression Is any valid Microsoft SQL Server "expression. For more information, see expressions. Data_type The data types