SQL Server provides a number of data types that support all types of data that you may want to store. As you may have guessed, data type is an attribute that specifies the type of data that a column can store. It can be an integer, character string, monetary, date and time, and so...
MS SQL Server Data Types String Data Types Data typeDescriptionMax char lengthStorage char(n)Fixed-length non-Unicode character data (n must be between 1 and 8000)8,000n bytes (uses one byte for each character) varchar(n)Variable-length non-Unicode character data (n must be between 1 and...
SQL Server Data Types The data types supported by SQL Server are, Numeric Data Types Data TypeDescription BITcan store single bit (0or1) orNULL TINYINTcan store numbers from0to255 SMALLINTcan store numbers from-32,768to32,767 INTcan store numbers between-2,147,483,648and2,147,483,647 ...
If set to noDescribe, the driver does not attempt to describe SQL parameters to determine the database data type. The driver sends String parameter values to the server based on the setting of the SendStringParametersAsUnicode property. If set to describeIfString, the driver attempts to descri...
Msg 245, Level 16, State 1, Line 3Conversion failed when converting the varchar value ' is not a string.' to data type int. 为了计算表达式@notastring + ' is not a string.',SQL Server 先遵循数据类型优先级的规则来完成隐式转换,然后才能计算表达式的结果。 由于 int的优先级高于 varchar,S...
來源: SQLString.cs 使用指定的字串與地區設定 ID (Locale ID) 值,初始化 SqlString 結構的新執行個體。 C# 複製 public SqlString (string? data, int lcid); 參數 data String 要儲存的字串。 lcid Int32 指定新 SqlString 結構的地理上地區設定和語言。 另請參閱 SQL Server 資料類型和 ADO.NET...
XML Types Collection Types Character String Types: A character string data type is described by a character string data type descriptor. SQL: Fixed-length character string : SQL : Character strings of Varying length Example : A table with columns of fixed and varying length size strings and a ...
This article provides a summary of the different data types available in the SQL Server Database Engine.
SQL Server Data Types nchar, nvarchar Unitcode data types Char & varchar are the string or character data types in SQL Server. We use them to store the string data which includes letters. numbers, symbols, special characters, etc. Char is a fixed width data type while Varchar is a variabl...
SQL Server supports the following string and binary types.Tabel uitvouwen TypeDescription binary and varbinary Binary data types of either fixed length or variable length. Converting data to the binary and varbinary data types is useful if binary data is the easiest way to move around data. ...