Enum datatype in SQL Server? Error : Arithmetic overflow error converting int to data type numeric. ERROR : Column 'ID' does not belong to table Error : Not a legal OleAut date Error : The login failed. Login failed for user 'IIS APPPOOL\ASP.NET v4.0' ...
2 rows in set (0.00 sec) 上面的这个&符号什么含义我没查到,但我猜测这个&符号的含义就是位运算,当两个数在一个位置都为1时返回true,如果没有一个位置两者都为1则为false。 具体的可以计算下:a,b,c,d分别为0001,0011,1110,1011,此时10为1100,12为1010,可以计算的到上面的结果。其他数字的结果也都符合...
If strict SQL mode is enabled, attempts to insert invalid ENUM values result in an error. If an ENUM column is declared to permit NULL, the NULL value is a valid value for the column, and the default value is NULL. If an ENUM column is declared NOT NULL, its default value is the...
SqlDbType Enum Reference Feedback Definition Namespace: System.Data Assemblies: netstandard.dll, System.Data.Common.dll Specifies SQL Server-specific data type of a field, property, for use in aSqlParameter. C#Copy publicenumSqlDbType Inheritance ...
Namespace: Microsoft.SqlServer.Management.Smo Assembly: Microsoft.SqlServer.Smo.dll Package: Microsoft.SqlServer.SqlManagementObjects v160.2004021.0The SqlDataType specifies the type of the DataType object.C# 复制 public enum SqlDataTypeInheritance Enum SqlDataType ...
SqlEngineType Enum Reference Feedback Definition Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.TransactSql.ScriptDom v161.8901.0 This enum lists the engine type of SQL Server C# 복사 public enum Sql...
13.3.5 The ENUM Type An ENUM is a string object with a value chosen from a list of permitted values that are enumerated explicitly in the column specification at table creation time. See Section 13.3.1, “String Data Type Syntax” for ENUM type syntax and length limits. ...
Specifies SQL Server-specific data type of a field, property, for use in a System.Data.SqlClient.SqlParameter.Fields展開表格 BigInt = 0 A 64-bit signed integer. Binary = 1 Array of type Byte. A fixed-length stream of binary data ranging between 1 and 8,000 bytes. Bit = 2 Boolean...
TimeOfDay time2 = (TimeOfDay) Enum.Parse(typeof(TimeOfDay), "afternoon", true); Console.WriteLine((int)time2);//输出1 <3>得到枚举的某一值对应的名称 lbOne.Text = Enum.GetName(typeof(TimeOfDay), 0); <4>得到枚举的所有的值 foreach (int i in Enum.GetValues(typeof(TimeOfDay))) lbValu...
若是给枚举类型字段指定的默认值,没有在枚举类型值域列表中出现,则会出现SQL语法错误,导致SQL语句执行失败。 d. 修改枚举类型字段定义,尾部追加枚举元素 代码语言:javascript 代码运行次数:0 运行 AI代码解释 root@localhost:mysqlops02:39:27>ALTERTABLEmysqlops_set_enumMODIFYWork_Optionenum(‘DBA’,'SA’,'C++...