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...
IndexType IndexTypeKind InlineDerivedTable InlineFunctionOption InlineResultSetDefinition InPredicate InsertBulkColumnDefinition InsertBulkStatement InsertMergeAction InsertOption InsertSource InsertSpecification InsertStatement IntegerLiteral InternalOpenRowset IPv4 IsolationLevel JoinHint JoinParenthesisTableReference JoinTab...
0); <4>得到枚举的所有的值 foreach (int i in Enum.GetValues(typeof(TimeOfDay))) lbValues.Text += i.ToString(); <5>枚举所有的名称 foreach(string temp in Enum.GetNames(
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...
Learn more about the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom.SqlTriggerActionType in the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom namespace.
A SQL Server user-defined type (UDT). Structured30 A special data type for specifying structured data contained in table-valued parameters. Date31 Date data ranging in value from January 1,1 AD through December 31, 9999 AD. Time32
A SQL Server user-defined type (UDT). Structured30 A special data type for specifying structured data contained in table-valued parameters. Date31 Date data ranging in value from January 1,1 AD through December 31, 9999 AD. Time32
If strict SQL mode is enabled, attempts to insert invalidENUMvalues result in an error. If anENUMcolumn is declared to permitNULL, theNULLvalue is a valid value for the column, and the default value isNULL. If anENUMcolumn is declaredNOT NULL, its default value is the first element of ...
1 row in set (0.00 sec) mysql> update userinfo set type=30; Query OK, 115598 rows affected (2.70 sec) Rows matched: 115598 Changed: 115598 Warnings: 0 mysql> select concat(round(sum(data_length/1024/1024),3),'MB') as data_size, ...