DatabaseEncryptionType DatabaseEvent DatabaseEventArgs DatabaseEvents DatabaseEventSet DatabaseEventType DatabaseFile DatabaseFileMappingsDictionary DatabaseMaintenanceAdapter DatabaseMapping DatabaseMirroringPayload DatabaseObjectTypes DatabaseOptions DatabasePerformanceAdapter DatabasePermission DatabasePermissionInfo ...
SqlDbType Fields Expand table NameValueDescription BigInt0 Int64. A 64-bit signed integer. Binary1 Arrayof typeByte. A fixed-length stream of binary data ranging between 1 and 8,000 bytes. Bit2 Boolean. An unsigned numeric value that can be 0, 1, ornull. ...
SqlDataTypeOption Enum Reference Feedback Definition Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.TransactSql.ScriptDom v161.8901.0 These are the possible data types in Sql. The capitalization of names are ...
Entity SQL error : 'CONVERT' cannot be resolved into a valid type or function. 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 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'concat('fem', 'ale') )' at line 1 7、 枚举值数量的限制 枚举值用1-2个字节来存储,因此上限值为2^16-1=65535。
Microsoft.SqlServer.TransactSql.ScriptDom חיפוש Microsoft.SqlServer.TransactSql.ScriptDom Microsoft.SqlServer.TransactSql.ScriptDom AbortAfterWaitType AcceleratedDatabaseRecoveryDatabaseOption AddAlterFullTextIndexAction AddFileSpec AddMemberAlterRoleAction AddSearchPropertyListAction AddSensitivityClas...
问如何在sqlite中使用Date、Enum、blob等数据类型创建表和插入值EN前面文章我们介绍过一些常用数据类型的...
Namespace:MySql.Data.MySqlClient Assembly: MySql.Data.dll Version: 9.3.0 Syntax publicenumMySqlDbType Fields NameDescription Binary Fixed length binary string. Bit Bit-field data type Blob A binary column with a maximum length of 65535 (2^16 - 1) bytes. ...
Describes the type of SQL command used by the SqlDataSource and AccessDataSource controls when performing a database operation.C# 复制 public enum SqlDataSourceCommandTypeInheritance Object ValueType Enum SqlDataSourceCommandType Fields展开表 NameValueDescription Text 0 The text contained in a ...
type: ALL possible_keys: NULL key: NULL key_len: NULL ref: NULL rows: 20017710 Extra: Using where 1 row in set (0.00 sec) 小结: MySQL数据库枚举类型字段没有显式创建索引信息时,即使符合MySQL数据库使用索引条件要求的SQL语句,也无索引信息可用,也即MySQL数据库枚举类型字段值域列表中的存储序列编号...