GUID is a 16 byte binary SQL Server data type that is globally unique across tables, databases, and servers. The term GUID stands for Globally Unique Identifier and it is used interchangeably with UNIQUEIDENTIF
Data.SqlTypes 程序集: System.Data.Common.dll Source: SQLGuid.cs 表示要存储在数据库中或要从数据库中检索的 GUID。C# 复制 public struct SqlGuid : IComparable, IEquatable<System.Data.SqlTypes.SqlGuid>, System.Data.SqlTypes.INullable, System.Runtime.Serialization.ISerializable, System.Xml....
I want to transform MS SQL Server 2000 data to MySQL for website purposes and visa versa. The RECID field is and "autoincrement" type to generated by the database server. The purpose of the RECKEY field is to be unique between the two databases so it does not matter where the ...
at MySql.Data.MySqlClient.ResultSet.NextRow(CommandBehavior behavior) in E:\M ySQL\mysql-connector-net-6.2.3-src\MySql.Data\Provider\Source\ResultSet.cs:line 210 at MySql.Data.MySqlClient.MySqlDataReader.Read() in E:\MySQL\mysql-connector- net-6.2.3-src\MySql.Data\Provider\Source\datareade...
该文章介绍了一个SQL存储过程`up_Class_InsertEx`,用于在数据库中插入无限级分类记录。它处理顶级分类和非顶级分类的插入,检查重名和父类ID的合法性,并维护分类的层级结构和排序顺序。成功插入返回0,重名或非法父类ID返回1。
因此 “自动编号 GUID”字段只能用 ADOX 或者 DAO 来创建而无法用 JET SQL DDL 语句来创建。 本次测试还证实: 创建“自动编号 长整 随机”字段的代码为 create table [datatype]([c] Autoincrement(1,1) default GenUniqueID()) 创建“GUID”字段并且有默认值的代码为...
如果您发现需要使用Server比较语义对一个数组或Guid列表进行排序，则可以使用SqlGuid数组或列表，它以与...
For a complete list of Integration Services data types and the corresponding Get and Set methods of the PipelineBuffer class to use with each type, see Working with Data Types in the Data Flow. Applies to 產品版本 SQL Server .NET SDK 2016, 2017, 2019 本文...
SQL_C_GUIDThe following table shows the ODBC SQL data types to which GUID C data may be converted. For an explanation of the columns and terms in the table, see Converting Data from C to SQL Data Types.Expand table SQL type identifierTestSQLSTATE SQL_CHAR...
SecurityTaskType SecurityUserRole SecurityUserRoleCondition SecurityUtil SegmentedEntryState SegmentEnteredEventArgs SegmentValueChangedEventArgs SegregationOfDutiesResolution SegregationOfDutiesSeverity Sequence SessionStatus SessionType ShapeType SignDisplay Sizing SkipAOSValidationPermission SqlDataDictionary SqlDataDictiona...