Subclause 9.12, , "Grouping operations": Conformance Rules Without Feature S024, "Enhanced structured types", in conforming SQL language, the declared type of an operand of a grouping operation shall not be ST-ordered. Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as ...
MSSQLServer中的系统表sysobjects中记录了当前系统中定义的对象,其中xtype字段等于U的记录为表定义,因此取得当前数据库中所有表定义的SQL语句如下: SELECT name FROM sysobjects where xtype='U' 取得指定Schema下的表 MSSQLServer中的系统表sysobjects中记录了当前系统中定义的对象,其中xtype字段等于U的记录为表定义,...
IDictionary<string, DbType>map=newDictionary<string, DbType>(); map.Add("BigInt", DbType.Int64); map.Add("Binary", DbType.Binary); map.Add("Bit", DbType.Boolean); map.Add("Char", DbType.String); ...
MSSQL SQLITE 一、C# vs SQLite: C# SQLite 字段名 类型 库类型 GetFieldType(#) 转换 备注 F_BOOL bool BIT NOT NULL Boolean F_BOOL_NULL bool? BIT Boolean F_SBYTE sbyte I
Type> <xsd:simpleType name="bit"> <xsd:restriction base="xsd:boolean"/> </xsd:simpleType> <xsd:simpleType name="float"> <xsd:restriction base="xsd:double"/> </xsd:simpleType> <xsd:simpleType name="real"> <xsd:restriction base="xsd:float"/> </xsd:simpleType> <xsd:simpleType ...
type> | <collection type> ... <collection type> ::= <array type> | <multiset type> ... Conformance Rules Without Feature S281, "Nested collection types", conforming SQL language shall not contain a collection type that is based on a <data type> that contains a <collection type...
If MSSQL type bit should be mapped, it certainly should be on bit/varbits : https://www.postgresql.org/docs/12/datatype-bit.html boolean type is 1 byte wide. Semantically, bits words should be mapped to bit not to boolean nor to tinyint. To be more clear, bit to boolean operation...
<value expression> AS <path-resolved user-defined type name> Subclause 11.60, "<SQL-invoked routine>": <parameter type> ::= <data type> [ <locator indication> ] <locator indication> ::= AS LOCATOR Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follows: ...
log('mssql disconnected')}) }}) options.instanceName - The instance name to connect to. The SQL Server Browser service must be running on the database server, and UDP port 1434 on the database server must be reachable. options.useUTC - A boolean determining whether or not use UTC time ...
从一个 SQL Server 对象的数据类型转换为另一种数据类型时,不支持某些隐式和显式数据类型转换。例如,nchar 值无法被转换为 image 值。nchar 只能显式转换为 binary,而不支持隐式转换为 binary。但是,nchar 既可以显式也可以隐式转换为 nvarchar。 当处理 sql_variant 数据类型时,SQL Server 支持将其他数据类型的...