FILENAME=‘c:\Program Files\Microsoft SQL Server\MSSQL.1\mssql\data\AccountingData.mdf’, SIZE=10, MAXSIZE=50, FILEGROWTH=5) LOGON ( NAME=‘AccountingLog’, FILENAME=‘c:\Program Files\Microsoft SQL Server\MSSQL.1\mssql\data\AccountingLog.ldf’, SIZE=5MB, MAXSIZE=25MB, FILEGROWTH=5MB...
NAME='Accounting',--数据库名称FILENAME='C:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\AccountingData.mdf',--数据库文件位置SIZE=10, --大小 10MMAXSIZE=50,--最大大小 50MFILEGROWTH=5--每次增加 5M)LOGON( NAME='AccountingLog', FILENAME='C:\Program Files\Microsoft SQL...
Remove the constraint from the table definition if the foreign key references a unique constraint.In SQL Server 2014 (12.x), FOREIGN KEY constraints are not supported with memory-optimized tables. Feature clustered index Specify a nonclustered index. In the case of a primary key index be sure...
ForeignKeyConstraintDefinition.Accept(TSqlFragmentVisitor) Method Reference Feedback Definition Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.TransactSql.ScriptDom v161.8901.0 Accepts visitor C# 复制 publ...
CONSTRAINT PK_MemorySchemaOnly PRIMARY KEY NONCLUSTERED HASH (id) WITH (BUCKET_COUNT = 150000) ) WITH (MEMORY_OPTIMIZED = ON, DURABILITY = SCHEMA_ONLY) 进行测试之前我简单说一下建立in-memory数据表注意事项 Schema_and_data:OLAP系统中,该内存数据表类型最常被使用,透过持久性选项设定...
Subclause 11.26, "<drop table constraint definition>": <drop table constraint definition> ::= DROP CONSTRAINT <constraint name> <drop behavior> ... Conformance Rules Without Feature F381, "Extended schema manipulation", conforming SQL language shall not contain a <drop table constraint defi...
-- drop test table IF OBJECT_ID( 'dbo.Test', 'U') IS NOT NULL DROP TABLE dbo.Test ; GO -- create a test table CREATE TABLE dbo.Test ( Id INT PRIMARY KEY , ParentId INT , CONSTRAINT FK_Self_Ref FOREIGN KEY ( ParentId ) REFERENCES dbo.Test ( Id ) ); GO -- insert query ...
1、使用sql查询主键的唯一约束当前最大值：select max（id） from table；（id为number类型）select max（to_number(id)） from table;(id为非number类型)2、使用sql查询该表的序列的下一个值 select SEQ.NEXTVAL from dual;（seq是对应表的序列名）3、最后使用PL/SQL客户端编辑序列，将序列的下一...
2.1.2.166 S291, Unique constraint on entire row 2.1.2.167 S301, Enhanced UNNEST 2.1.2.168 S401, Distinct types based on array types 2.1.2.169 S402, Distinct types based on multiset types 2.1.2.170 S403, ARRAY_MAX_CARDINALITY 2.1.2.171 S404, TRIM_ARRAY 2.1.2.172 T011, Timestamp in Informati...
TSqlScript TSqlStatement TSqlStatementSnippet TSqlTokenType TSqlTriggerEventGroupHelper TSqlTriggerEventTypeHelper UnaryExpression UnaryExpressionType UniqueConstraintDefinition UniqueConstraintDefinition Constructors Properties Methods Accept AcceptChildren UniqueRowFilter UnpivotedTableReference UnqualifiedJoi...