1.语法:ALTER TABLE 表名 ADD CONSTRAINT 主键名 PRIMARY KEY 表名(主键字段); 3.添加外键 1.语法:ALTER TABLE 表名 ADD CONNSTRAINT 外键名 FOREIGN KEY(外键字段) REFERENCES 关联表名(关联字段); 4.插入单(多)条数据记录(和SQL Server相同,但是不能用select多列添加数据) 1.INSERT INTO 表名[(字段名...
1 ALTERTABLEdbo.YourTableADDIDINTIDENTITY 2 ALTERTABLEdbo.YourTableADDCONSTRAINTPK_YourTablePRIMARYKEY(ID) Or by one line ALTERTABLEdbo.YourTableADDIDINTIDENTITYCONSTRAINTPK_YourTablePRIMARYKEYCLUSTERED See-- https://stackoverflow.com/questions/4862385/sql-server-add-auto-increment-primary-key-to-existi...
To create a clustered primary key on an existing table:[cc lang=”sql”] ALTER TABLE dbo.Person ADD CONSTRAINT PK_Person PRIMARY KEY CLUSTERED (PersonID); [/cc]To create a non clustered primary key on an existing table:[cc lang=”sql”] ALTER TABLE dbo.Person ADD CONSTRAINT PK_Person ...
Assume that you use In-Memory OLTP in Microsoft SQL Server 2016. When you use theALTER TABLE,ADD CONSTRAINT, orPRIMARY KEYstatement to add a primary key for a memory-optimized table, even if the table already contains a primary key, the statement completes successfully. This issue may result...
下面是一个完整的示例代码,展示了如何向 SQL Server 的主键添加新列: -- 创建新列ALTERTABLE表名ADD列名 数据类型-- 更新主键ALTERTABLE表名DROPCONSTRAINT主键名称ALTERTABLE表名ADDCONSTRAINT主键名称PRIMARYKEY(列1,列2,...)-- 重建索引ALTERINDEX索引名称ON表名 ...
I have a table in SQL server 2005 with 25 lakh records. The table does not have a primary key. I have to add a primary key column to this table. I tried to add a column using Modify statement. In the Identity specification property of the column, I gave the following details: ...
sp_primarykeys sp_serveroption sp_table_privileges_ex sp_tables_ex sp_testlinkedserver FILESTREAM 和 FileTable Full-Text 语义搜索 & 搜索 常规扩展 日志传送 托管备份 管理数据仓库 MSDTC OLE 自动化 PolyBase 基于策略的管理 查询存储库 复制 安全 ...
AddRemoteServer AddressEditor AddRightFrame AddRow AddRulerHorizontal AddRulerVertical AddScreen AddSnippet AddState AddStateGroup AddStyleRule AddTable AddTablet AddTeamProject AddTest AddTestGroup AddTextFile AddThread AddToCollection AddToDependancyGraph AddToDependancyGraphAncestor AddTopFrame AddToRow...
Even if this option isn't set, indexes related to primary keys and UNIQUE constraints are generated if they are already defined on a published table. 0x80 Replicates PRIMARY KEY constraints. Any indexes related to the constraint are also replicated, even if options 0x10 and 0x40 aren't ...
Even if this option isn't set, indexes related to primary keys and UNIQUE constraints are generated if they are already defined on a published table. 0x80 Replicates PRIMARY KEY constraints. Any indexes related to the constraint are also replicated, even if options 0x10 and 0x40 aren't ...