alter table drop primary key
DROP CONSTRAINT pk_PersonID; or 刪除與主鍵相關的所有值. ALTER TABLE CUSTOMERS DROP PRIMARY KEY CASCADE., Student'; SELECT @sql = 'ALTER TABLE ' + @table + ' DROP CONSTRAINT ' + name + ';' FROM sys.key_constraints WHERE [type] = 'PK' ...,請問一下各位哦！我想知道drop primary key的語法！ 不是Alter Table Drop 表單名Primary key <==== 不是醬子嗎？感謝指教哦！ 另一個問題！ ,a) DROPPING PRIMARY KEY does not drop the UNIQUE .... alter table MARITAL_STATUS_HIST drop primary key drop index. /. alter table ... ,You can use the Control Center or the ALTER TABLE statement to drop primary keys. , To Drop any constraint this is the method. ALTER TABLE Yourtable -- Table Name DROP CONSTRAINT PK_primarykey_name -- Primary Key ...,This Oracle tutorial explains how to create, change, drop, disable, and enable a primary key in Oracle with syntax and examples. In Oracle, a primary key is a ... , ALTER TABLE user_customer_permission MODIFY id INT NOT NULL; ALTER TABLE user_customer_permission DROP PRIMARY KEY;.,The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: ... and for defining a PRIMARY KEY constraint on multiple columns, use the following SQL syntax: ... DROP CONSTRAINT PK_Person;. , USE AdventureWorks2012; GO -- Return the name of primary key. ... DROP CONSTRAINT PK_TransactionHistoryArchive_TransactionID; GO. 如需詳細資訊，請參閱ALTER TABLE (Transact-SQL) 和sys.key_constraints ...
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 alter table drop primary key 相關參考資料
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DROP CONSTRAINT pk_PersonID; or 刪除與主鍵相關的所有值. ALTER TABLE CUSTOMERS DROP PRIMARY KEY CASCADE. http://oracled2k.pixnet.net Drop primary key using script in SQL Server database - Stack Overflow
Student'; SELECT @sql = 'ALTER TABLE ' + @table + ' DROP CONSTRAINT ' + name + ';' FROM sys.key_constraints WHERE [type] = 'PK' ... https://stackoverflow.com Drop Primary Key的語法！拜託囉！- 藍色小舖BlueShop
請問一下各位哦！我想知道drop primary key的語法！ 不是Alter Table Drop 表單名Primary key <==== 不是醬子嗎？感謝指教哦！ 另一個問題！ http://www.blueshop.com.tw Dropping a Primary Key constraint | Oracle Community
a) DROPPING PRIMARY KEY does not drop the UNIQUE .... alter table MARITAL_STATUS_HIST drop primary key drop index. /. alter table ... https://community.oracle.com Dropping primary keys - IBM
You can use the Control Center or the ALTER TABLE statement to drop primary keys. https://www.ibm.com how to drop a primary key in sql server? - Stack Overflow
To Drop any constraint this is the method. ALTER TABLE Yourtable -- Table Name DROP CONSTRAINT PK_primarykey_name -- Primary Key ... https://stackoverflow.com Oracle PLSQL: Primary Keys - TechOnTheNet
This Oracle tutorial explains how to create, change, drop, disable, and enable a primary key in Oracle with syntax and examples. In Oracle, a primary key is a ... https://www.techonthenet.com sql - Remove Primary Key in MySQL - Stack Overflow
ALTER TABLE user_customer_permission MODIFY id INT NOT NULL; ALTER TABLE user_customer_permission DROP PRIMARY KEY;. https://stackoverflow.com SQL PRIMARY KEY Constraint - W3Schools
The following SQL creates a PRIMARY KEY on the "ID" column when the "Persons" table is created: ... and for defining a PRIMARY KEY constraint on multiple columns, use the following... https://www.w3schools.com 刪除主索引鍵| Microsoft Docs
USE AdventureWorks2012; GO -- Return the name of primary key. ... DROP CONSTRAINT PK_TransactionHistoryArchive_TransactionID; GO. 如需詳細資訊，請參閱ALTER TABLE (Transact-SQL) 和sys.key_constraints ... https://docs.microsoft.com |