KEY關於「SQL ALTER PRIMARY KEY」標籤，搜尋引擎有相關的訊息討論：
ALTER PRIMARY KEY | CockroachDB DocsWhen you change a primary key with ALTER PRIMARY KEY , the old primary key index becomes a UNIQUE secondary index. This helps optimize the performance of ...缺少字詞： gl= twModify Primary Keys - SQL Server | Microsoft Docs2017年7月25日 · Before You Begin. Security. Permissions. Requires ALTER permission on the table. Using SQL Server Management Studio. To modify a primary key.缺少字詞： gl= | 必須包含以下字詞：gl=Create Primary Keys - SQL Server | Microsoft Docs2017年3月14日 · Using SQL Server Management Studio. To create a primary key. In Object Explorer, right-click the table to which you want to add a unique ...缺少字詞： gl= | 必須包含以下字詞：gl=SQL PRIMARY KEY Constraint - W3SchoolsSQL PRIMARY KEY on ALTER TABLE. To create a PRIMARY KEY constraint on the "ID" column when the table is already created, use the following SQL: MySQL ...缺少字詞： gl= twConstraints in SQL Server | What is SQL constraints - Great Learning2021年6月8日 · Note: If you use ALTER TABLE to add a primary key, the primary key column(s) must have been declared to not contain NULL values (when the table ...MySQL 5.7 Reference Manual :: 13.1.8 ALTER TABLE StatementThis is a MySQL extension to standard SQL, which permits only one of each clause ... If you add a UNIQUE INDEX or PRIMARY KEY to a table, MySQL stores it ...缺少字詞： gl= twMySQL 8.0 Reference Manual :: 13.1.9 ALTER TABLE StatementThis is a MySQL extension to standard SQL, which permits only one of each clause ... If you add a UNIQUE INDEX or PRIMARY KEY to a table, MySQL stores it ...缺少字詞： gl= twAdding primary keys - IBM DB2 9.7 for Linux, UNIX, and WindowsYou can use the Control Center or the ALTER TABLE statement to add primary keys.缺少字詞： SQL gl=Creating and modifying constraints - IBMExisting data is checked against the new condition before the statement succeeds. To add primary keys using the command line, enter: ALTER TABLE