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我有一个表TABLE1主键PK1。需要添加一列到现有的主键。 我绑下面的ALTER脚本无法将新列添加到现有主键
ALTER TABLE TABLE1
ADD CONSTRAINT "PRIMARYKEYS" PRIMARY KEY
("PK1",
"PK2");
Error report:
SQL Error: ORA-02260: table can have only one primary key
02260. 00000 - "table can have only one primary key"
*Cause: Self-evident.
*Action: Remove the extra primary key.
我如何能多一个列添加到主键,在不影响数据(数据已经证实,没有重复。)
[更改主键甲骨文(可能重复http://stackoverflow.com/questions/2310561/change-primary-关键的Oracle) – Noel