添加和修改主鍵索引(多列聯合)
廣告:
創建:
CREATE TABLE [PaGamePrivate].[TblProgressChallenge](
[_registerDate] [datetime] NULL,
[_userNo] [bigint] NOT NULL,
[_challengeKey] [int] NOT NULL,
[_paramNumber] [int] NOT NULL,
[_paramTime] [bigint] NOT NULL,
CONSTRAINT [PkTblProgressChallenge] PRIMARY KEY NONCLUSTERED
(
[_userNo] ASC,
[_challengeKey] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
修改:
alter TABLE [PaGamePrivate].[TblProgressChallenge] add
CONSTRAINT [PkTblProgressChallenge] PRIMARY KEY NONCLUSTERED(
[_userNo] ASC,
[_challengeKey] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY]
以下刪除:) ON [PRIMARY]
廣告: