Oracle 11G OCP 1Z0-053 25
Which DDL operation is supported on the table after enabling Flashback Data Archive?(choose threee.)
A. Drop the table.
B. Partition the table
C. Truncate the table.
D. Add a column to the table.
E. Rename a column in the table.
答案:(C,D,E)
解析:
參考《Advanced Application Developer's Guide》 12.10.6
閃回資料歸檔支援許多DDL語句,包括一些修改表的定義和移動資料的語句:
1. ALTER TABLE
1.1 增加、刪除、重新命名、修改列
1.2 增加、刪除、重新命名約束
1.3. 刪除和truncate分割槽和子分割槽的操作
2. TRUNCATE TABLE
3. 修改表的名稱的RENAME語句
一些DDL操作會引起ORA-55610錯誤
1. 包含UPGRADE TABLE子句或INCLUDING DATA子句的ALTER TABLE語句
2. 移動、交換分割槽或子分割槽的ALTER TABLE語句
3. DROP TABLE
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