如何在單個SQL查詢中更新和插入數據。

Question

可能重複：
Oracle: how to UPSERT (update or insert into a table?)
How to Perform an UPSERT so that I can use both new and old values in update part

我想知道如何單查詢可以更新，並從數據庫中刪除數據。

請幫我這個:)

Answer 1

INSERT INTO table_name (column1, column2, column3,...) 
VALUES (value1, value2, value3,...); DELETE FROM table_name 
WHERE some_column=some_value 

我覺得

Answer 2

delete from table where id = 1 
update table set name = 'john' where id = 1 

Answer 3

有一個MERGE命令。
它可以讓你做upserts。自10g以來，它還包含一個DELETE子句