Question

可能重复：
  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

我想知道单个Query如何更新和删除数据库中的数据。

请帮助我：）

Answer 1

有一个MERGE命令它可以让你做upserts。从10g开始，它还包含DELETE子句

Answer 2

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

我认为

Answer 3

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

如何在单个SQL查询中更新和插入数据。

3 个答案: