replace into
时间: 2023-09-07 11:17:32 浏览: 51
"Replace Into" is a SQL statement used to insert or update data in a database table.
It is similar to the "Insert Into" statement, but if a record with the same primary key already exists in the table, the "Replace Into" statement will update that record rather than creating a new one.
The syntax for the "Replace Into" statement is as follows:
```
REPLACE INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);
```
This statement will either insert a new record into the table with the specified values, or update an existing record with the same primary key.
Note that the "Replace Into" statement should only be used when you want to overwrite existing data with new data. If you want to insert new data without overwriting existing data, you should use the "Insert Into" statement instead.
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