sql modify data

The basic operation of a relational database CRUD is that CRUD: Create, Retrieve, Update, Delete. Among them, for the query, we have a detailed account of SELECTdetailed usage statement.

For add, delete, change, corresponding to the SQL statement are: a linear motor Price

• INSERT: Insert a new record;
• UPDATE: update existing records;
• DELETE: delete existing records.

We will discuss the use of these three statements modify data.