![]() Update: The update operation performs a change to an existing record or set of records that meet a specific criteria. In SQL, this is done by using a SELECT FROM statement. Read: The read operation queries the database or searches and returns zero to many records meeting a specific criteria. In SQL or Structured Query Language, this is accomplished using an INSERT INTO statement. Each in turn:Ĭreate: This operation adds a new record to the database. ![]() These are the basic operations that can be done with a database, to store, maintain and utilize data. Understanding CRUD operationsĬRUD stands for Create, Read, Update and Delete.
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