The Update function is used to modify existing records that exist in the database. Then he/she might retrieve and look for the price of the dish from the stored data. For example, in the restaurant, from the menu stored the staff wants to look for the price of a dish. It allows users to search and retrieve specific records in the table and read their values. The Read function is similar to a SEARCH function. If the chef decides to add a new dish to the menu, a new record will be created in the database. For example, in a restaurant, the details of the menu are stored with the attributes, such as dish, cooking time, and price. In the SQL relational database application, the Create function is called INSERT. The Create function allows users to create a new record in the database.
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