CRUD here is an acronym or abbreviation word that comes from the world of computer programming based on four (4) basic persistent storage functions that are very important to implement an application.
- The functions in CRUD are Create, Read, Update, and Delete.
All functions contained in this CRUD can refer to all functions that are executed in relational database applications and are mapped to standard HTTP methods, SQL statements or DDS operations.
Functions of CRUD in a Framework
- CREATE, the first function is the Create function. Here is a function that serves to INSERT or add statements or sentences to create a new record or record.
- READ, the second function is the Read function. Here is a function that serves to read a record or table records based on the primary record in the input parameter.
- UPDATE, in this third function is the Update function. Here is a function that serves to UPDATE or update a table based on the primary key or the primary key specified for a record using the WHERE clause.
- DELETE, in this fourth function is the Delete function. Here is a function that serves to delete certain rows or rows in the WHERE clause.
Advantages of Using CRUD
- Instead of us using the usual SQL Statements, more programmers like to use CRUD because of its better performance.
- When a procedure is stored and run for the first time, the plan execution will be stored in a procedure cache and reused for all applications stored in the Stored Procedure.
- When a SQL statement is executed on a SQL Server, the relational engine looks for a cached procedure to ensure that an existing execution plan for a given SQL statement is available and uses the current plan to reduce resources or the need for repeated optimization, parsing and compilation of SQL statement steps.
- If an execution plan is not available, SQL Server creates a new execution plan for the query.
- When we remove the SQL statement from the application code then all the SQL can be stored in the database while only the Store Procedure calls exist in our client application.
- When using Store Procedures, it helps reduce duplicate databases.
- Using CRUD Operations will also help prevent SQL Injection attacks.
- By using Store Procedures instead of string concatenation to build dynamic queries from user input data, for all SQL statements it means that everything entered into parameters will be quoted.
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