Category: SQL

A SQL Server procedure with parameters is a stored database object that allows you to encapsulate a sequence of SQL statements and execute them as a single unit. Parameters are placeholders within the procedure that can accept values when the procedure is called, making it flexible and reusable for different scenarios. SQL Server procedures with…(Continue Reading)

In SQL, procedures and functions are both database objects that allow you to encapsulate a sequence of SQL statements and execute them as a single unit. While they share some similarities, there are key differences between SQL procedures and SQL functions. Here’s an overview of their distinctions: Return Type Procedure: Procedures do not return values.…(Continue Reading)

SQL Table-Valued Function (TVF) is a user-defined function that returns a table as a result set. Unlike scalar functions that return a single value, a TVF can be used to encapsulate a complex logic that generates and returns a table of data. TVFs are particularly useful when you need to perform a set of operations…(Continue Reading)

SQL User-defined functions (UDFs) are custom functions created by users to perform specific tasks within a database system. One common type of UDF is the Scalar Function, which operates on a single value and returns a single value. Scalar functions are useful for encapsulating logic that can be reused in various queries, promoting code reusability…(Continue Reading)

SQL User-Defined Functions (UDFs) are custom functions created by users to perform specific tasks within a relational database management system (RDBMS). These functions encapsulate a set of SQL statements, allowing users to execute complex operations, calculations, or data manipulations with a single function call. SQL UDFs enhance the modularity, readability, and reusability of code within…(Continue Reading)

The SQL ALTER FUNCTION statement is used to modify an existing user-defined function in a database. Functions in SQL are named, reusable blocks of code that perform a specific task. They can be created using the CREATE FUNCTION statement, and when the need arises to change their behavior or structure, the ALTER FUNCTION statement comes…(Continue Reading)

The SQL CREATE FUNCTION statement is used to define a new user-defined function (UDF) in a database. A function in SQL is a set of SQL statements that perform a specific task and return a single value. Functions help in encapsulating a set of logic that can be reused in various parts of SQL queries,…(Continue Reading)

In SQL, the ALTER PROCEDURE statement is used to modify an existing stored procedure. A stored procedure is a precompiled collection of one or more SQL statements that can be executed as a single unit. Modifying a stored procedure can be necessary to update its functionality, improve performance, or accommodate changes in the database schema.…(Continue Reading)

A stored procedure in SQL is a precompiled collection of one or more SQL statements that are stored and can be executed as a single unit. It is typically used to encapsulate a set of operations or business logic that can be reused across different parts of an application or by multiple users. Stored procedures…(Continue Reading)

In SQL, a stored procedure is a precompiled collection of one or more SQL statements that perform a specific task. The CREATE PROCEDURE statement is used to define and create stored procedures in a database. Here’s an overview of the SQL CREATE PROCEDURE syntax and its key components: Syntax CREATE PROCEDURE procedure_name [parameter1 datatype1, parameter2…(Continue Reading)