Stored Procedure Vs Function

The subject of stored procedure vs function encompasses a wide range of important elements. Stored Procedure in SQL Server - Stack Overflow. When should I use a function rather than a stored procedure in SQL, and vice versa? What is the purpose of each?

Furthermore, mySQL procedure vs function, which would I use when?. 216 I'm looking at MySQL procedures and functions. Equally important, what is the real difference? They seem to be similar, but a function has more limitations.

I'm likely wrong, but it seems a procedure can do everything and more than a function can. Furthermore, why/when would I use a procedure vs a function? sql - Functions vs Stored Procedures - Stack Overflow. If a stored procedure meets the following criteria, it is a good candidate for being rewritten as a table-valued function: The logic is expressible in a single SELECT statement but is a stored procedure, rather than a view, only because of the need for parameters.

The stored procedure does not perform update operations, except to table variables. What are the differences between "Stored Procedures" and "Stored .... The terms "stored procedure" and "stored function" are used interchangeably in PostgreSQL and are generally taken to mean the same thing. Other databases may differentiate between a procedure and function (much like how VB differentiates between subroutines and functions).

What is the difference between a "function" and a "procedure"?. A procedure is a set of commands which can be executed in order. In most programming languages, even functions can have a set of commands.

Hence the difference is only returning a value. But if you like to keep a function clean, (just look at functional languages), you need to make sure a function does not have a side effect. Difference between stored procedures and user defined functions. Can anyone explain what is the exact difference between stored procedures and user defined functions, and in which context each is useful? SQL Server: Table-valued Functions vs.

The use of functions versus stored procedured depends on what result you need from it. A table-valued function can return a single result, while a stored procedure can return one result, many results, or no result at all. Functions vs procedures in Oracle - Stack Overflow. The difference is- A function must return a value (of any type) by default definition of it, whereas in case of a procedure you need to use parameters like OUT or IN OUT parameters to get the results.

You can use a function in a normal SQL where as you cannot use a procedure in SQL statements. Building on this, some Differences between Functions and Procedures A function always returns a value using the return ... mysql - What's the differences between stored procedures, functions and ....