- Why use stored procedures instead SSIS?
- What are the types of stored procedures?
- What are three advantages to using SQL?
- Why we create procedures in SQL?
- Which is better function or stored procedure?
- What is difference between stored procedure and trigger?
- Are stored procedures faster than queries?
- How do I execute a stored procedure?
- Can stored procedure call function?
- What are the disadvantages of stored procedures?
- Why do we need triggers?
- What is difference between stored procedure and function?
- What is faster view or stored procedure?
- Should you use stored procedures?
- Why stored procedure is better than query?
- Where are stored procedures stored?
- What is difference between inline query and stored procedure?
- What are the advantages of stored procedures?
- What is the purpose of stored procedure?
- What is stored procedure advantage and disadvantage?
- Is stored procedure faster than query in MySQL?
Why use stored procedures instead SSIS?
For more complex processes, particularly those that involve heavy transforms, slowly changing dimensions, data mining lookups, etc, SSIS has three advantages.
First, it manages memory very efficiently, which can result in big performance improvements compared to T-SQL alone..
What are the types of stored procedures?
Different Types of stored procedure sql ServerSystem Defined Stored Procedure. These stored procedures are already defined in SQL Server. … Extended Procedure. Extended procedures provide an interface to external programs for various maintenance activities. … User-Defined Stored Procedure. These procedures are created by the user for own actions. … CLR Stored Procedure.
What are three advantages to using SQL?
Some advantages of SQL are as follows:Faster Query Processing – Large amount of data is retrieved quickly and efficiently. … No Coding Skills – For data retrieval, large number of lines of code is not required. … Standardised Language – … Portable – … Interactive Language – … Multiple data views –
Why we create procedures in SQL?
A SQL stored procedure (SP) is a collection SQL statements and sql command logic, which is compiled and stored on the database. … The main purpose of stored procedures to hide direct SQL queries from the code and improve performance of database operations such as select, update, and delete data.
Which is better function or stored procedure?
In a function, it is mandatory to use the RETURNS and RETURN arguments, whereas in a stored procedure is not necessary. In few words, a stored procedure is more flexible to write any code that you want, while functions have a rigid structure and functionality.
What is difference between stored procedure and trigger?
Stored procedures can be invoked explicitly by the user. … On the other hand, trigger is a stored procedure that runs automatically when various events happen (eg update, insert, delete). Triggers are more like an event handler they run at the specific event. Trigger can not take input and they can’t return values.
Are stored procedures faster than queries?
Your statement that Stored Procedures are faster than SQL Queries is only partially true. … So if you call the stored procedure again, the SQL engine first searches through its list of query plans and if it finds a match, it uses the optimized plan.
How do I execute a stored procedure?
To execute a stored procedure Expand the database that you want, expand Programmability, and then expand Stored Procedures. Right-click the user-defined stored procedure that you want and click Execute Stored Procedure.
Can stored procedure call function?
Stored procedure can do any changes. So we cant call a Stored Procedure from function. Technically, calling a stored procedure from a function is possible. … Purpose of Stored procedure: The stored procedure is used to execute business logic and hence may or may not return a value.
What are the disadvantages of stored procedures?
The main disadvantages of stored procedures are given below:Testing – Testing of a logic which is encapsulated inside a stored procedure is very difficult. … Debugging – … Versioning – … Cost – … Portability –
Why do we need triggers?
Trigger: A trigger is a stored procedure in database which automatically invokes whenever a special event in the database occurs. For example, a trigger can be invoked when a row is inserted into a specified table or when certain table columns are being updated.
What is difference between stored procedure and function?
The function must return a value but in Stored Procedure it is optional. Even a procedure can return zero or n values. Functions can have only input parameters for it whereas Procedures can have input or output parameters. Functions can be called from Procedure whereas Procedures cannot be called from a Function.
What is faster view or stored procedure?
A view is essentially a saved SQL statement. Therefore, I would say that in general, a stored procedure will be likely to be faster than a view IF the SQL statement for each is the same, and IF the SQL statement can benefit from optimizations. Otherwise, in general, they would be similar in performance.
Should you use stored procedures?
I tend to always use stored procedures. … When all the code is in a stored proc, it is far easier to refactor the database when needed. Changes to logic are far easier to push as well. It is also far far easier to performance tune and sooner or later performance tuning becomes necessary for most database applications.
Why stored procedure is better than query?
Reusability of Cached Query Plans Stored procedures improve database performance as they allow cached query plans to be reused. In the case of dynamic SQL, you will have to use parameterized queries to increase cached query plan reusability.
Where are stored procedures stored?
The stored procedure are stored as named objects in the SQL Server Database Server. When you call a stored procedure for the first time, SQL Server creates an execution plan and stores it in the cache.
What is difference between inline query and stored procedure?
What is the difference between a query and stored procedure? query and stored procedure do the same thing but the difference is that a query should be compiled everytime the query is executed,while the stored procedure is in compiled form when executed first time.
What are the advantages of stored procedures?
Advantages of Stored ProceduresTo help you build powerful database applications, stored procedures provide several advantages including better performance, higher productivity, ease of use, and increased scalability. … Additionally, stored procedures enable you to take advantage of the computing resources of the server.More items…
What is the purpose of stored procedure?
What is a Stored Procedure? A stored procedure is a prepared SQL code that you can save, so the code can be reused over and over again. So if you have an SQL query that you write over and over again, save it as a stored procedure, and then just call it to execute it.
What is stored procedure advantage and disadvantage?
Advantage: Stored procedures can be used to maintain data integrity and enforce database policy without relying on an external program to do so. Disadvantage: Can make debugging more complex. Can also be sensitive to being dropped during copy operations, if not done correctly.
Is stored procedure faster than query in MySQL?
Stored procedures have many other benefits than speed, security being high on the list. … In MySQL or any other SQL server as MSSQL or Oracle, stored procedures increase dramatically the speed of the queries involved because this are already compiled.