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Can we call stored procedure in function SQL Server?
You cannot execute a stored procedure inside a function, because a function is not allowed to modify database state, and stored procedures are allowed to modify database state. Therefore, it is not allowed to execute a stored procedure from within a function.
How are stored procedures used in Outsystems?
Make ure you have:
- Created a database connection with a user that can execute the stored procedure.
- Created an extension which maps at least 1 table/view from that database connection.
- Remember to use the /* %LogicalDatabase%=GetLogicalDatabase({table/view}) */ in the advanced query so it knows which database to query.
When do you need a stored procedure in SQL?
They are only useful for query operations. You need a stored procedure to manipulate the data. So, the real answer to this question is that you must iterate through the results of a select statement via a “cursor” and call the procedure from within that loop. Here’s an example:
How to optimize complex SQL queries and stored procedures?
First the engine will have to find all entries with the correct AccId, then again find entries with the correct AccId2, but only the entries that have not been found in the first search. First of all, SQL will not do this very well when the WHERE clause is very complex.
How to execute a procedure inside a SELECT statement?
So, the real answer to this question is that you must iterate through the results of a select statement via a “cursor” and call the procedure from within that loop. Here’s an example: Note that @@FETCH_STATUS is a standard variable which gets updated for you. The rest of the object names here are custom.
What does the term’complex query’mean in SQL?
“Complex query” might mean anything. Executing a query multiple times results in very different results based on how the engine is caching the data or computing execution plans. A lot of what I am going to say can be performed using SQL commands, as well.