How do you compare results of two stored procedures in SQL Server?

How do you compare results of two stored procedures in SQL Server?

Easy option 2: Write the stored procedure results to a table/temp table (per return table per procedure) and write sql to compare the results. Just count the rows in each result table and then do a count of the union (not union all) of both tables. Repeat for each result table.

Can stored procedure return multiple result sets?

Most stored procedures return multiple result sets. Such a stored procedure usually includes one or more select statements. The consumer needs to consider this inclusion to handle all the result sets.

Can a stored procedure return a result set?

In addition to returning output parameters, a stored procedure can return a result set (that is, a result table associated with a cursor opened in the stored procedure) to the application that issues the CALL statement. The application can then issue fetch requests to read the rows of the result set cursor.

How do you compare two queries performance?

We can compare the execution plan of the already saved query execution plan as well. To do so, just open the query execution plan in SQL Server Management Studio 2016. Once opened, right click on the execution plan, and click on the Showplan compare.

How do I merge results of two stored procedures?

1. Declare one table variable for Stored Procedure 1.
2. Declare another table variable for Stored Procedure 2.
3. Declare third table variable which consists of all columns, table1 and table2 and use UNION to populate it as:

Can Stored Procedure have multiple selects?

MySQL Stored Procedure with Multiple Select statements From Different Tables. But It returns only The first Select, as In result set only contains Sales Column. You will need to request the subsequent resultset using your API.

How do I merge results of two Stored Procedures?

How do you compare query plans?

To compare execution plans

1. Open a previously saved query execution plan file (.
2. Right-click in a blank area of the execution plan and click Compare Showplan.
3. Choose the second query plan file that you would like to compare with.
4. The compared plans will open a new window, by default with one on top and one on the bottom.

How to compare stored procedure result sets in SQL?

The next result set comparison is to get all results from both procedures that do not match. We do this using the CHECKSUM function. We do not need SQL 2005+ for this. Lastly, let’s get what does match in both procedures.

When to use two or more stored procedures?

With two Stored Procedures application has to send two requests and will receive two responses. In most cases that will generate more network traffic. In a case when data for both results sets come from the same tables, the approach with one Stored Procedure can help you reduce the amount of data page reads and locks acquired on used tables.

Is it bad to create multiple procedure with multiple result sets?

Unfortunately, that will increase the amount of duplicated code in your codebase. Approach to create one Stored Procedure with multiple result sets fosters the formation of multi-purpose objects. In general, this is a very bad idea and leads to having a low-quality code base, that is extremely hard to be refactored.

Is it possible to process multiple returned result sets in T-SQL?

That can significantly decrease overall code performance. There is no possibility to process multiple returned result sets in T-SQL. That means it will be useful only when called from an application. In T-SQL to reuse code in subqueries, you will have to create another Stored Procedures or functions.