What are multiple active result sets?

Multiple Active Result Sets (MARS) is a feature that allows the execution of multiple batches on a single connection. In previous versions, only one batch could be executed at a time against a single connection. Executing multiple batches with MARS does not imply simultaneous execution of operations.

What are multiple active result sets?

Multiple Active Result Sets (MARS) is a feature that allows the execution of multiple batches on a single connection. In previous versions, only one batch could be executed at a time against a single connection. Executing multiple batches with MARS does not imply simultaneous execution of operations.

How can we get multiple result sets from a stored procedure using Entity Framework?

In order to get multiple result sets working we need to drop to the ObjectContext API by using the IObjectContextAdapter interface. Once we have an ObjectContext then we can use the Translate method to translate the results of our stored procedure into entities that can be tracked and used in EF as normal.

How can we retrieve multiple result sets from a stored procedure in Jdbctemplate?

You can use the resultSet. getMetaData() method to work out what columns are in the data: ResultSetMetaData meta = resultSet. getMetaData(); int colcount = meta.

When should I use Multipleactiveresultsets?

Multiple Active Result Sets (MARS) is a feature that works with SQL Server to allow the execution of multiple batches on a single connection. When MARS is enabled for use with SQL Server, each command object used adds a session to the connection.

How do I combine two SQL queries in one result without a UNION?

You need to create two separate queries and join their result not JOIN their tables. Show activity on this post. JOIN and UNION are differents. In your query you have used a CROSS JOIN operation, because when you use a comma between two table you apply a CROSS JOIN.

How do I combine two selected statements in SQL?

Procedure

  1. To combine two or more SELECT statements to form a single result table, use the set operators: UNION, EXCEPT or INTERSECT.
  2. To keep all duplicate rows when combining result tables, specify the ALL keyword with the set operator clause.

What is set Fmtonly off in stored procedure?

When SET FMTONLY is OFF (the default), SQL Server processes control-of-flow statements normally. In the case of an IF statement, SQL Server determines which conditional expression evaluates to true and then executes the code associated with that expression.

How run multiple statements in SQL Server?

To include multiple statements in a SQL query:

  1. Set the DSQEC_RUN_MQ global variable to 1: SET GLOBAL (DSQEC_RUN_MQ=1. When the variable is set to 0, all statements after the first statement in the query are ignored when you issue the RUN QUERY command.
  2. Place a semicolon at the end of each SQL statement on the panel.

How do I turn on MultipleActiveResultSets?

It can be enabled by adding the “MultipleActiveResultSets=True” keyword pair to your connection string. “True” is the only valid value for enabling MARS. The following example demonstrates how to connect to an instance of SQL Server and how to specify that MARS should be enabled.

What does Trusted_connection true mean?

NO – trusted_connection=true means Windows Authentication and Windows Authentication requires trusted_Connection=true. If you specify “trusted_connection=True” ==> you have Windows Authentication; if you don’t specify it, you don’t have Windows Authentication. – marc_s. Oct 29, 2009 at 9:58.

How do you UNION multiple queries?

To combine result set of two or more queries using the UNION operator, these are the basic rules that you must follow:

  1. First, the number and the orders of columns that appear in all SELECT statements must be the same.
  2. Second, the data types of columns must be the same or compatible.

What is the difference between UNION and join?

There is a major difference between JOIN and UNION in SQL. Using the JOIN clause, we combine the attributes of two given relations and, as a result, form tuples. Whereas we use the UNION clause when we want to combine the results obtained from two queries. They both combine data differently.