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What is SQL passthrough?
Pass-through SQL lets you use native SQL without any of the restrictions that the data source imposes on subqueries. This is because pass-through SQL query subjects are not processed as subqueries. Instead, the SQL for each query subject is sent directly to the data source where the query results are generated.
What is SAS passthrough?
The SQL Procedure pass-through facility is an extension of the SQL procedure that enables you to send DBMS -specific statements to a DBMS and to retrieve DBMS data. You specify DBMS SQL syntax instead of SAS SQL syntax when you use the pass-through facility.
What is a pass-through query ms access?
What is a Pass-through Query? A Pass-through query allows you to execute a SQL statement directly against the tables in an external database (such as an Oracle, Sybase, or SQL Server database).
What is a pass-through query Excel?
An SQL pass-through query is made up of an SQL statement and a connection string. When you run the query, it sends commands directly to the database server for processing. This removes the overhead of the Microsoft Jet database engine.
How does a pass through query work in SQL?
To run a query on a database server, use a pass-through query which is a Transact SQL (TSQL) statement that connects to SQL Server by using an ODBC connection string.
How are database views created in SQL Server?
Database views are created using the CREATE VIEW statement. Views can be created from a single table, multiple tables or another view. To create a view, a user must have the appropriate system privilege according to the specific implementation. The basic CREATE VIEW syntax is as follows −
Where does the data in a view come from?
Unless indexed, a view does not exist as a stored set of data values in a database. The rows and columns of data come from tables referenced in the query defining the view and are produced dynamically when the view is referenced. A view acts as a filter on the underlying tables referenced in the view.
What does a partitioned view do in SQL Server?
A partitioned view joins horizontally partitioned data from a set of member tables across one or more servers. This makes the data appear as if from one table. A view that joins member tables on the same instance of SQL Server is a local partitioned view. System views expose catalog metadata.