- How do I run a View?
- Why we Cannot call stored procedure?
- Why Stored procedures are used?
- What are triggers in SQL?
- How do I view a SQL database?
- Can we call procedure in function?
- Which is faster stored procedure or view?
- What is difference between stored procedure and trigger?
- Can DML be used in functions?
- Which SQL keyword is used to retrieve a maximum value?
- What is the difference between SQL view and stored procedure?
- Can you create a view from a stored procedure?
- What is SQL Server Openquery?
How do I run a View?
To create a view, a user must have the appropriate system privilege according to the specific implementation.
CREATE VIEW view_name AS SELECT column1, column2…..
FROM table_name WHERE [condition]; You can include multiple tables in your SELECT statement in a similar way as you use them in a normal SQL SELECT query..
Why we Cannot call stored procedure?
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. … User-defined functions cannot be used to perform actions that modify the database state.
Why Stored procedures are used?
Following are the advantages of stored procedures: Since stored procedures are compiled and stored, whenever you call a procedure the response is quick. you can group all the required SQL statements in a procedure and execute them at once. Since procedures are stored on the database server which is faster than client.
What are triggers in SQL?
A trigger is a special type of stored procedure that automatically runs when an event occurs in the database server. DML triggers run when a user tries to modify data through a data manipulation language (DML) event. … SQL Server lets you create multiple triggers for any specific statement.
How do I view a SQL database?
Using SQL Server Management StudioIn Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.Expand Databases, right-click the database to view, and then click Properties.In the Database Properties dialog box, select a page to view the corresponding information.
Can we call procedure in function?
A function cannot call the procedure inside the program’s body.
Which is faster stored procedure or view?
In general, a Stored Procedure stands a good chance of being faster than a direct SQL statement because the server does all sorts of optimizations when a stored procedure is saves and executed the first time. A view is essentially a saved SQL statement.
What is difference between stored procedure and trigger?
Stored procedures can be invoked explicitly by the user. It’s like a java program , it can take some input as a parameter then can do some processing and can return values. On the other hand, trigger is a stored procedure that runs automatically when various events happen (eg update, insert, delete).
Can DML be used in functions?
We can not place any DML statement inside a function simply and also a function with a DML statement cannot be used inside a SELECT query.
Which SQL keyword is used to retrieve a maximum value?
Which SQL keyword is used to retrieve a maximum value? Explanation: The MAX() function returns the largest value of the selected column.
What is the difference between SQL view and stored procedure?
A SQL View is a virtual table, which is based on SQL SELECT query. … View is simple showcasing data stored in the database tables whereas a stored procedure is a group of statements that can be executed. A view is faster as it displays data from the tables referenced whereas a store procedure executes sql statements.
Can you create a view from a stored procedure?
These base views can be created in two ways: Importing a database table, function or stored procedure directly from the graphical interface using introspection. Creating a view with the “Create from query” option using a SQL query on the data source.
What is SQL Server Openquery?
Executes the specified pass-through query on the specified linked server. This server is an OLE DB data source. OPENQUERY can be referenced in the FROM clause of a query as if it were a table name. OPENQUERY can also be referenced as the target table of an INSERT, UPDATE, or DELETE statement.