What is application intent in SQL Server?
SQL Native Access Client Supports Application Intent property. Support for read-only routing of SQL connections is via the SQL Native Access Client provider (SNAC) version 11. You can specify the Application Intent connection property when connecting to SQL Server via SQLClient, SNAC ODBC or SNAC OLEDB.
What is logon trigger in SQL Server?
Logon triggers fire stored procedures in response to a LOGON event. This event is raised when a user session is established with an instance of SQL Server. Logon triggers fire after the authentication phase of logging in finishes, but before the user session is actually established.
What is MultiSubnetFailover SQL Server?
The MultiSubnetFailover connection property indicates that the application is being deployed in an availability group or Failover Cluster Instance, and that SQL Server Native Client will try to connect to the database on the primary SQL Server instance by trying to connect to all the IP addresses.
What is listener in SQL Server Always On?
An availability group listener is a virtual network name (VNN) that clients can connect to in order to access a database in a primary or secondary replica of an Always On availability group. A listener allows a client to connect to a replica without having to know the physical instance name of the SQL Server.
What is read-only routing in always on?
Read-only routing refers to the ability of SQL Server to route qualifying read-only connection requests to an available Always On readable secondary replica (that is, a replica that is configured to allow read-only workloads when running under the secondary role).
How many types of triggers are present in SQL Server?
Types of SQL Triggers In SQL Server, we have 3 groups of triggers: DML (data manipulation language) triggers – We’ve already mentioned them, and they react to DML commands. These are – INSERT, UPDATE, and DELETE.
What is Multisubnet?
A SQL Server multi-subnet failover cluster is a configuration where each failover cluster node is connected to a different subnet or different set of subnets. These subnets can be in the same location or in geographically dispersed sites.
What is geo clustering SQL Server?
It involves having two or more cluster nodes but, unlike the traditional Microsoft Windows Server Failover Clusters that have the nodes in the same physical locations, the nodes are located in different geographical locations forming a single highly available system.
What are SQL CLR types?
Numeric Mapping
| CLR Type | Default SQL Server Type used by DataContext.CreateDatabase |
|---|---|
| System.Byte | TINYINT |
| System.Int16 | SMALLINT |
| System.Int32 | INT |
| System.Int64 | BIGINT |
What are CLR types?
Standard CLR types, such as Geometry, Geography, and HierarchyId, provide built-in support for spatial and hierarchical data. You will learn about both user-defined and system CLR types in this chapter.
How do I connect to SQL Server with application intents?
You can specify the Application Intent connection property when connecting to SQL Server via SQLClient, SNAC ODBC or SNAC OLEDB. The SNAC provider must be installed where your client application runs.
What triggers SQL Server logon event?
Logon Triggers. Logon triggers fire stored procedures in response to a LOGON event. This event is raised when a user session is established with an instance of SQL Server. Logon triggers fire after the authentication phase of logging in finishes, but before the user session is actually established.
Does SQL Server guarantee the execution order of Logon triggers?
SQL Server does not guarantee the execution order of the remaining triggers. Before SQL Server fires a logon trigger, SQL Server creates an implicit transaction that is independent from any user transaction. Therefore, when the first logon trigger starts firing, the transaction count is 1.
What is original_login in SQL Server?
ORIGINAl_LOGIN () will return the value of the login which made the original connection to SQL Server. I want to restrict login “testuser”, so I added another condition on the ” testuser” login.