Are triggers supported by all database solutions?

Are triggers supported by all database solutions?

Not all database engines support triggers so your solution creates dependencies on database engines.

Are database triggers thread safe?

You can fire trigger programs in a multithreaded job. The same threadsafety restrictions apply to trigger programs as to any other code that runs in a multithreaded job. The use of DDL SQL statements might not be threadsafe. Data manipulation language (DML) statements are threadsafe.

How do I run a trigger in PL SQL?

Syntax for creating trigger:

1. CREATE [OR REPLACE ] TRIGGER trigger_name.
2. {BEFORE | AFTER | INSTEAD OF }
3. {INSERT [OR] | UPDATE [OR] | DELETE}
4. [OF col_name]
5. ON table_name.
6. [REFERENCING OLD AS o NEW AS n]
7. [FOR EACH ROW]
8. WHEN (condition)

What are the instances of AlwaysOn in development server?

In our development server we are using the VM’s and instances that were used in the AlwaysOn Monitoring and Alerting post and the AGroup_Dev availability group that was set up. There are 3 instances: AlwaysOn1 is set as the primary, AlwaysOn2 is a secondary in synchronous mode, and AlwaysOn3 is a secondary in asynchronous mode.

How does always on availability group active secondary work?

The Always On availability groups active secondary capabilities include support for read-only access to one or more secondary replicas (readable secondary replicas). A readable secondary replica can be in either synchronous-commit availability mode, or asynchronous-commit availability mode.

How to synchronize SQL Server always on availability groups?

For this article, we consider two nodes SQL Server Always On Availability Groups with the following details: On the primary replica, you create a login and assign db_datareader permissions on the [MyNewDB] availability group database. Now, connect to your secondary replica and see if the login works.

Is the AG database health job disabled on alwayson1?

As you can see the AG Database Health and AG Replica Health jobs are now disabled on AlwaysOn1 and are enabled on AlwaysOn2. Of course the job code can be changed to accommodate more than 1 availability group and more than 1 job category.