What is an instance of a database?

What is an instance of a database Mcq?

Exp: The instance of a database is the set of memory structures that manage database files.

What is an instance in SQL database?

An instance of the Database Engine is a copy of the sqlservr.exe executable that runs as an operating system service. Each instance manages several system databases and one or more user databases. Each computer can run multiple instances of the Database Engine.

How do I find the instance of a database?

Oracle SQL to Check the Database / Instance Name to Which the Current Session Is Connected using a Non DBA user1SQL> select * from global_name;2ORCL.3SQL> select instance_name from v$instance;Oracle SQL to Check the Database / Instance Name to Which the ...

What is the difference between instance and database?

Database Versus Instance The database is the data on disk, stored in operating system files (or possibly, under Unix, in raw files). The instance is composed of the System Global Area (SGA) memory and the background processes. The instance is STARTed using Oracle Server Manager or Oracle Enterprise Manager (OEM).