Write a short note on oracle instance, Database Management System

Assignment Help:

Write a short note on oracle Instance?

Oracle Instances: An instance is the (executed) Oracle software and the memory they use. It is the instance which manipulates the data stored within the database. It can be begin independent of any database. It consists of:

1) A shared memory area which gives the communication among several processes.
2) Upto five background processes that handled several tasks.
Whenever an oracle examples starts, the file ‘INIT.ORA' is executed.

Related Discussions:- Write a short note on oracle instance

Log, what is the need of a log in dbms

what is the need of a log in dbms

Give an example of multiple inheritance, Give an example of multiple inheri...

Give an example of multiple inheritance. One example of multiple inheritance is a committee for students affair which include faculty and administrative staff member.

Which operator is cartesian product in relational algebra, Which operator i...

Which operator is Cartesian product in relational algebra? Cartesian product in relational algebra is a binary operator. (It requires two operands. e.g., P X Q)

Explain the timestamps for read operations, Timestamps For Read operations:...

Timestamps For Read operations: If TS (T) If TS (T) >= W-timestamp (Q), then the transaction T is trying to read a value of data item Q which has been written and committed

Give the forms of triggers, Give the forms of triggers? The triggering ...

Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing

What is the role of order by clause, What is the role of ORDER By Clause? ...

What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s

Replication-design of distributed databases, Replication : It is definite a...

Replication : It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which

Need for distributed database systems, Need For Distributed Database System...

Need For Distributed Database Systems A distributed database is a set of database kept on multiple computers that appears to applications as a one database. As a result, an app

3NF Normalization, Need 2 projects completed in 3NF format.

Need 2 projects completed in 3NF format.

Windows 8 Administrative Tools, Which two tools are used to administer user...

Which two tools are used to administer users for Active Directory?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages