What is a view
A view is nothing but a window of an existing table by which one can view and can also change the values in tables. The main point aspect of view is views have no storage space. For this reason views...
Oracle
Evolution of database systems
The file management system also called as FMS in short is one in which all data is stored on a single large file. The main disadvantage in this system is searching a record or data takes a long time
What is the use of COUNT with DISTINCT option
COUNT is a group function returns result by summarizing multiple rows. All group by value function will have the usage of DISTINCT or ALL option and so is the COUNT which uses the DISTINCT option. DI...
What are the differences between stored procedures and triggers?
Stored procedures are compiled collection of programs or SQL statements that live in the database. A stored procedure can access and modify data present in many tables. Also a stored procedure is not...
Physical and Logical Data Model
The main important aspect is physical data model is created after logical data model. For designing a logical data model one need not have through knowledge in any specific RDBMS like oracle, Informi...
What is Oracle Net Service
Oracle Net Services provides enterprise-wide connectivity solutions in distributed, heterogeneous computing environments. Oracle Net Services eases the complexities of network configuration and manag...
Tips for Oracle Certification
Getting an Oracle certification is reliable credential recognized by industries that can accelerate one's professional development and their productivity. So this article provides some tips for getti...
Advantages of Using Oracle
Oracle has many advantages and features that makes it popular and thereby makes it as the world's largest enterprise software company. Oracle comes with new versions with new features implemented in ...
Job Opportunities for Oracle
Oracle is the world's largest enterprise software company and the jobs in the oracle field are on huge demand in job market. There are thousands of professionals professionals, working in almost all ...
Oracle Certification and its Importance
Oracle certifications are valid credential recognized by industry that can help one to succeed in their IT career. Oracle is the world's largest enterprise software company and to get the oracle cert...