System analysis is used when design a new computer system to replace manual system or an alter computer system. In order to design it is...

It is a virtual table.. A view in SQL terminology is a single table that is derived from other tables. These other tables can be base t...

Indexes are special lookup tables that the database search engine can use to speed up data retrieval. simply put, an index is a pointer to d...

Conducting testing as soon as possible in development life cycle to find defects at early stages is called early testing. early testing is ...

Locking - A process in which any data that retrieved by a user for updating must be locked (or denied to other user) until the update is co...

T he design phase decides how the system will operate in terms of the , Hardware software Network infrastructure User interface ...

The systems development life cycle(SDLC) is the process of understanding how an information system(is) can support business needs ,designing...

Advantages of DBMS Controlling data redundancy Data consistency Integration of data Data security Report writers Backup recovery pr...

Executing a program with the determined of finding an error. To check if the system meets the requirements and be executed successfully...

Type of SQL commands SQL languages its commands on the basis of functionalities performed by them. there are five types of SQL language w...