System Imlementation
The final phase in the SDLC is the implementation phase, during which the system is actually built or purchased, in the case of a packaged s...
Showing posts with label SEMI2. Show all posts
Showing posts with label SEMI2. Show all posts
Monday, June 1, 2020June 01, 2020
Stored Function
A stored function is a special kind stored program that returns a single value. you use stored functions to encapsulate common formulas or ...
June 01, 2020
Aggregate function
Aggregate functions are use to compute against a "returned column of numeric data" from your select statement. They basically s...
Sunday, May 17, 2020May 17, 2020
A Good software tester should have...
Find bugs as early as possible and make sure they get fixed. To understand the application well. Study the functionality in detail to f...
May 17, 2020
Objectives of testing
Executing a program with the determined of finding an error. To check if the system meets the requirements and be executed successfully...
May 17, 2020
Most common software problems
Incorrect calculation Incorrect data edits and ineffective data edits Incorrect matching and merging of data Data searches t...
May 17, 2020
Design
The output of SRS is the input or design phase. Two type of design.. High level design Low level design High level design List...
Friday, May 15, 2020May 15, 2020
What is object oriented programming?
Object oriented programming (OOP) is a programming paradigm, which uses objects and their interactions for building computer programs. W...
May 15, 2020
What is Class?
The Class defines abstract characteristics of objects. it provides a structure for objects or a pattern which we use to describe the nature...
May 15, 2020
Multitier Application Architecture
Web based applications are often multi tier applications that divide functionality into separate tiers although tiers can be located on the...
May 15, 2020
Early testing
Conducting testing as soon as possible in development life cycle to find defects at early stages is called early testing. early testing is ...
Tuesday, May 12, 2020May 12, 2020
What is Database INDEX?
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...
May 12, 2020
What is view?
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...
Tuesday, May 5, 2020May 05, 2020
DBMS Locking
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...
May 05, 2020
Backup Recovery facilities
Backup facilities - which provide periodic backup(some time called fallback) copies of portion of entire database. Journalizing facilities...
May 05, 2020
DBMS Concurrency Control
The process of managing simultaneous operation against a database so that data integrity is maintained and operation do not interfere with ...
Monday, May 4, 2020May 04, 2020
Data Models
Data Models There are different types of the data models and now let see each of them in detail... file based model Hierarchical mode...
Tuesday, April 28, 2020April 28, 2020
Advantages of DBMS
Advantages of DBMS Controlling data redundancy Data consistency Integration of data Data security Report writers Backup recovery pr...
April 28, 2020
Type of SQL commands
Type of SQL commands SQL languages its commands on the basis of functionalities performed by them. there are five types of SQL language w...
Monday, April 27, 2020April 27, 2020
What is planning?
Planning is usually interpreted as a process to develop a strategy to achieve desired objectives, to solve problems and to facilitate acti...
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