Transact-SQL

A database is a collection of information sequenced and organized in such a way that the computer may be able to source and access it on demand by the operator. Like any other management system, a database management system is a collection of programs and protocols that enable the user to enter, sequence, organize, retrieve and select data on demand. Thus, a database management system (abbreviated as DBMS) can be defined as the cumulated system that helps the user to access and make effective use

combination of primary and foreign key in the tables being joined. I used these relational tables in assignments like working with chinook database, where the queries are written for optimizing various results by joining tables. Joining of tables in SQL Databases we generally use these concepts. Data Retrieval form database by comparing different tables these concept is very helpful. These concept goes down where the joining is applied on very large

In addition to its flexibility, these databases provides horizontal scalability and distributed computing that led to adoption of NoSQL databases in the firms. The SQL databases uses Structured Query Language whereas NOSQL databases use Unstructured Query Language which varies from database to database. 1.2 Features of NoSQL Databases: Schema on Read: There is no definite schema on the underlying data in the databases

application. Specifically, this report investigates the use of relational database design versus the no-SQL model as the preferred basis of the new application. The requirements to consider are: 1. Intensive Usage – Facebook has millions of users worldwide and produce billions of transactions. 2. Growth of the application is expected to be 10% per annum. 3.2 Definitions It is important to look at the key characteristics of these two different models in order to understand the conclusions

Analysis of Joins and Semi-joins in Centralized and Distributed Database Queries Komala Deepthi Sapireddy 10989274 Abstract: Centralized database management and distributed database management systems are the two different approaches for storing and for managing different databases. Irrespective of whichever approach used, the retrieval of data from central repository poses as a main challenge specially when using multiple tables. Primitive operations such as joins and semi joins used for the retrieval

A database management system or DBMS is a certain type of system software, which is used for the creation, and management of databases. A DBMS serves for multiple purposes but is mainly used to provide users and programmers with a systematic way to retrieve, create, manage, and update data. A DBMS serves as an interface between data and its end user, making sure that data is consistently organized and remains easily accessible to users. DBMS’s are vital to several aspects of our technological world

Research on Database Fundamentals Fundamentals on Database Management Systems Data and Information Data are raw facts of the block of information. To be reminded that all the data will not useful information. Useful information is fulfilled from processed data. Specially, data is to be explained in order to gain information. Database A database is a well-ordered collection of data that are linked in a meaningful way, which can be contacted in different logical orders. A collection of related data

MOOC and document orientated NoSQL database Abstract: MOOC (Massive Open Online Course) is getting popularity in not only in Universities worldwide but also in the people who want to enrich their skill sets. As the demand grows, different MOOC websites are taking appropriate action to provide more dynamic environment. They are using NoSQL to maintain the data. Most of the MOOC websites using Document type NoSQL databases to manage videos, forums and assignments. But when it comes to decide which

ANALYSIS NOSQL DATABASE MANAGEMENT DEPENDING ON THE FEATURES AND DIFFERENTIATION OF RDBMS ZAHRAA MUSTAFA ABDULRAHMAN AL-ANI JUNE 2015 ANALYSIS NOSQL DATABASE MANAGEMENT DEPENDING ON THE FEATURES AND DIFFERENTIATION OF RDBMS A THESIS SUBMITTED TO THE GRADUATE SCHOOL OF NATURAL AND APPLIED SCIENCES OF ÇANKAYA UNIVERSITY BY ZAHRAA MUSTAFA ABDULRAHMAN AL-ANI IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN THE DEPARTMENT

Facebook’s Cassandra (Column-oriented) There is also a much talked about database called Cassandra which also needs to be discussed. It was originally developed by Facebook as open-sourced in 2008 [6]. Facebook was among the first to try the system for its inbox search system, which controls and stores in its disk space, and with the high performance of the system within its service level agreement requirements more applications like Netflix, Twitter etc. embraced Cassandra as their storage engine