Article Writing Homework Help

I need help creating a thesis and an outline on Late Travel company (LT). Prepare this assignment according to the guidelines found in the APA Style Guide. An abstract is required. DBMS uses various models including relational model. DBMS utilizes query language to get information. A query language can analyze and update data. It takes care of the security of the database. Unauthorized users are prevented from viewing, updating etc of the database.

Modeling language, query language, data structure and transaction mechanism are the main parts of DBMS.With the help of ‘Data Manipulation’ subsystem the user can add, delete or change information in a database.

Relational Databases are so popular in that they are the absolute choice for storage of financial records, logistical information, manufacturing in formation, personal information etc. The software is Relational Database Management System. (RDMS)

Constraint restricts the domain of an attribute and also the data to be stored in relations. . SQL makes use of ‘check constraints’. There are also domain constraints as every attribute has a related domain. ,

Normalization is an integral part of relational model. It checks duplication of data and simultaneously loss of data integrity. The Relational Model has three parts. Structures are objects which store the data.

Data has to remain the same during all the operations. It should not get disturbed during transfer, storage and retrieval. Data Integrity takes care that the data will always be consistent, correct and accessible. It remains faithful to its source.