A DBMS enables you to take many security measures, such as multi-level access control, audit trails, and encryption, to secure and protect your data from unauthorized access. In addition to its robust security, DBMS also allows you to ensureHIPAA complianceand comply with other laws and regulat...
The self-learning classes and practice labs helped me understand the concepts and provided in-depth knowledge. Simon Jackson Solutions Architect, Alltime Technologies Being someone who is passionate about continuous learning, I took up the PGP in Cloud Computing because of its association with Cal...
Over the recent five years, we have designed, implemented, and optimized our prototype system XTC, a native XDBMS providing multi-user read/write transactions and supporting multi-lingual query interfaces (XQuery, XPath, DOM, SAX). We have compared competing concepts in various system layers and...
This article delves into what keys are, the various types of keys in relational databases, and their significance in database management systems (DBMS). Whether you’re a student, professional, or enthusiast in computer engineering, understanding keys is essential for mastering database concepts. Ta...
This chapter focuses on the keys used in a database. A key by definition is unique and cannot be null. The surrogate key is one of the most misunderstood concepts in relational database management systems (RDBMS), where its newer users fake surrogate keys with various proprietary autonumbering...
The selection of terms for this topic is especially difficult, so a whole host of reasons. Suffice it to say that these 16 concepts do not adequately represent all important terminology related to databases. I hope that they do, however, provide a jumping off point for those interested in le...
Learn how to create a custom directive in AngularJS with key steps, concepts, and practical examples for enhancing your web development skills.
What is a constraint in database? What is your understanding of entity integrity versus referential integrity? Illustrate them with simple examples for ease in understanding the concepts. What are the advantages of adding indexes to a database table? What is the difference between a database Field...
The "entity identifier" in an Entity Relationship Diagram (ERD) and the "primary key" in a database table are related concepts, but they differ in their context and use within the data modeling and database implementation processes: Entity Identifier in an ERD Conceptual Role: The entity ...
While it is often assumed that the reference must be the primary key of the referenced table, this is not always the case. This tutorial will explain how to create tables with references that are not the primary key of the referenced table, and provide examples to illustrate these concepts....