Database Systems Study guides, Class notes & Summaries

Relational DB's SQL properties -fixed schema, row oriented and optimized -rigid 2phase transactions, with locking and bottleneck -set theoretic -centralized distribution -computational, not navigational /interconnected and set-oriented -poor support for heterogeneity and compression Not SQL databases or not only SQL Column-oriented - HBase Key/value pairs - Google Dynamo Graph like - Neo4J Document based - MongoDB NO SQL properties Categories not distinct - take each on...

SQL is a domain-specific programming language designed for managing and communicating with data held in a relational database management system SQL is used for: -creating databases -adding, modifying and deleting database structures -inserting, deleting and modifying records in databases -querying databases Data Definition Language (DDL) used to create and modify the structure of the database example: CREATE ALTER or DROP Data Manipulation Language (DML) used to inse...

Ch. 1 - Data Recorded facts and numbers Ch. 1 - Row Contains data about a particular instance Ch. 1 - Column Stores a characteristic common to all rows Ch. 1 - Primary Key Used to create the relationships between the tables Ch. 1 - What is the most commonly used type of database? Relational database Ch. 1 - What is it called when more than one column in a table is combined to form a primary key?

database collection of related data DBMS software that manages and controls access to a database database application a program that interacts with the database at some point in its execution database system a collection of application programs that interact with the database along with the DBMS and the database itself file-based system A collection of application programs that perform services for the end-users, such as the production of reports. Each program de...

data vs. information data is raw facts and information is data in context database management is a field that focuses on the proper generation, storage, and retrieval of data Database is a shared integrate computer structure that store a collection of end user data and meta data meta data data about data: the characteristics and relationships that link data i.e. the name of each data element and the type of data stored DBMS database management system basically ma...

Test Bank For Database Systems, Design, Implementation and Management 13th Edition Carlos Coronel Steven morris | Complete All Chapters | Reviewed 2023. Data processing can be as simple as organizing data to reveal patterns. a. True b. False ANSWER: True DIFFICULTY: Easy REFERENCES: 1-2 Data versus Information LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 3. Data is the result of processing raw facts to reveal its meaning. a. True b. False ANSWER: Fal...

what is data raw facts what is information data processed to reveal meaning what does information require to reveal meaning context good decision making requires information that is accurate, relevant, timely, complete, and cost effective new knowledge can be derived from old knowledge data are the foundation of information, which is the bedrock of knowledge body of information and facts about specific subject implies familiarity, awareness, and u...

SQL is a domain-specific programming language designed for managing and communicating with data held in a relational database management system SQL is used for: -creating databases -adding, modifying and deleting database structures -inserting, deleting and modifying records in databases -querying databases Data Definition Language (DDL) used to create and modify the structure of the database example: CREATE ALTER or DROP Data Manipulation Language (DML) used to inse...

This document will covers all the possible SQL command for any university websites. Creating , tables, products, joins everything.

In this documents you can view the exams of SQL portions and then ERDS and indexing. Different sql queries for movie database and other related stuff. I hope you get good grades and your lot of time will be saved.