Development Online Course by Udemy, On Sale Here
Learn the basic fundamentals of databases
An excellent training about Database Design & Development
Introduction to Basic Database Concepts
Databases are used in applications or devices with softwarethat stores and retrieves information. Applications likeFacebook, Twitter, Instagram, Pinterest, Snapchat, Google Hotmail Mobile phones and other portable devicesall have the ability to store and retrieve data. They all are able to achievethis using a database. Places like Banks, Hospitals, Airlines Supermarkets alluse databases to store and retrieve data or information. Things like yourSocial security number, Hospital Records number or Bank account number are allstored in a database. There are several concepts associated withdatabases and we will explore some of them in this course. We will learn aboutprimary keys, foreign keys, schemas, Flat file database, hierarchial databases. We interact with databases daily in our lives likewhen we read our emails or post something on Facebook or twitter. This course will teach you the very basics of some database conceptsand the course is video based and less than1 hour. What You Learn in this course: What is a Client Server ComputingWhat you will learn includesWhat is a database What is a Flat file database What is a Flat hierarchical databaseWhat is a RDMSWhat is a Database schemaWhat is a Primary KeyWhat is a Foreign keySQL is the language used to interact with databases like Oracle and othersSQL is a standard language for accessing and manipulating databases. What is SQL?SQL stands for Structured Query LanguageSQL lets you access and manipulate databasesSQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987What Can SQL do?SQL can execute queries against a databaseSQL can retrieve data from a databaseSQL can insert records in a databaseSQL can update records in a databaseSQL can delete records from a databaseSQL can create new databasesSQL can create new tables in a databaseSQL can create stored procedures in a databaseSQL can create views in a databaseSQL can set permissions on tables, procedures, and viewsSQL is a Standard – BUT. Although SQL is an ANSI/ISO standard, there are different versions of the SQL language. However, to be compliant with the ANSI standard, they all support at least the major commands (such as SELECT, UPDATE, DELETE, INSERT, WHERE) in a similar manner. Note: Most of the SQL database programs also have their own proprietary extensions in addition to the SQL standard!
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