Database and SQL for Beginners

What you'll learn
What is a Database, DBMS and RDBMS
How to write SQL commands to create, retrieve, update and delete data in tables
Understand transaction management and how to use built-in functions
How to group data and get summaries, join tables to get data from multiple tables
Write advanced queries using subquery and understand role played by views and indexes

Requirements
None. Just working knowledge of Computer is enough to get the best from this Course.
Description
This course covers the following topics

What is a Database

DBMS and RDBMS

Relational Database Terminology - Primary key, Foreign key etc.

Structured Query Language (SQL)

Types of SQL commands - DDL, DCL, DML and Query

How to use SQLite Database System

How to install SQLite Studio and use it to create SQLite Database and interact with it

Designing and creating Tables

Constraints and Data Integrity - how to implement integrity rules

Querying data using SELECT command

Projection - selecting a few columns

Selection - selecting a few rows

ORDER BY clause and how to order by multiple columns

SQL Operators - BETWEEN .. AND, IN and LIKE

Manipulating data using INSERT, DELETE and UPDATE commands

Transaction Management - COMMIT and ROLLBACK

What is a function and how to use it in SQL commands

How to use Numeric functions

How to use String function to process strings

How to use DateTime functions

How to use Miscellaneous functions to deal with null values

How to use Group functions to get aggregates

Grouping data using GROUP BY clause

Selecting rows and then grouping them

Using HAVING clause to select groups

Joining tables

Using NATURAL JOIN and JOIN clauses

How to use outer join

Subqueries

Using subqueries in DML and DDL

Nested and multiple subqueries

Correlated Subquery

How to use Join, Subquery and Grouping together

What is a view

Where view is needed and its advantages

How to create a view and use it

What is an Index

How an index improves performance of a query

How to know whether index is being used in a query

Who this course is for
Anyone who wants to understand Database Management Systems and write SQL commands to retrieve and manipulate data
Application Developers who need to use SQL from programming languages (such as Java, Python and C#) to access data
Data Scientists who need to retrieve data from a Database to analyse and build Machine Learning Models
Business and Data Analysts who need to retrieve required data from a Database and analyse it

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