SQL Bootcamp: Complete SQL Course

Two of the most popular database management systems, SQL and PostgreSQL, will be covered in this course's foundational lessons. You will discover how to build databases, tables, and views; how to add, edit, and remove data; and how to use SELECT queries to query data. Advanced subjects including joins, subqueries, and window functions will also be covered.

The initial purpose of SQL was to make it possible for non-IT individuals to query data from databases without needing the assistance of a programmer. SQL is meant to be far more flexible than pre-built reports and much more effective than user interfaces like inquiry through example. The original intention was to open up new avenues for exploring and exploring current data.

SQL Bootcamp: Complete SQL Overview

As a declarative language, SQL allows the consumer to specify the information that the database needs in order to process the instruction. Instead of focusing on the methodology itself, the method's ultimate result is highlighted—the goals as opposed to the means.

In contrast, the traditional method of programming requires the user to step-by-step specify the collection of statistics. However, consumers must ask the correct questions for SQL to be effective; this is where SQL may be useful.

You will learn many tips and tricks in PostgreSQL to query data through the following topics covered in this course:

• Using Real World PostgreSQL Database Airlines Database.

• Understand what a Database is.

• SQL database for beginners.

• Installing PostgreSQL database.

• Creating Tables in a database using SQL.

• Drop table from SQL database.

• SELECT Statement use with SQL database data querying 

• WHERE Clause use with SQL database data querying 

• Operators used with Where clause in SQL database data querying.

• AND & OR use with SQL database data querying like use with SQL database data querying.

• Filtering Operators use SQL database data querying.

• ORDER BY use with SQL database data querying.

• LIMIT use with SQL database data querying.

• DISTINCT use with SQL database data querying.

• Renaming Column in SQL database.

• Functions used with SQL database data querying.

• GROUP BY & HAVING Clauses use database data querying.

• Aggregation Queries in SQL database.

• CASE Clause use with database data querying.

• Time & date data in SQL in the database.

• Table Joins in SQL database.

• INNER and OUTER Joins in SQL database.

• UNION, UNION ALL, INTERSECT, and EXCEPT Clauses use SQL database data querying.

• Sub-queries use SQL database data querying.

• Correlated Sub queries use SQL database data querying.

• Window Functions for Analytics in SQL database.

• Challenges for more SQL practice in this course.

  
  

Why Should You Learn Structured Query Language (SQL)?

• To retrieve data from databases: SQL is the standard language for querying databases, so it is essential if you want to be able to access and analyze data.

• To manage databases: SQL can be used to create, modify, and delete tables, as well as insert, update, and delete data from tables.

• To build data-driven applications: SQL can be used to build web applications, mobile applications, and other types of applications that need to access and manipulate data.

• To improve your problem-solving skills: Learning SQL can help you develop your problem-solving skills by teaching you how to think logically and break down problems into smaller steps.

• To advance your career: SQL is a valuable skill for many different jobs, including data analyst, data scientist, software engineer, and database administrator.

This course is for:

• Anyone who wants to learn more about SQL & PostgreSQL.

• Anyone preparing for upcoming SQL interview questions.

• Anyone who wants to use SQL in Data Analysis, Apps Development, or Web Development.