What you’ll learn
- Using Real World PostgreSQL Database Airlines Database.
- Use Python Pandas to Analyze and visualize Postgres Data Output.
- SQL Test Your Self, SQL Challenges, SQL Final Exam and more
- Use Python to visualize Postgres Data Output and get your Conclusion about Data.
- Use SQL to create databases.
- Use SQL to insert data into a table.
- Use SQL to Query & retrieve data from databases.
- Use SQL to Sort records after retrieving from databases.
- Use SQL to Group data by specific conditions.
- Use SQL to Filter data by using where clause.
- How & when to use Joins types in SQL.
- How to create and deal with Sub-queries in SQL.
- How to create and deal with common table expression in SQL.
- Use SQL to perform data analysis of real world databases
- Use SQL to perform advanced techniques to retrieve data from databases.
This course includes:
- 4 hours on-demand video
- 39 articles
- 1 downloadable resource
- Full lifetime access
- Access on mobile and TV
- Certificate of completion
Description
You will learn many PostgreSQL tips and tricks for querying data in the following topics in this course:
Use real PostgreSQL database Airline database.
What is database
SQL databases for beginners.
Installing the PostgreSQL database.
Create tables in a database using SQL.
Drop table from SQL database
Use a SELECT statement to query SQL database data
Use the WHERE clause to query SQL database data
The operator is used with the where clause in SQL database data queries.
AND & OR Use with SQL database data queries
as used with SQL database data queries.
Filter operators are used with SQL database data queries.
ORDER BY is used with SQL database data queries.
LIMITED use with querying SQL database data.
DIFFERENT USES with querying SQL database data.
Rename column in SQL database.
Use functions with data queries in SQL databases.
GROUP BY & HAVING Using clauses to query data in database.
Aggregation queries in SQL databases.
Using the CASE clause with database data queries.
SQL time and date data in database.
Join tables in SQL database.
INNER and OUTER join in SQL database.
The UNION, UNION ALL, INTERSECT, and EXCEPT clauses are used with SQL database data queries.
Subqueries are used when querying data in an SQL database.
Correlated subqueries are used with SQL database data queries.
Window function for analysis in SQL databases.
Challenge for more SQL practice in this course.
Final exam to query SQL database.
Why should you learn Structured Query Language (SQL)?
SQL was originally designed to allow non-IT professionals to request a record of facts, unless they wished to enlist the help of a programmer. SQL should be much more efficient than a question-by-example interface and more flexible than preview. The goal is to enable a new approach to examine and query current data.
SQL is a declarative language – the user tells the database what information it needs, and the database decides how to execute commands. The emphasis is on the end result of the method rather than the technique itself—in the end as an alternative to a means. This is different from the old way of programming, where the user had to describe the statistics collected step by step. However, SQL’s success and effectiveness depend on customers asking the right questions, and this is where SQL can help. SQL teaches database users how to properly formulate their queries to get the fastest and most accurate answers from the database.
As well as being able to use SQL to query databases, learning it encourages us to develop effective mental ways to speculate on data. We collect and store more facts – and we’ve been able to prove that statistics is an effective intellectual ability. Imagine all the records accumulated through the use of major social networks or companies protecting the free world!
PostgreSQL is free, open and unlimited, PostgreSQL is freely available and open. Definitely won’t buy. This makes it an excellent tool for learning about relational databases. PostgreSQL has very complete and clear documentation. While difficult for beginners – it’s a challenge to find factors that are easy to get into – once you’ve mastered the first steps, you won’t be short of facts to expand your knowledge.
It can also be the final answer when your development stops – which isn’t very reassuring, but it’s a lot better than knowing there isn’t a decent answer.
However, relational databases are the workhorse of the laptop industry. PostgreSQL has a state of the art implementation of SQL and is very close to the SQL standard. So your knowledge will benefit you as it is transferable and different SQL databases are available to you.
It’s just right for your thinking – and your career!
Still want to convince yourself that learning SQL is worth it?
Well, apart from developing new neural pathways in your brain, it can do wonders for your career prospects by making you a viable candidate. Having “PostgreSQL Knowledge” on your resume and online profile will almost certainly catch the attention of recruiters.
How to Get this course FREE?
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