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Online SQL Courses For Seniors
Structured Query Language, or SQL for short, is a widely recognized standard language used for database administration that allows for tasks including data retrieval and modification.
Structured Query Language, or SQL for short, is a widely recognized standard language used for database administration that allows for tasks including data retrieval and modification.
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In addition to being a programming language, SQL also enables us to interact with data by seeing it as logical sets, much as joins in SQL adhere to the Venn diagram paradigm.
SQL can be used by members of the marketing or sales teams to look through their data by running a few queries on the dataset, it defies the common misconception that programming languages are only used for programming. For example, SQL can be used to see the trend of sales or marketing campaigns.
The Financial Industry may also benefit from SQL’s benefits for financial analysis, which can assist to save a ton of time when examining large amounts of financial data. Technology is always evolving. To thrive in the IT business, one must always keep up to speed on the newest innovations. Because the majority of data-oriented technologies employ SQL interface, SQL becomes a buddy throughout the learning period of new technology. Check out these outstanding free SQL classes for seniors and improve your technological knowledge.
In addition to being a programming language, SQL also enables us to interact with data by seeing it as logical sets, much as joins in SQL adhere to the Venn diagram paradigm.
SQL can be used by members of the marketing or sales teams to look through their data by running a few queries on the dataset, it defies the common misconception that programming languages are only used for programming. For example, SQL can be used to see the trend of sales or marketing campaigns.
The Financial Industry may also benefit from SQL’s benefits for financial analysis, which can assist to save a ton of time when examining large amounts of financial data. Technology is always evolving. To thrive in the IT business, one must always keep up to speed on the newest innovations. Because the majority of data-oriented technologies employ SQL interface, SQL becomes a buddy throughout the learning period of new technology. Check out these outstanding free SQL classes for seniors and improve your technological knowledge.
Enrol Today In The Comprehensive And Free Course, SQL for Data Analysis By Mode!
This Superb Course, ideal for Senior beginners, starts out with an introduction to SQL fundamentals for using only one table. You will get familiar with basic SQL commands like SELECT and FROM to retrieve columns from a table, WHERE to indicate a condition that must be satisfied, and logical operators to combine criteria.
Next, you’ll discover how to use JOIN commands, which are built on mathematical set operators, to integrate data from several tables. The terms JOIN, INNER JOIN, LEFT JOIN, and RIGHT JOIN will be covered.
The fact that SQL can carry out fundamental statistical operations like SUM, MIN, and MAX is one of the things that makes data scientists like it. Along with learning a few additional functions like CASE, HAVING, and DATE to add to your toolbox, you’ll learn how to leverage these aggregate methods to extract insights from the data.
Details:
• Institution, Mode
• Provider, Udacity
• Instructor, Derek Steer
• Level, Beginner
• Length, 4 weeks long
• Certificate, None
Price: Free
Join The Relational Databases And SQL Course, Offered Free By The Prestigious Stanford University!
Relational Databases are the focus of this course, mostly from the standpoint of database application designers, users, and developers. You’ll also get in-depth instruction on SQL, the widely used standard query language for relational database systems.
The fact that all of the course materials are completely free and available sets this course apart from other edX courses, even if only students who pay for the course will obtain a certificate.
You’ll discover seven factors that make relational databases so popular, as well as how these factors show themselves in the databases’ architecture and guiding principles. The database management system and four main ideas will also be emphasized: the data model, schema versus data, data definition language (DDL), and data manipulation or query language (DML).
Details:
• Institution, Stanford University
• Provider, edX
• Instructor, Jennifer Widom
• Level, Beginner
• Length, 16—20 hours total
• Certificate, Paid
Price: Free
Intro To SQL From The Kaggle Institution Is The Perfect Beginning For Seniors!
The Computer Language for managing databases is called SQL, and Google’s online service BigQuery enables you to use SQL on enormous amounts of data. You’ll discover the fundamentals of using and analysing BigQuery datasets.
After that, you’ll discover the fundamental structure of a SQL query. With SELECT and FROM, you’ll begin obtaining data from tables, and WHERE will be used to filter it according to requirements. By learning a few other commands, such GROUP BY to group columns together and ORDER BY to arrange data, you may gradually add to your query piece by piece.
Additionally, SQL has methods like COUNT and SUM that let you summarize and get a statistical breakdown of your data. You’ll also discover how to create nested inquiries using WITH and rename the returning columns to more simply clean up the data from your query.
Details:
• Institution, Kaggle
• Instructor, Rachael Tatman and Alexis Cook
• Level, Beginner
• Length, 3 hours total
• Certificate, Free
Price: Free
Foundations For Big Data Analysis With SQL By Cloudera, Teaches Concepts And Vocabulary Used By Database Managers!
Starting With The Foundations Of Database Architecture, such as what primary keys, foreign keys, and database triggers are, this Amazing Free Course explores the ideas and specialized language used by all users of SQL and relational databases.
The basic attributes of large data repositories are then covered throughout the course. You’ll comprehend the distinctions between big data and relational databases as well as the “three V’s” of big data: volume, velocity, and variety.
Relational databases don’t automatically pick up and shift over to embrace Big Data, which is unfortunate since big data and SQL don’t work together well. You’ll discover how certain technologies extend SQL to accommodate huge data and how these systems manage metadata in a different way than conventional relational systems.
Details:
• Institution, Cloudera
• Provider, Coursera
• Instructor, Glynn Durham
• Level, Beginner
• Length, 12 hours total
• Certificate, Paid
Price: Free
