Looking for an exciting new career?
If you are planning your career path or looking for a transition in high-demand Jobs. Data Analyst is the most demand in 2021. A great option for anyone looking for a career change, a data analyst will be a great choice. to become a data analyst you need to have specific skills. learning SQL will be a good start towards a career as a data analyst. don’t know where to start? Here is the list of top free online courses for beginners.
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- Introduction and Setup
- Introduction to Querying
- Deep Dive into Querying
- SQL Joins
- Dates/Aggregation and String Functions
- Introduction to SQL
- Joining Data in SQL
- Intermediate SQL
- PostgreSQL Summary Stats and Window Functions
- Functions for Manipulating Data in PostgreSQL
- Data Analysis in SQL (PostgreSQL) Assessment
- Create Transact-SQL SELECT queries
- Work with data types and NULL
- Query multiple tables with JOIN
- Explore set operators
- Use functions and aggregate data
- Work with subqueries and APPLY
- Use table expressions
- Group sets and pivot data
- Modify data
- Program with Transact-SQL
- Implement error handling and transactions
This Diploma course in Databases and T-SQL online completely free. you can start Learning this course and gain knowledge about database technology and how to program using T-SQL. start with introduction about the database, basics of sql like DML, DDL, SELECT Statement and INTERSECT, and EXCEPT functions. update and delete data in the database. this is a clear and simple course design for you. this course contains 15 modules with 74 topics. you need 10 hours to complete this free online SQL course . start it today.
- Core Database Concepts
- Relational Concepts
- Creating Databases And Database Objects
- Using DML Statements
- SQL Server Administration Fundamentals
- Introducing Transact SQL
- Querying Tables With SELECT
- Query with Multiple Tables And Operators
- Using Functions And Aggregating Data
- Working With Subqueries, Table Expressions And Data
- Modifying Data And Using TSQL in Programming
- T-SQL Error Handling And Transactions
- Assessment
Udacity offers almost many courses for free. start learning this sql for data analysis free course offered by udacity. This is a beginner level course & it takes almost 4 weeks to complete it. this structured query language course designed in such a way that where you get to learn about extracting and analyzing data which is stored in a databases. also learn how to join the tables in sql and also learn how to perform aggregations in sql. learn how to do subqueries, manipulations, window functions, temp tables and more complex analysis with this wonderful free course.
Requirements: General knowledge of working with spreadsheets
What you will learn :
- How to write common SQL commands
- How to use logical operators in SQL
- How to JOINs & combine data from multiple tables
- How to write LEFT JOINS from multiple tables
- How to write common aggregation in SQL
- How to write CASE & DATE functions & NULL Values
- How to write subqueries & how to run multiple queries
- How to use temp tables & how to access tables for multiple queries
- How to do data cleaning using SQL
- How to perform more analysis task using window functions
Level : Beginner
Time Duration : Approx 4 weeks
For data science you need to have very good knowledge on database. learning this sql for data science not only boost your database knowledge but it will also start your journey towards data science. in this course you will learn sql for analysis purposes. this course covers the many sql topics for data science like common operators, data combination, use of case statements, data governance and profiling, structure interpretation and source data relationships for data analysis. this course you can take it completely free by apply for financial aid which is available for almost of the courses on coursera platform.
Requirements: There is no specific requirement although you will need simple text editor for final project.
What you will learn :
- How to identify data subset
- How to write sql query to limit results
- How to use sql commands to perform sort, filter & data summarization
- How to use UNION operator for analysis
- How to integrate data to perform analysis
Level : Beginner
Time Duration : Approx. 14 hours
