Advanced databases & sql techniques for experienced professionals looking to level up.
PostgreSQL is commonly known as Postgres and it is also open source database. There is an increasing need for data scientists and analysts to understand relational data stores. Organizations have long used SQL databases to store transactional data as well as business intelligence related data.
If you need to work with SQL databases, this course is designed to help you learn how to perform common relational database advanced queries using various analytic and aggregate functions. What you will learn includes:Downloading and installing PostgreSQLQuerying tables Introduction to Aggregate FunctionsWriting queries to perform various aggregate functions like: AVG, COUNT, SUM, MIN,MAXIntroduction to Analytic FunctionsIllustrating various Analytic functionsRow Number FunctionsUsing various types of OperatorsIntroduction to Table JoinsUsing various types of joinsWindowing functions for working with ordered data setsPostgresql INNER JOINRetrieving all Data from TablePostgreSQL FULL OUTER JOINPostgreSQL CROSS JOINPostgreSQL NATURAL JOIN PostgreSQL Left Join The course will teach you how to aggregate data,analyse data ,retrieve data from multiple tables using table joins and write more advanced queries.
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