SQL Subqueries From Novice to Mastery
Published 2/2023
Created by Donatus Obomighie | PhD, MSc, PMP
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Genre: eLearning | Language: English | Duration: 70 Lectures ( 2h 29m ) | Size: 2.74 GB
Master Advanced SQL Subqueries: Nested, Correlated, Scalar, the Weird & Complex Parts for Better Data Retrieval
What you'll learn
How to write subqueries to select data from single and multiple tables.
The different ways to create subqueries that return a single value or multiple values.
How to use subqueries in the SELECT, FROM, WHERE, and HAVING clauses.
The concept of correlated subqueries, which depend on values from the outer query, and how to use them in SQL.
How to use subqueries to solve complex problems such as finding maximum or minimum values and records that don't have corresponding entries in other tables.
The difference between IN, EXISTS, and ANY/ALL operators in subqueries and when to use each one.
How to use subqueries to create more complex queries and better understand the structure and relationships in a database.
Hands-on practice with a variety of subquery examples, exercises, and challenges to build skills and confidence in using subqueries in SQL.
Requirements
Basic SQL knowledge. This includes familiarity with SQL syntax and basic SQL commands
MySQL WorkBench
Description
This course is designed to help you master the art of SQL subqueries and take your data management skills to the next level. Whether you're a beginner or an experienced SQL user, you'll learn how to effectively use subqueries to extract and manipulate data from your databases.Throughout the course, you'll learn about the different types of subqueries, including nested, correlated, scalar, row, column, and inline view subqueries. You will also acquire other SQL techniques such as JOIN, EXISTS, WHERE, HAVING, GROUP BY, and many more. You'll also learn how to use these techniques to solve real-world problems, and how to combine subqueries with other SQL techniques for maximum efficiency.By the end of the course, you'll have a deep understanding of how subqueries work and how to use them to extract the information you need from your databases. With this knowledge, you'll be able to create complex and powerful queries that help you analyze and manage your data like never before.Whether you're using MySQL, PostgreSQL, Microsoft SQL Server, or Oracle Database this course will give you the skills and knowledge you need to work with subqueries in your own databases. Whether you're looking to improve your data management skills for work or just want to learn something new, this course is the perfect place to start.The course is structured to provide a comprehensive understanding of SQL subqueries, starting from the basics and gradually building up to more advanced techniques. The course includes a combination of theoretical lessons, practical exercises, and hands-on projects to give you hands-on experience working with subqueries.You'll learn from an experienced instructor who has years of experience working with SQL and subqueries, and you'll have access to a supportive online community where you can ask questions. Whether you're just starting out or looking to brush up on your skills, this course has everything you need to master SQL subqueries and advance your data management skills.Enroll in this course today and start taking your data management skills to the next level!
Who this course is for
Those with basic SQL knowledge who wish to improve
Data analysts, business intelligence professionals, and aspiring SQL developers who want to improve their SQL skills
Database administrators who want to write more efficient and complex SQL queries
Anyone who has struggled with SQL subqueries in the past and wants to learn how to use them effectively
Individuals who want to become an expert in using SQL subqueries for data analysis and data management tasks.
Homepage
https://www.udemy.com/course/sql-subqueries-nested-correlated/Fikper
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