Subqueries in SQL смотреть последние обновления за сегодня на .
In today's Advanced SQL lesson we walk through how to use Subqueries. Link to Code: 🤍 SUBSCRIBE! Do you want to become a Data Analyst? That's what this channel is all about! My goal is to help you learn everything you need in order to start your career or even switch your career into Data Analytics. Be sure to subscribe to not miss out on any content! RESOURCES: Coursera Courses: Google Data Analyst Certification: 🤍 Data Analysis with Python - 🤍 IBM Data Analysis Specialization - 🤍 Tableau Data Visualization - 🤍 Udemy Courses: Python for Data Analysis and Visualization- 🤍 Statistics for Data Science - 🤍 SQL for Data Analysts (SSMS) - 🤍 Tableau A-Z - 🤍 *Please note I may earn a small commission for any purchase through these links - Thanks for supporting the channel!* SUPPORT MY CHANNEL - PATREON/MERCH Patreon Page - 🤍 Alex The Analyst Shop - 🤍 Websites: GitHub: 🤍 *All opinions or statements in this video are my own and do not reflect the opinion of the company I work for or have ever worked for*
This video on Subquery in SQL will make you understand what subqueries are and how to write a subquery. You will learn subqueries using the select, insert, update and delete commands. You will look at the SQL subquery tutorial with examples on MySQL workbench. Got a Question on this topic? Let us know in the comment section below 👇 and we'll have our experts answer it for you. 🔥Explore Our Free Courses With Completion Certificate by SkillUp: 🤍 00:00:00 What is a Subquery? 00:03:49 Types of Subquery 00:04:04 Subqueries with the SELECT Statement 00:07:46 Subqueries with the INSERT Statement 00:15:18 Subqueries with the UPDATE Statement 00:19:04 Subqueries with the DELETE Statement ✅Subscribe to our Channel to learn more about the top Technologies: 🤍 To access the slides, click here: 🤍 ⏩ Check out the SQL training videos: 🤍 #SubqueryInSQL #SQLSubQueryTutorialWithExamples #WhatareSubQueriesInSQL #SQLSubQeuriesExplained #SQLTutorial #SQLTutorialForBeginners #SQLCourse #SQLTraining #SQLForBeginners #SQLCourse #SQLTraining #Simplilearn What is a Subquery in SQL? A subquery is a query within another query. they are nested inside a SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery. Subqueries can be categorized as correlated or uncorrelated. A subquery can be used anywhere an expression is allowed. It is another way of returning data from multiple tables. SQL Certification Training Course: Master SQL and improve your career prospects with Simplilearn’s SQL Database Training Course. Functional knowledge of SQL (Structured Query Language), the leading programming language for relational database management systems, is in high demand and can set you apart in the job market. This SQL certification course gives you all of the information you need to successfully start working with SQL databases and make use of the database in your applications. Learn how to correctly structure your database, author efficient SQL statements, and clauses, and manage your SQL database for scalable growth. Key Features: ✅ In-depth coverage of SQL fundamentals ✅ Covers all of the important query tools and SQL commands ✅ Industry-recognized course completion certificate ✅ Lifetime access to self-paced learning Benefits: SQL, though an old language, is highly significant today as companies across the world are gathering massive amounts of data for their growth. SQL consistently ranks high in the most-requested tech skills and learning it will add great value to your array of skills. Eligibility: This online SQL certification course is ideal for freshers, programmers, software developers, and testing professionals who want to learn SQL. It’s also ideal for marketing professionals and salespeople who want to better understand their company’s data. Pre-requisites: There are no prerequisites for this database training course. This course can be taken up by anyone who wants to learn SQL. 👉Learn more at: 🤍 For more updates on courses and tips follow us on: - Facebook: 🤍 - Twitter: 🤍 - LinkedIn: 🤍 - Website: 🤍 Get the Android app: 🤍 Get the iOS app: 🤍 🔥🔥 Interested in Attending Live Classes? Call Us: IN - 18002127688 / US - +18445327688
Visit 🤍 to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. This is the SQL Subquery Tutorial video which gives you a complete understanding of subqueries in SQL. We start with explaining what a subquery is and then writing a sample SQL query containing a subquery and then explaining how SQL processes a query statement containing a subquery. In this video we shall also look at the different types of subquery in SQL by writing SQL queries which uses these different types of subqueries. We shall look at single row subquery, multiple row sub query, single column subquery, multiple column subquery and also the correlated subqueries. This video will also explain about the different Clauses in SQL query where it is allowed to have a subquery and we shall look at example queries to explain these differences. Finally, we will look at the SQL commands like INSERT, UPDATE and DELETE where it is allowed to use subqueries. Hopefully, this videos gives you a complete understanding of what subqueries are, how to use them and where to use them. My recommended SQL Course: 🤍 [All the scripts and SQL queries used in this video is shared in my Discord server. You can join my discord by clicking on the below link. It's FREE] Join my Discord Server: 🤍 FTC disclaimer: This video was sponsored by Brilliant. 🔴 WATCH MORE VIDEOS HERE 👇 ✅ SQL Tutorial - Basic concepts: 🤍 ✅ SQL Tutorial - Intermediate concepts: 🤍 ✅ SQL Tutorial - Advance concepts: 🤍 ✅ Practice Solving Basic SQL Queries: 🤍 ✅ Practice Solving Intermediate SQL Queries: 🤍 ✅ Practice Solving Complex SQL Queries: 🤍 ✅ Data Analytics Career guidance: 🤍 ✅ SQL Course, SQL Training Platform Recommendations: 🤍 ✅ Python Tutorial: 🤍 THANK YOU, Thoufiq
Step-by-step tutorial shows you how to use SQL subqueries in your SELECT statement & FROM and WHERE clauses! Queries: 1) A subquery in the SELECT statement: SELECT customerid, freight, (SELECT AVG(freight) FROM orders) FROM orders 2) A subquery in the FROM clause: SELECT shipcountry, AVG(num_orders) FROM (SELECT customerid, shipcountry, count(*) AS num_orders FROM orders GROUP BY 1,2) sub GROUP BY 1 3) A subquery in the WHERE clause: SELECT * FROM orders WHERE employeeid IN (SELECT employeeid FROM employees WHERE LOWER(firstname) LIKE '%b%') Get the Northwind Database: 🤍 Support the Channel: 1) Subscribe: 🤍 2) DataCamp: 🤍 3) Udacity: 🤍
A subquery is a SQL query nested inside a larger query. They are extremely useful, thanks to which your code will be easier to read, simpler, so you will work much faster and more efficiently. If you want to learn or practice SQL, check out 🤍 Hello, my name is Adrian, and this is a series of videos devoted to the basics of SQL. This time, we’re going to give you an introduction to SQL subqueries, a very powerful tool when creating SQL queries. Let’s learn SQL together! 👌 Subscribe to our channel and leave a comment! 👌 Do you want to learn SQL? Go to LearnSQL.com and choose the course or track that is best for you! 👌 Join us on Facebook: 🤍 🔊 Music: 🤍
Word een SQL baas: extra uitleg en voorbeelden bij de lastigste onderwerpen van de SQL stof. In dit filmpje bekijken we subqueries: het koppelen van meerdere queries aan elkaar tot 1 samengestelde query. Inhoud: 0:09 Introductie 0:24 Het nut en doel van subqueries 1:56 Voorbeeld van een query met subquery 7:04 Subqueries om informatie uit meerdere tabellen te halen 10:51 Tip over het gebruik van IN in plaats van = bij subqueries De uitleg is gebaseerd op de SQL lesstof van Informatica VO voor het vak informatica in de bovenbouw van havo en vwo: 🤍
In this video we have discussed SQL Subquery in a very simple way with examples. Here we have discussed about single row subquery, multi row subquery, correlated subquery and how subqueries can be used in where clause, select clause and from clause. Different important queries are discussed using subquery which are very important for interviews. LinkedIn: 🤍linkedin.com/in/biplabparida Please Find SQL Commands to create Employee and Department table to practice: 🤍 Please like & share the video. Subscribe the Channel to keep watching intresting videos helpful for your career growth: 🤍 Checkout different playlists: PLSQL Tutorial : 🤍 Learn DBMS & SQL : 🤍 SQL Interview Questions and answers: 🤍 Java Interview Questions and Answers : 🤍 IT Career guidance: 🤍 Interview Tips : 🤍 IT Essentials and Tricks : 🤍 Checkout Important videos : Top 30 SQL Queries Interview Questions and Answers : 🤍 Top 50 SQL Concepts Interview Questions and Answers : 🤍 SUB QUERY : 🤍 Employee earning maximum salary in each department query : 🤍 How to delete duplicate rows from any table (2 different solutions): 🤍 How to find Nth highest salary (3 different solutions): 🤍 Tricky SQL Queries Part1 : 🤍 Basics of Database : 🤍 SQL OPERATORS : 🤍 AGGREGATE FUNCTION: 🤍 GROUP BY : 🤍 Solve any Date related query : 🤍 How to use Substring : 🤍 How to practice SQL Queries in local / Install Database in local : 🤍 IT Jobs without Coding : 🤍
How do you know when to use a subquery? Subqueries in SQL are a handy feature that let you use the results of one query as input into another query. They can simplify your query and make it easier to maintain. But how do you know when to use a subquery instead of other methods, such as joins? In this video, you’ll learn what a subquery is, when you should use a subquery, a simple example of a query, and transforming it to use a subquery to solve a problem. You’ll also see when you should use a subquery or a join, as well as several other tips for working with SQL subqueries. You can read more about subqueries in my article on subqueries: 🤍 Timestamps: 00:00 What you’ll learn in this video 00:34 When you should use a subquery 01:41 A step-by-step example without a subquery 03:56 Using a subquery 05:06 Subquery vs join 06:43 Tips for working with subqueries /// RESOURCES Get my free SQL Cheat Sheets for Oracle, SQL Server, MySQL, and Postgres here: 🤍 SQL Roadmap: an overview of SQL topics, which is a great place to start: 🤍 Contact me here for questions, sponsorship requests, and more: 🤍 Want to take your database and SQL skills to the next level? Sign up for Database Star Academy, the online platform for database development and SQL. Check it out here: 🤍
In this video we will discuss about subqueries in sql server. Let us understand subqueris with an example. Please create the required tables and insert sample data using the script below. Healthy diet is very important both for the body and mind. If you like Aarvi Kitchen recipes, please support by sharing, subscribing and liking our YouTube channel. Hope you can help. 🤍 Create Table tblProducts ( [Id] int identity primary key, [Name] nvarchar(50), [Description] nvarchar(250) ) Create Table tblProductSales ( Id int primary key identity, ProductId int foreign key references tblProducts(Id), UnitPrice int, QuantitySold int ) Insert into tblProducts values ('TV', '52 inch black color LCD TV') Insert into tblProducts values ('Laptop', 'Very thin black color acer laptop') Insert into tblProducts values ('Desktop', 'HP high performance desktop') Insert into tblProductSales values(3, 450, 5) Insert into tblProductSales values(2, 250, 7) Insert into tblProductSales values(3, 450, 4) Insert into tblProductSales values(3, 450, 9) Write a query to retrieve products that are not at all sold? This can be very easily achieved using subquery as shown below. Select [Id], [Name], [Description] from tblProducts where Id not in (Select Distinct ProductId from tblProductSales) Most of the times subqueries can be very easily replaced with joins. The above query is rewritten using joins and produces the same results. Select tblProducts.[Id], [Name], [Description] from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId where tblProductSales.ProductId IS NULL In this example, we have seen how to use a subquery in the where clause. Let us now discuss about using a sub query in the SELECT clause. Write a query to retrieve the NAME and TOTALQUANTITY sold, using a subquery. Select [Name], (Select SUM(QuantitySold) from tblProductSales where ProductId = tblProducts.Id) as TotalQuantity from tblProducts order by Name Query with an equivalent join that produces the same result. Select [Name], SUM(QuantitySold) as TotalQuantity from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId group by [Name] order by Name From these examples, it should be very clear that, a subquery is simply a select statement, that returns a single value and can be nested inside a SELECT, UPDATE, INSERT, or DELETE statement. It is also possible to nest a subquery inside another subquery. According to MSDN, subqueries can be nested upto 32 levels. Subqueries are always encolsed in paranthesis and are also called as inner queries, and the query containing the subquery is called as outer query. The columns from a table that is present only inside a subquery, cannot be used in the SELECT list of the outer query. Next Video: What to choose for performance? Queries that involve a subquery or a join Text version of the video 🤍 Slides 🤍 All SQL Server Text Articles 🤍 All SQL Server Slides 🤍 All Dot Net and SQL Server Tutorials in English 🤍 All Dot Net and SQL Server Tutorials in Arabic 🤍
SQL Subqueries | Subqueries in SQL - This SQL video teaches Subqueries using northwind database example table. For SQL Complete Tutorial watch 🤍 SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. #subqueries #sqlsubqueries
#MySQL #tutorial #course SELECT first_name, last_name, hourly_pay, (SELECT AVG(hourly_pay) FROM employees) AS avg_pay FROM employees; SELECT first_name, last_name FROM customers WHERE customer_id IN (SELECT DISTINCT customer_id FROM transactions WHERE customer_id IS NOT NULL);
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SQL Subquery in Hindi | Subquery in sql sql sub query video help you to learn different types of sub queries, single row sub query, multiple row sub query and correlated sub query in sql. MS SQL Hindi Playlist : 🤍 MS SQL English Playlist : 🤍 Power BI DAX Hindi Playlist : 🤍 Power BI DAX English Playlist : 🤍 Power BI Hindi Playlist : 🤍 Power BI English Playlist : 🤍 Please support & subscribe my new channel For Bhakti Quotes, Bhakti Stories, History, Aarti, Bhakti Geet and Vrat Katha, please subscribe the channel. भक्ति उद्धरण, भक्ति कहानियां, इतिहास, आरती, भक्ति गीत, व्रत कथा के लिए कृपया चैनल को सब्सक्राइब करें 🤍
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Mehr dazu (z.B. Präsentationsfolien, Übungsdatenbanken) hier: 🤍 Auf einfach verständliche Weise erkläre ich hier zwei Typen von Subqueries: a) Der Subselect gibt einen Wert zurück, b) Der Subselect gibt eine Tabelle zurück, die wir abfragen. In der nächsten Folge gibt es dann Übungen dazu.
In this episode, I’ll show you some more advanced SQL moves! Okay, I’d rather put them into the intermediate category. They are not beginner things — but that’s also for sure that junior data scientists can’t live without them. ARTICLE VERSION (RECOMMENDED): 🤍 00:00 Intro 01:27 SQL subqueries (query in a query) 08:41 Subquery syntax requirements 09:31 Test yourself #1 10:23 SQL CASE (the "if statement" of SQL) 16:37 SQL HAVING clause 21:57 Test yourself #2 22:46 Conclusion PREVIOUS EPISODES: - SQL TUTORIAL EP#1 video: 🤍 - The whole SQL tutorial series: 🤍 LINKS MENTIONED IN THE EPISODE: - SQL cheat sheet: 🤍 - Learn SQL (10+ tutorial articles): 🤍 - 7-day SQL online course: 🤍 - Article about subqueries, HAVING and CASE: 🤍 - Newsletter: 🤍 - Free mini-course: 🤍 Check my website: 🤍 Get access to more data science tutorials, join the inner circle: 🤍 Find me on Twitter: 🤍
Intellipaat SQL course: 🤍 🔵 In this live session on SQL Tutorial, you will learn what is SQL Subquery, examples of SQL and lot more interesting concepts of SQL. This SQL Subquery is a must watch for everyone who wish to learn SQL and make a career in it. #SQLSubquery #SQLSubqueryExample #SQLTraining #SQLCourse #SQLTutorial #Intellipaat 🔵 To subscribe to the Intellipaat channel & get regular updates on videos: 🤍 🔵 Read complete SQL Server tutorial here: 🤍 🔵 Get SQL Server cheat sheet here: 🤍 🔵 Interested to learn SQL still more? Please check similar SQL blogs here:- 🤍 Are you looking for something more? Enroll in our MS SQL Server course and become a certified SQL professional (🤍 It is a 16 hrs training where you can learn SQL through instructor-led training provided by Intellipaat which is completely aligned with industry standards and certification bodies. If you’ve enjoyed this SQL Subquery video, Like us and Subscribe to our channel for more similar informative SQL course tutorials. Got any questions about SQL Tutorial For Beginners video? Ask us in the comment section below. Intellipaat Edge 1. 24*7 Lifetime Access & Support 2. Flexible Class Schedule 3. Job Assistance 4. Mentors with +14 yrs 5. Industry Oriented Courseware 6. Lifetime free Course Upgrade 🔵 Why should you opt for a SQL career? SQL optimization has always been a popular topic in database management. SQL Database optimization can be an extremely difficult task, in particular for large-scale data wherever a minute variation can result or impact drastically on the performance. So learning this skill will definitely help you grab the best jobs in top MNCs after finishing Intellipaat SQL online training. The entire Intellipaat SQL course is in line with the industry needs. There is a huge demand for SQL certified professionals. The salaries for SQL professionals are very good. Hence this Intellipaat SQL database tutorial for beginners is your stepping stone to a successful career! For more information: Call Our Course Advisors IND: +91-7022374614 , US: 1-800-216-8930 (Toll-Free) sales🤍intellipaat.com Website: 🤍 Facebook: 🤍 LinkedIn: 🤍 Twitter: 🤍 Telegram: 🤍 Instagram: 🤍 Meetup: 🤍
Empezaremos a conocer las subconsultas y sus distintas formas de aplicarlas. Descarga de Base de Datos NORTHWIND: 🤍
We’re going to learn about SQL subqueries in the SELECT clause. Find out how to use them correctly and how it will improve your work with databases. If you want to learn or practice SQL, check out 🤍 It is very important to remember that a subquery in the SELECT clause must return exactly one row with exactly one column. If it returns more than that, you’ll get an error, and the query won’t work. For this reason, this sort of subquery frequently uses an aggregate function such as AVERAGE or SUM because such a function aggregates the rows and returns exactly one value. Without further ado, let’s get started! 👌 Subscribe to our channel and leave a comment! 👌 Do you want to learn SQL? Go to LearnSQL.com and choose the course or track that is best for you! 👌 Join us on Facebook: 🤍 🔊 Music: 🤍
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Learn SQL Subqueries with the IN operator. This is extremely helpful, thanks to which you will write better and clearer SQL queries. If you want to learn or practice SQL, check out 🤍 Hello, my name is Adrian. Welcome to another video in the series about SQL basics. We already know simple subqueries that return a single value. We talked about them in the previous video. This time, we’re going to tackle slightly more advanced examples, where a subquery returns more than one value. So, without further ado, let’s get started! Let’s learn SQL together! 👌 Subscribe to our channel and leave a comment! 👌 Do you want to learn SQL? Go to LearnSQL.com and choose the course or track that is best for you! 👌 Join us on Facebook: 🤍 🔊 Music: 🤍
In this video we have described SQL Queries and Subqueries (part-3) ► Full course of Structured Query Language (SQL): 🤍 ►Subscribe to our new channel: 🤍 Other subject playlist Link: ►Design and Analysis of algorithms (DAA): 🤍 ►Operating System: 🤍 ► Theory of Computation 🤍 ►Artificial Intelligence: 🤍 ►Computer Architecture: 🤍 ►Computer Networks: 🤍 ►DBMS 🤍 ►Discrete Mathematics: 🤍 ►Compiler Design: 🤍 ►Number System: 🤍 ►Cloud Computing & BIG Data: 🤍 ►Software Engineering: 🤍 ►Data Structure: 🤍 ►Graph Theory: 🤍 ►Programming in C: 🤍 - Our social media Links: ► Subscribe us on YouTube: 🤍 ► Like our page on Facebook: 🤍 ► Follow us on Instagram: 🤍 ► Follow us on Telegram: 🤍 ►For Any Query, Email us at: gatesmashers2018🤍gmail.com ►Be a Member & Give your Support on the below link: 🤍
O que são Subconsultas SQL (Subqueries) em Bancos de Dados Neste vídeo apresentamos o conceito de Subconsulta #SQL (#Subquery) em Bancos de Dados Relacionais, com exemplos de aplicação usando o SGBD MySQL. Seja membro deste canal e ganhe benefícios: 🤍 Contribuição via PIX: Você pode contribuir com qualquer valor que desejar, de forma muito fácil e prática, fazendo uma transferência via PIX para a seguinte chave: EC25A929-A8C5-40C5-AEC0-3DD36D08A147 Contribua com a Bóson Treinamentos!: 🤍 Por Fábio dos Reis Bóson Treinamentos: 🤍 Facebook: 🤍 Pinterest: 🤍 Twitter: 🤍 Instagram: 🤍 Linkedin: 🤍 Quora: pt.quora.com/profile/Fábio-dos-Reis Outros projetos do autor: Diário do Naturalista: 🤍 Bóson Ciências: 🤍 #bosontreinamentos
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Subqueries with Group By and Having clause Check out our website: 🤍 Follow Telusko on Twitter: 🤍 Follow on Facebook: Telusko : 🤍 Navin Reddy : 🤍 Follow Navin Reddy on Instagram: 🤍 Subscribe to our other channel: Navin Reddy : 🤍 Telusko Hindi : 🤍
Discover uses of SQL Subqueries with ANY and ALL operators. Write better inquiries and work more efficiently. If you want to learn or practice SQL, check out 🤍 Hello, my name is Adrian. Welcome to another video in the series about SQL basics. In the previous video (🤍 we combined multiple return values from SQL subqueries with the IN operator. Today, we’ll talk about two more similar operators: ANY and ALL. Let’s get down to them! Let’s learn SQL together! 👌 Subscribe to our channel and leave a comment! 👌 Do you want to learn SQL? Go to LearnSQL.com and choose the course or track that is best for you! 👌 Join us on Facebook: 🤍 🔊 Music: 🤍
Learn Yourself using pen drive in offline video link 🤍 *Online Classes Starts on First Week of every Month : For Details Contact 9676905431 * #edusoft4u #edusoftlearningsystems#vijaykumarparvathareddy Download Subject related examples & Exercises at: 🤍 This video is part of Edusoft Learning Systems Computer software training in Telugu video series. This video explained by VIJAY KUMAR PARVATHAREDDY. This video explains about Subqueries & Correlated subqueries in SQL Server. Touch with us at: 🤍 🤍 🤍 🤍 Visit 🤍 Call us at : 9676905431
subquery is a query within a query. You can create subqueries within your SQL statements. These subqueries can reside in the WHERE clause, the FROM clause, or the SELECT clause.