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🔥 𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 𝐌𝐚𝐬𝐭𝐞𝐫𝐬 𝐂𝐨𝐮𝐫𝐬𝐞 Visit: 🤍 (Use Code "𝐘𝐎𝐔𝐓𝐔𝐁𝐄𝟐𝟎") This Edureka video on "Primary Key and Foreign Key in MySQL '' will introduce you to the concept of Primary Key and Foreign Key with a hands-on demo on MySQL Workbench. We will discuss the Syntax with examples and understand how to create a table with Primary Key and Foreign Key restrictions. If you have any queries, please mention in the comment section below and let us know if you have any more points to add in this video. Following pointers are covered in this Primary Key and Foreign Key in MySQL video: 00:00 Introduction 00:26 Agenda 00:42 What is Primary Key? 01:03 Example of Primary Key 02:00 Syntax 02:49 What is Foreign Key? 03:08 Example of Foreign Key 04:07 Syntax 04:53 Hands-on Tutorial on Primary Key and Foreign Key 🔴Subscribe to our channel to get video updates. Hit the subscribe button above: 🤍 -𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐎𝐧𝐥𝐢𝐧𝐞 𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠 𝐚𝐧𝐝 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧- 🔵 DevOps Online Training: 🤍 🌕 AWS Online Training: 🤍 🔵 Data Science Online Training: 🤍 🌕 Tableau Online Training: 🤍 🔵 Power BI Online Training: 🤍 🌕 Selenium Online Training: 🤍 🔵 PMP Online Training: 🤍 🌕 Salesforce Online Training: 🤍 🔵 Cybersecurity Online Training: 🤍 🌕 Java Online Training: 🤍 🔵 Big Data Online Training: 🤍 🌕 RPA Online Training: 🤍 🔵 Python Online Training: 🤍 🌕 Azure Online Training: 🤍 🔵 GCP Online Training: 🤍 🌕 Microservices Online Training: 🤍 -𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐑𝐨𝐥𝐞-𝐁𝐚𝐬𝐞𝐝 𝐂𝐨𝐮𝐫𝐬𝐞𝐬- 🔵 DevOps Engineer Masters Program: 🤍 🌕 Cloud Architect Masters Program: 🤍 🔵 Data Scientist Masters Program: 🤍 🌕 Big Data Architect Masters Program: 🤍 🔵 Machine Learning Engineer Masters Program: 🤍 🌕 Business Intelligence Masters Program: 🤍 🔵 Python Developer Masters Program: 🤍 🌕 RPA Developer Masters Program: 🤍 🔵 Web Development Masters Program: 🤍 🌕 Computer Science Bootcamp Program : 🤍 🔵 Cyber Security Masters Program: 🤍 🌕 Full Stack Developer Masters Program : 🤍 🔵 Automation Testing Engineer Masters Program : 🤍 🌕 Python Developer Masters Program : 🤍 🔵 Azure Cloud Engineer Masters Program: 🤍 𝐄𝐝𝐮𝐫𝐞𝐤𝐚 𝐏𝗼𝘀𝘁 𝗚𝗿𝗮𝗱𝘂𝗮𝘁𝗲 𝐂𝐨𝐮𝐫𝐬𝐞𝐬 🔵 Artificial and Machine Learning PGD with E & ICT Academy NIT Warangal: 🤍 🌕 Post Graduate Program in DevOps with Purdue University: 🤍 #SQL #SQLSERVER #MYSQL #Edureka #MYSQLWORKBENCH #CREATETABLE #CREATETABLEINMYSQL #SQLTUTORIAL #MYSQLTUTORIAL 📢📢 𝐓𝐨𝐩 𝟏𝟎 𝐓𝐫𝐞𝐧𝐝𝐢𝐧𝐠 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐭𝐨 𝐋𝐞𝐚𝐫𝐧 𝐢𝐧 𝟐𝟎𝟐𝟐 𝐒𝐞𝐫𝐢𝐞𝐬 📢📢 ⏩𝐓𝐨𝐩 𝟏𝟎 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐭𝐨 𝐋𝐞𝐚𝐫𝐧 𝐢𝐧 𝟐𝟎𝟐𝟮: 🤍 ⏩𝐓𝐨𝐩 𝟏𝟎 𝐇𝐢𝐠𝐡𝐞𝐬𝐭 𝐏𝐚𝐲𝐢𝐧𝐠 𝐉𝐨𝐛𝐬 𝐅𝐨𝐫 𝟐𝟎𝟐𝟐: 🤍 ⏩𝐓𝐨𝐩 𝟏𝟎 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 𝐟𝐨𝐫 𝟐𝟎𝟐𝟐: 🤍 ⏩𝐓𝐨𝐩 𝟏𝟎 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐟𝐨𝐫 𝟐𝟎𝟐𝟐: 🤍 📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦: 🤍 📌𝐓𝐰𝐢𝐭𝐭𝐞𝐫: 🤍 📌𝐋𝐢𝐧𝐤𝐞𝐝𝐈𝐧: 🤍 📌𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦: 🤍 📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤: 🤍 📌𝐒𝐥𝐢𝐝𝐞𝐒𝐡𝐚𝐫𝐞: 🤍 📌𝐂𝐚𝐬𝐭𝐛𝐨𝐱: 🤍 📌𝐌𝐞𝐞𝐭𝐮𝐩: 🤍 📌𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲: 🤍 Please write back to us at sales🤍edureka.co or call us at IND: 9606058406 / US: 18338555775 (toll-free) for more information.
In today's SQL tutorial we will learn more about the primary key and the foreign key which are both crucial parts of sql tables. A primary key is a special key which uniquely identifies each record in a table. It is very important in the relational database to have a unique identifier in each row of a table and primary key is just the thing you need to uniquely identify a tuple within a table. A tuple represents a set of value attributes in a relational database. A primary key may refer to a column or a set of columns in a relational database table used to implicitly identify all records in the table. The primary key must be unique for each record as it acts as a unique identifier and it should not contain Null values. Each database must have one and only one primary key. A foreign key refers to a field or a collection of fields in a database record that uniquely identifies a key field of another database record in some other table. In simple terms, it establishes a link between records in two different tables in a database. It can be a column in a table that points to the primary key columns meaning a foreign key defined in a table refers to the primary key of some other table. References are crucial in relational databases to establish links between records which is essential for sorting databases. Foreign keys play an important role in relational database normalization especially when tables need to access other tables. What is SQL? SQL (Structured Query Language) is a standardized programming language that's used to manage relational databases and perform various operations on the data in them. Initially created in the 1970s, SQL is regularly used not only by database administrators, but also by developers writing data integration scripts and data analysts looking to set up and run analytical queries. The uses of SQL include modifying database table and index structures; adding, updating and deleting rows of data; and retrieving subsets of information from within a database for transaction processing and analytics applications. Queries and other SQL operations take the form of commands written as statements commonly used SQL statements include select, add, insert, update, delete, create, alter and truncate. SQL became the de facto standard programming language for relational databases after they emerged in the late 1970s and early 1980s. Also known as SQL databases, relational systems comprise a set of tables containing data in rows and columns. Each column in a table corresponds to a category of data for example, customer name or address while each row contains a data value for the intersecting column. SQL standard and proprietary extensions An official SQL standard was adopted by the American National Standards Institute (ANSI) in 1986 and then by the International Organization for Standardization, known as ISO, in 1987. More than a half-dozen joint updates to the standard have been released by the two standards development bodies since then; as of this writing, the most recent version is SQL:2011, approved that year. Source: 🤍 LINKEDIN: 🤍 PORTFOLIO: 🤍 GITHUB: 🤍
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How to make Primary Key and Foreign Key By query in SQL server? #SQL_Database #Primary_Key #Foreign_Key #Primary_Key_Foreign_Key #SQL_Query
what is primary key and foreign key in sql difference in primary key vs foreign key best explianation of primary key foreign key in sql server 2019 primary key foregin key sql server 2016 sql server 2019 Complete Playliist: 🤍
Dr. Soper shows how to create simple and composite primary keys and foreign key relationships in a SQL Server database using SQL Server Management Studio. Several different methods of creating keys and establishing relationships between tables are demonstrated.
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This python MySQL tutorial will cover how to create foreign keys in SQL and how to relate tables together. Foreign keys are simply a way to relate two tables together through having the same column values of one table stored in another. Playlist: 🤍 ◾◾◾◾◾ 💻 Enroll in The Fundamentals of Programming w/ Python 🤍 📸 Instagram: 🤍 🌎 Website 🤍 📱 Twitter: 🤍 ⭐ Discord: 🤍 📝 LinkedIn: 🤍 📂 GitHub: 🤍 🔊 Podcast: 🤍 💵 One-Time Donations: 🤍 💰 Patreon: 🤍 ◾◾◾◾◾◾ ⚡ Please leave a LIKE and SUBSCRIBE for more content! ⚡ Tags: - Tech With Tim - Python Tutorials - Python MySQL Tutorial - MySQL Tutorial Python - Foreign Keys Python MySQL - Foreign Keys MySQL - SQL Foreign Keys #Python #MySQL #SQL
In this video we will learn 1. Creating tables 2. Enforcing primary key and foreign key constraints Text version of the video 🤍 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. 🤍 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 🤍
شرح مبسط لكل من Primary Key و ايضا Forging Key و علاقتهم بقواعد البينات . علاقات قواعد البيانات البرايمري كي الفورين كي قواعد البيانات Database Relationships تعلم أساسيات قواعد البيانات دورة أساسيات قواعد البيانات تعلم MySQL تعلم Oracle دورة قواعد البيانات
In this video You will be able to understand foreign key from scratch. Also What is referential integrity and how we maintain it in database. All points are explained with most suitable examples. Student always find this topic difficult but after watching this video all the doubts will be clear. ►Foreign Key part-2: 🤍 DBMS Notes: File 1: 🤍 File 2: 🤍 Contributed by: Anurag Singhal ► Full course of DBMS 🤍 ►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: 🤍 ►Structured Query Language (SQL): 🤍 ►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: 🤍 #foreignKey#Constraints#ReferentialIntegrity#DBMS#GATE#ugcNet
In this tutorial you will learn mysql primary key and foreign key tutorial in Hindi, Urdu.You can learn how to use mysql contraints primary key and foreign key on tables columns.You will also know what is difference between primary key and foreign key in hindi. PHP Tutorial in Hindi Playlist 🤍 MySQL Tutorial in Hindi / Urdu Playlist 🤍 Official Website 🤍 Follow us on Facebook 🤍 Follow us on Twitter 🤍 #mysql #webdevelopment #php
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A primary key is the column or columns that contain values that uniquely identify each row in a table. A database table must have a primary key for Optim to insert, update, restore, or delete data from a database table. 0:00 - Introduction 0:05 - Primary key 3:52 - Candidate key Primary key is one of the most important concept of DBMS. In this video you will be able to understand Primary Key with most suitable examples. DBMS Notes: File 1: 🤍 File 2: 🤍 Contributed by: Anurag Singhal ► Full course of DBMS 🤍 ►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: 🤍 ►Structured Query Language (SQL): 🤍 ►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: 🤍 #PrimaryKey#DBMS#collegeUniversityExams#GATE#UGCNET#nielit#psu#placements
👉🏻 Sign up for Our Complete Data Science Training with 57% OFF: 🤍 👉🏻 Download Our Free Data Science Career Guide: 🤍 This tutorial for beginners will introduce you to Database Terminology. Video Timestamps: 00:16 Relational Database Essentials 4:47 Database Terminology 13:28 Relational Schemas: Foreign Key 18:09 Relational Schemas: Unique Key and Null Values 21:15 Relationships What is the first thing that comes to your mind when you hear the word “database”? For many people, this question is more challenging than it might seem at first. An answer like “a big file where much information is stored” is not satisfactory and would not please potential employers. You should remember there are two main types of databases – relational and non-relational. The former will be the focus of this course, while the latter regards more complex systems. Although understanding non-relational databases requires a serious mathematical and programming background, some of the logic applied in its coding is the same as SQL. Likewise, relational databases have a few advantages on their own. A small bit of theory will explain why they are still the preferred choice in many companies and institutions. Databases’ main goal is to organize huge amounts of data that can be quickly retrieved upon users’ request. ► Consider hitting the SUBSCRIBE button if you LIKE the content: 🤍 ► VISIT our website: 🤍 🤝 Connect with us LinkedIn: 🤍 365 Data Science is an online educational career website that offers the incredible opportunity to find your way into the data science world no matter your previous knowledge and experience. We have prepared numerous courses that suit the needs of aspiring BI analysts, Data analysts and Data scientists. We at 365 Data Science are committed educators who believe that curiosity should not be hindered by inability to access good learning resources. This is why we focus all our efforts on creating high-quality educational content which anyone can access online. Check out our Data Science Career guides: 🤍 #MySQL #DataScience #SQL
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#GrowTechnicalSkill#SQLPrimaryKey#SQLForeignKey#SQLForBeginner#SQLTutorial# Welcome Guys...!! I am sharing a new video of the SQL Tutorial. In this video you will learn mysql primary key and foreign key tutorial in Hindi. You also learn what is the syntax of SQL primary key and foreign key.You can learn how to use mysql contraints primary key and foreign key on tables columns.You will also know what is difference between primary key and foreign key in hindi Video's Link:- ► Link For What Is Database, DBMS & RDBMS: 🤍 ►Link For What Is SQL Data Types: 🤍 ►Link For What Is SQL Constraints: 🤍 ►Link For How To Create Local Connection In PostgreSQL: 🤍 ►Link For What Is SQL DDL Command: 🤍 ►Link For What Is SQL DML Command: 🤍 ►Link For What Is SQL DCL Command: 🤍 ►Link For What Is SQL TCL Command: 🤍 ►Link For What Is SQL Create Table Statement: 🤍 ►Link For What is SQL Insert Into Statement: 🤍 ►Link For What is SQL Select Statement & SQL Select Distinct Statement: 🤍 ►Link For What is SQL Where Clause: 🤍 ►Link For SQL Operators or What is SQL Arithmetic Operators: 🤍 ►Link For SQL Operators or What is SQL Comparison Operators: 🤍 ►Link For SQL Operators or What is SQL Logical Operators: 🤍 ►Link For SQL Operators or What is SQL Special Operators: 🤍 ►SQL Select Statement: 🤍 ►SQL AND, OR and NOT Operators: 🤍 ►SQL Order By Keyword: 🤍 ►SQL IS NULL() and IS NOT NULL() Operators: 🤍 ►SQL Update Statement: 🤍 ►SQL Delete Statement: 🤍 ►SQL Max() & Min() functions: 🤍 ►SQL Count(),AVG() and SUM() functions: 🤍 ►SQL LIKE Operator: 🤍 ►SQL Between & Not Between Operators 🤍 Our Social Links:- ►Subscribe For Our YouTube Channel - 🤍 ►Link For Our Instagram Page - 🤍instgram.com/growtechnicalskill Tags:- foreign key dbms primary key and foreign key in sql primary key and foreign key examples primary and foreign key in sql primary key & foreign key primary key and foreign key in sql with examples foreign key in dbms with example primary key and foreign key in sql with examples pdf key constraints in sql primary key and secondary key foreign key constraints in dbms reference key in sql primary key foreign key unique key create table in sql with primary key and foreign key primary key unique key and foreign key create table with primary key and foreign key definition of foreign key in dbms sql server create table foreign key create table in sql server with primary key and foreign key primary key foreign key in sql sql keys and constraints SQL Primary & Foreign Key Constraint Working with Primary & Foreign key Constraint in SQL Server | SQL Server Tutorial MySQL PRIMARY KEY & FOREIGN KEY Tutorial in Hindi / Urdu Foreign Key in DBMS | Full Concept with examples | DBMS in Hindi Oracle - SQL - Foreign Key Constraint Primary Key and Foreign Key in SQL in Hindi Add Foreign Key Constraint in a Table SQL (Hindi) Primary and Foreign Key Constraint Reference Table Example SQL Server foreign key in dbms syntax primary key and foreign key sql add primary key and foreign key in sql create table in mysql with primary key and foreign key use of foreign key in dbms primary key unique key and foreign key in sql primary key and foreign key syntax fk in sql foreign and primary key in sql primary key and foreign key in sql server create primary key and foreign key in sql foreign key syntax in dbms primary and foreign key in sql with example sql primary key foreign key primary foreign key sql create table with primary and foreign key primary key and secondary key in sql composite foreign key in sql primary key and foreign key w3schools create table using primary key and foreign key syntax for primary key and foreign key in sql primary key and foreign key in dbms with example query for primary key and foreign key in sql syntax of primary key and foreign key example for foreign key in sql fk sql pk fk sql sql composite foreign key sql primary foreign key sql create table primary key and foreign key sql create table with primary key and foreign key foreign key composite primary key sql primary key and foreign key at the same time foreign key and primary key sql primary key foreign key composite key fk pk sql
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Download Notes & Source Code Of This Video From Our Website, Link Given Below. 🤍 #foreignkey #primarykey #sqlserver #sql #sqltutorial #sqltutorialforbeginners #sqltutorials #sqlservermanagementstudio #sqlservertutorial foreign key sql foreign key in sql foreign key in sql server sql foreign key sql server foreign key foreign key in sql server 2012 primary key foreign key sql primary key foreign key in sql sql primary key and foreign key primary key and foreign key relationship sql primary key and foreign key relationship in sql primary key with foreign key in sql foreign key primary key foreign key constraint database foreign key what is foreign key sql sql server database primary key foreign key relationship in sql server Hands on MSSQL Training Online MSSQL Training MSSQL Tutorial Videos MSSQL Overview Learn MSSQL MSSQL Interview Questions Working with Primary key Foreign key Constraint primary key in sql server foreign key in sql primary key and foreign key sql server tutorial Foreign key Constraint sql server tutorial for experienced sql server tutorial for beginners with examples
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SQL constraints are used to specify any rules for the records in a table. Constraints can be used to limit the type of data that can go into a table. It ensures the accuracy and reliability of the records in the table, and if there is any violation between the constraint and the record action, the action is aborted. Constraints can be column level or table level. Column level constraints apply to a column, and table-level constraints apply to the whole table. This is the Part 1 series 1. Not Null 2. Unique 3. Primary Key 4. Foreign Key 5. Check 6. Default 7. Index #mysqltutorial Subscribe 🤍Krish Naik Vlogs channel for more educational videos on finance and investment Please donate if you want to support the channel through GPay UPID, Gpay: krishnaik06🤍okicici Telegram link: 🤍 #datanalyst #roadmaptobecomedatanalyst Please join as a member in my channel to get additional benefits like materials in Data Science, live streaming for Members and many more 🤍 - Connect with me here: Twitter: 🤍 Facebook: 🤍 instagram: 🤍 -
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Want to know what a foreign key is in a database? Watch this video to find out. In a database, a foreign key is a column or set of columns that relates to another table's primary key. They have several benefits, which are outlined in this video. In this video, you'll learn: What a foreign key is How they benefit your design How to add them to your ERD (Entity Relationship Diagram) How to write SQL to add them to your database The diagram in this video is called an Entity Relationship Diagram and is drawn using LucidChart. You can use any other database diagramming or modeling tool to do the same thing, or use pen and paper. Let me know what you learned in the video in the comments section below, and like and subscribe! /// 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: 🤍
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🤍Matt Macarty #mysql #workbench #foreignkey ✅ Please SUBSCRIBE: 🤍 Add and work with foreign key constraints in MySQL ✅ Pure SQL Tutorial starts 7:18 ✅ How to Create Databases: 🤍 ✅ How to Create EER Diagrams: 🤍 ✅ Link to GitHub: 🤍 In this video I am going to demonstrate add a foreign key contraint in MySQL and create relationships using the workbench. See the link to download the two tables used from GitHub so you can follow along. The tables customers and orders, so we can imagine the relationships there where one customer places many orders (hopefully). We start off by examining and ERD of the unrelated tables. We can use the EER diagram to manually add the one-to-many relationship button here and draw the relationship in between the tables, however for this to take effect you would need to forward engineer the diagram into a new database. There are a number of different ways we add foreign key constraints, and the video covers the methods to do this in the workbench. First I'm going to use the GUI method, and then we will see how to do the same thing with pure SQL. The requirements are the same regardless of which method you use: you need to relate a primary key from one table to a column in a second table of the same data type and size. A couple of things to keep in mind, 1. when you import data MySQL tends to make it as generic as possible. For example any string data will be imported as text datatype; 2. MySQL does not allow text data to be defined as a primary key. MySQL allows CHAR data and INT data to be defined as primary keys. For speed, INT data is preferred, but we will be using CHAR data in this video. Some people prefer the GUI interaction since you can simply point click and drag. In reality, though the Workbench generates all the required SQL, which you have "apply". To me it's not easier to use the GUI interface, and I prefer the PURE SQL method. In addition, since we are dealing with SQL there's always or usually more than one way of doing things. I am going to ALTER the tables using the MODIFY keyword on the columns of interest to add both primary and foreign keys.