Lecture 3: MySQL Command Change Datatype of Column,Change Size, Drop Column,Unique , and Not Null

Welcome to Lecture 3 of our MySQL Beginners Guide! In this video, we focus on advanced MySQL commands that allow you to modify the structure of your database. You'll learn how to change the datatype of a column, adjust the size of a column, and drop a column entirely. We’ll also cover two important constraints: the Unique Constraint and the Not Null Constraint, which ensure data integrity in your tables. Whether you're using MySQL Workbench or working from the command line, this video will help you master essential SQL and Sequel commands for database management.
Topics covered:
How to change the datatype of a column using MySQL commands
Modifying the size of a column in MySQL
Dropping columns from a table
Applying Unique Constraint and Not Null Constraint for data validation
Working with SQL commands in MySQL Workbench and console
Creating databases with mysqladmin create database and mysql console create database
Practicing SQL queries for efficient database management
This video is perfect for beginners looking to improve their SQL skills and gain more control over their MySQL databases.
Lecture 3 mein aap MySQL ke advanced commands seekhein ge jo aapko apni database structure ko modify karne mein madad dein ge. Aap seekhein ge kaisay kisi column ka datatype change karna hai, column ka size adjust karna hai, aur column ko delete karna hai. Hum do important constraints ka bhi zikr karain ge: Unique Constraint aur Not Null Constraint, jo aapki tables mein data ki sahihiyat ko ensure karti hain. Chahey aap MySQL Workbench ka istimaal kar rahe ho ya command line se kaam kar rahe ho, yeh video aapko zaroori SQL aur Sequel commands ko seekhne mein madad dein gi.
Is video mein aap seekhein ge:
MySQL commands ke zariye column ka datatype kaise change karein
Column ka size modify karna
Table mein column ko delete karna
Data validation ke liye Unique Constraint aur Not Null Constraint ka istemal
MySQL Workbench aur console mein SQL commands ka istemal
Databases ko banana mysqladmin create database aur mysql console create database ke zariye
SQL queries ko practice karna aur databases ko behtareen tareeqe se manage karna
Agar aap beginner hain aur apni SQL skills ko improve karna chahte hain, to yeh video aapke liye hai.
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