SQL : crash course

THE EASIEST WAY TO LEARN SQL ON ANDROID, 100% FREE💻 Database related sql queries- ★SQL Database★SQL Create DB★SQL Drop DB★SQL Backup DB★SQL Create Table★SQL Drop Table★SQL Alter Table★SQL Constraints★SQL Not Null★SQL Unique★SQL Primary Key★SQL Foreign Key★SQL Check★SQL Default★SQL Index★SQL Auto Increment★SQL Dates★SQL Views★SQL Injection★SQL Hosting★SQL Data Types💻 Table related sql queries-★SQL HOME★SQL Intro★SQL Syntax★SQL Select★SQL Select Distinct★SQL Where★SQL And, Or, Not★SQL Order By★SQL Insert Into★SQL Null Values★SQL Update★SQL Delete★SQL Select Top★SQL Min and Max★SQL Count, Avg, Sum★SQL Like★SQL Wildcards★SQL In★SQL Between★SQL Aliases★SQL Joins★SQL Inner Join★SQL Left Join★SQL Right Join★SQL Full Join★SQL Self Join★SQL Union★SQL Group By★SQL Having★SQL Exists★SQL Any, All★SQL Select Into★SQL Insert Into Select★SQL Case★SQL Null Functions★SQL Stored Procedures★SQL Comments★SQL Operators