perli$ vs Learn MySQL

This is an ios perl 5.22 app,you can learn,run,share perl 5.22 script. Features : Autocomplate. Auto Indent. Code color. In(the built-in browser or the txt editor),Select the text to run. Horizontal screen development. Code templates,the contents of the new file is copy from contents of the template file. *You can enter perl code, and then you can execut the perl code,support the STDIN function. *You can use the file system to supports txt, pdf, chm, mp3,m4v,zip, gif, png, html, pl ,doc... *You can find learning materials by the built-in browser . *You can save perl code and learning materials, and can be modified to the save file and delete the save file . *You can control the background image and color, and execution voice , background animation, text color and shadow, switch interface animation , the number and the order of the main interface of the tab bar to create your learning software. *You can Learn perl knowledge , the system provides some basic learning materials . *You can use perl code or learning materials to generate two-dimensional code , for easy sharing . *You can share code by Email,Weibo,Twitter,Facebook. *You can use the counter,light in the Setting tab.

Learn MySQL from the ground up with a focused, practical course for beginners, students, developers, and anyone preparing for database or SQL interviews.Build a solid foundation in relational databases, then progress to writing and understanding real MySQL queries. Explore SELECT statements, filtering, sorting, CRUD, joins, aggregation, transactions, indexes, data definition, administration, data modeling, normalization, ER diagrams, and database security. WHAT YOU GET : - 150+ guided lessons across MySQL, SQL foundations, DBMS, and data modeling - A quiz with every lesson to reinforce concepts and check your understanding - MySQL cheat sheets for basics, queries, joins and aggregates, transactions, indexes and performance, data definition, and administration - Bite-sized tips for quick review - A MySQL code playground with support for Bash, Python, JavaScript, and PHP - Search, bookmarks, notes, progress tracking, streaks, achievements, and daily learning tips - Premium learning paths for Python with SQLAlchemy and Node.js ORMs with Sequelize and TypeORM - Optional AI learning tools on supported devices for explanations, summaries, and lesson translation LEARN TOPICS LIKE : - MySQL basics and syntax - SQL queries, CRUD, joins, grouping, and aggregates - ACID transactions, locking, isolation, and safe rollbacks - Indexes, query performance, and practical database design - DBMS architecture, normalization, ER modeling, and security - Connecting applications to MySQL with Python and Node.js ORMs STUDY YOUR WAY : Read a lesson, test yourself, save notes, revisit key ideas with cheat sheets, and practice code as you learn. Build a steady study habit with progress tracking and streaks. Whether you are learning SQL for the first time or refreshing MySQL for your next project, Learn MySQL gives you a clear path from database fundamentals to practical backend skills. Learn MySQL and start building stronger SQL skills today.