Learning SQL and PL/SQL
Some critics say that SQL is slow and difficult to optimize. Therefore no-SQL databases took hold is growing in popularity. It is true that SQL can be slow if a database is not optimized. However a relational database can be more secure and reliable if well designed.
Language PL/SQL is specific to Oracle and is similar to PL/pgSQL for PostgreSQL. It is used to create stored procedures, functions and triggers. Once you have learned Level 123, PL/SQL will look very familiar. It is derived from same language family: Algol, ADA and Pascal.
Soon I will post a comprehensive full tutorial for PL/SQL. Visit the welcome page and subscribe to get notifications by e-mail or join Discord app and follow the news. The exam will also be updated when new article is created.
This exam is required for Database Developer certificate. (Not ready yet). You can take the exam frequently if you are a student. I will update this exam with new questions over time. So you can learn from tutorial article and check the exam until the course is done and you have the perfect score.
Leaderboard: Programming PL/SQL
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