PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...

Oracle SQL for Beginners | SQL Complete Tutorial for Beginners | SQL Full Course | SQL Tutorial Chapters: ===== 00:00:00 Introduction to Oracle SQL 00:00:56 Oracle database installation - Oracle 11g ...

-- You CANNOT use = or != to check for NULL: -- WHERE Age = NULL → always returns nothing (WRONG) -- WHERE Age != NULL → always returns nothing (WRONG) -- You MUST use IS NULL or IS NOT NULL instead. ...

SELECT TO_CHAR(CURRENT_DATE, 'DD/MM/YYYY'); -- → '19/05/2026' SELECT TO_CHAR(CURRENT_DATE, 'DD MON YYYY'); -- → '19 MAY 2026' SELECT TO_CHAR(CURRENT_TIMESTAMP ...

Vinish Kapoor is an Oracle ACE Pro, software developer, and founder of Vinish.dev, known for his expertise in Oracle. Vinish Kapoor is an Oracle ACE Pro, software developer, and founder of Vinish.dev, ...

Vinish is a blogger, author, and frequent speaker at various conferences and seminars.

Hello All, I hope all of you are having a wonderful day! 😀 I used to work with SQL server management studio and run my queries and execute my constraints inside it, and then I decided to invest my ...

SQL is the most common back end data storage and data processing solution used by Facebook, Twitter, Instagram, Spotify etc. SQL is a crucial language for managing relational databases used by major ...