In this lesson, you will learn how case sensitivity works in PostgreSQL in a simple and clear way. The video explains the difference between uppercase and lowercase when working with table names, column names, and data values.
You will understand how PostgreSQL handles unquoted names (automatically converted to lowercase) and quoted identifiers (case-sensitive). The lesson also shows how case sensitivity affects searching data using operators like = and LIKE, and how to handle it properly using functions such as LOWER() and UPPER().
By the end of this lesson, you will clearly understand how to avoid common mistakes related to case sensitivity and write more accurate and professional SQL queries in PostgreSQL.