7. Understanding char, nchar, varchar, and nvarchar in SQL Server with Example Codes
   char:Fixed-length character data type: Stores a specified number of characters, regardless of whether they are used or not
8. Understanding and Using VARCHAR in MySQL
   However, it's important to note that the maximum size of a VARCHAR column in a MySQL table is limited by the overall size of the table
9. Understanding MySQL Error #1071: Key Length Exceeded
   What does it mean?When you encounter MySQL Error #1071, it signifies that you've attempted to create an index or primary key on a column or combination of columns that exceeds the maximum allowed key length
10. varchar vs. nvarchar in SQL Server: A Comparison
    varchar and nvarchar are two data types commonly used in SQL Server to store character data. They are similar in many ways but differ primarily in their character encoding
11. Optimizing Storage and Performance: Choosing VARCHAR or TEXT
    Designed for: Storing short to medium-length strings with a defined maximum length. This is ideal when you know the typical range of characters your data will hold (e.g., names
12. Example Codes for Reducing Varchar Column Size in PostgreSQL
    SQL (Structured Query Language): It's a standardized language for interacting with relational databases like PostgreSQL
13. Choosing the Right Data Type for Text in SQL Server: varchar vs. text vs. varchar(max)
    Variable Length: This data type allows you to define a maximum length for the text it can hold. For instance, you can create a VARCHAR(50) column to store names