Tag Archives: CHAR

Php Interview Questions and Answers – Part 3

php-interview-questions-answers




1- What is the difference between CHAR and VARCHAR data types? CHAR is a fixed length data type. CHAR(n) will take n characters of storage even if you enter less than n characters to that column. For example, “Hello!” will be stored as “Hello! ” in CHAR(10) column. VARCHAR is a variable length data type. VARCHAR(n) will take only the required storage for the actual number of characters entered to that column. For example, “Hello!” will be stored as “Hello!” […]