Answer
A row contains one record, while a column defines one named attribute of every row. • Columns have data types and may have constraints. • Rows provide values for those columns. • A query can select all columns or only the columns it needs.
💡 SQL Example
SELECT product_id, name FROM products;
Result
1 | Keyboard
2 | Mouse
⚡ Quick Revision
Columns define attributes; rows hold individual records.