| A | B |
| SQL | Structured Query Language |
| CHAR | data type that allows a string of characters up to 255 |
| INTEGER | data type that stores whole numbers but not decimals |
| VARCHAR | data type that allows a string of characters up to 65,535 |
| DDL (Data Definition Language) | defines the structure of a table |
| DML (Data Manipulation Language) | allows you to access and manipulate data in existing tables. |
| Query | used to fetch data from tables in the form of either a row or a column |
| Command | refers to the instructions given to the database to perform certain tasks or run certain queries |