MySQL terminology guide for newbies

MySQL Terminology helpful guide

If you are newbie to MySQL, this guide explains some terminology that is used when developing with MySQL and PHP.

This is not meant to be a definitive guide, but will be updated. Did I miss something? Please let me know or leave a comment below.

Aliases for column names Produces a more readable column name if needed. Especially when a column is produced from a function like CONCAT() for example
Aliases for table names Makes queries shorter and easier to read / write
Backticks ` MySql’s (non-standard) method for delimiting problematic identifiers
Composite Index An index made of more than one column.
Database A collection of one or more tables. Think of a Excel workbook containing many sheets.
MySQL client Software to allow to connect and manage MySQL databases. MySQL Workbench, HeidiSQL, phpMyAdmin etc…
ORDER BY clause Used to sort the results of your SELECT query by one or more columns in ascending or descending order.
Primary Key A unique identifier of a row consisting of one or more columns
Query A way of SELECTing / INSERTing / DELETEing / UPDATEing data
Results / Result set The data / result of a query being run
Row / Record A single row or record of data in a table
Schema The design of one or more tables
SQL Structure Query Language
Sub query A quested nested within another query
Table A repository of data (entity). Think of a sheet in Excel with column headers.

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