\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{KNiGHT BLOOD (spegusess)}
\pdfinfo{
  /Title (mysql.pdf)
  /Creator (Cheatography)
  /Author (KNiGHT BLOOD (spegusess))
  /Subject (MySql Cheat Sheet)
}

% Lengths and widths
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\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{216FA3}
\definecolor{LightBackground}{HTML}{F1F6F9}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{MySql Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{KNiGHT BLOOD (spegusess)} via \textcolor{DarkBackground}{\uline{cheatography.com/108914/cs/21588/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}KNiGHT BLOOD (spegusess) \\
  \uline{cheatography.com/spegusess} \\
        \uline{\seqsplit{blackvisionlab}.com}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 18th January, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Basic Concepts}}  \tn
% Row 0
\SetRowColor{LightBackground}
`SHOW DATABASES;` & display list of databases available \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
`SHOW TABLES;` & display list of tables in a selected database \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
`SHOW COLUMNS FROM \textless{}table\_name\textgreater{};` & show columns in a table \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
`SELECT \textless{}column,list\textgreater{} FROM \textless{}table\_name\textgreater{};` & retrieve data in columns of a table \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
`SELECT * FROM \textless{}table\_name\textgreater{};` & list all data in a table \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
`SELECT DISTINCT \textless{}column,names\textgreater{} FROM \textless{}table\_name\textgreater{};` & avoid duplicates and return unique ones \tn 
% Row Count 15 (+ 3)
% Row 6
\SetRowColor{LightBackground}
`... LIMIT 5;` & limit number of results \tn 
% Row Count 17 (+ 2)
% Row 7
\SetRowColor{white}
`... LIMIT 3,4;` & from array index of 3 return 4 items \tn 
% Row Count 19 (+ 2)
% Row 8
\SetRowColor{LightBackground}
`SELECT \textless{}table.column\textgreater{} FROM \textless{}table\textgreater{};` & fully qualified column.name \tn 
% Row Count 21 (+ 2)
% Row 9
\SetRowColor{white}
`... ORDER BY \textless{}column\_name\textgreater{};` & sort alphabetically of numerically default ascending order \tn 
% Row Count 24 (+ 3)
% Row 10
\SetRowColor{LightBackground}
`... ORDER BY \textless{}col1,col2\textgreater{};` & first order 1 col then form 2nd col \tn 
% Row Count 26 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{5.84 cm} x{2.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Join, Table Operations}}  \tn
% Row 0
\SetRowColor{LightBackground}
`SELECT customers.ID, customers.Name, orders.Name, orders.Amount \{\{nl\}\}FROM customers, orders \{\{nl\}\}WHERE \seqsplit{customers.ID=orders.Customer\_ID} \{\{nl\}\}ORDER BY customers.ID;` & joining tables \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
`SELECT ct.ID, ct.Name, ord.Name, ord.Amount \{\{nl\}\}FROM customers AS ct, orders AS ord \{\{nl\}\}WHERE ct.ID=ord.Customer\_ID ORDER BY ct.ID;` & renaming tables \tn 
% Row Count 11 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Filtering, Functions, Subqueries}}  \tn
% Row 0
\SetRowColor{LightBackground}
`... WHERE \textless{}condition\textgreater{};` & ex; ID = 7; name = 'John'/ ='can''t' \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
=, !=, \textgreater{}, \textless{}, \textgreater{}=, \textless{}=, BETWEEN & comparison operators \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
`... ... BETWEEN \textless{}val1\textgreater{} AND \textless{}val2;\textgreater{}` & returns val1 to val2 \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
`AND, OR, IN, NOT` & logical operators \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
`... ... AND (val1=00 OR val2=88);` & combining logics \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
`... ... IN ('val1', 'val2', 'val3');` & multiple OR alternative \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
`... ... NOT IN ('val1', 'val2', 'val3');` & exclude list items \tn 
% Row Count 14 (+ 3)
% Row 7
\SetRowColor{white}
`SELECT CONCAT(col1, ', ' , col2) FROM \textless{}table\textgreater{};` & returns the concatenating string. \tn 
% Row Count 17 (+ 3)
% Row 8
\SetRowColor{LightBackground}
`SELECT CONCAT(col1, ', ' , col2) AS new\_col FROM \textless{}table\textgreater{};` & concat results in new col \tn 
% Row Count 20 (+ 3)
% Row 9
\SetRowColor{white}
`... Salary+500 AS Salary FROM \textless{}table\textgreater{};` & do operation on filed value \tn 
% Row Count 22 (+ 2)
% Row 10
\SetRowColor{LightBackground}
`... val(UPPER) AS new\_val ...` & change to uppercase \tn 
% Row Count 24 (+ 2)
% Row 11
\SetRowColor{white}
`LOWER(val), SQRT(val), MIN(col), AVG(col), SUM(col), POWER(val)` & math / str functions \tn 
% Row Count 28 (+ 4)
% Row 12
\SetRowColor{LightBackground}
`... ... ORDER BY \textless{}col\textgreater{} DESC` & order by desc or ASC \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Filtering, Functions, Subqueries (cont)}}  \tn
% Row 13
\SetRowColor{LightBackground}
`... WHERE  Salary \textgreater{} (SELECT AVG(Salary) FROM employees) ...` & sub quaries \tn 
% Row Count 4 (+ 4)
% Row 14
\SetRowColor{white}
`... ... LIKE 'A\%';` & pattern = \_ single char, \% multiple char \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}