\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{Gregor Lüdi (Siniansung)}
\pdfinfo{
  /Title (grundlagen-sql.pdf)
  /Creator (Cheatography)
  /Author (Gregor Lüdi (Siniansung))
  /Subject (Grundlagen SQL Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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\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
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% Font and Colours
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\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{Grundlagen SQL Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Gregor Lüdi (Siniansung)} via \textcolor{DarkBackground}{\uline{cheatography.com/20378/cs/3915/}}}
\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}Gregor Lüdi (Siniansung) \\
  \uline{cheatography.com/siniansung} \\
        \uline{\seqsplit{www}.ken.ch/\%7elueg}
  \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 13th May, 2016.\\
   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*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Tabellen erstellen}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{CREATE TABLE}} table\_name \newline ( \newline id data\_type(size) NOT NULL, \newline column\_name2 data\_type(size), \newline column\_name3 data\_type(size), \newline .... \newline PRIMARY KEY (id) \newline );} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Daten einfügen}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{INSERT INTO}} table\_name (column1,column2,column3,...) \newline VALUES (value1,value2,value3,...); \newline  \newline {\bf{UPDATE}} table\_name \newline SET column1=value1,column2=value2,... \newline WHERE \seqsplit{some\_column=some\_value;} \newline  \newline {\bf{DELETE FROM}} table\_name \newline WHERE \seqsplit{some\_column=some\_value;}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Struktur einer Abfrage}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{SELECT}} {[}Überschriften/Spaltennamen, Anweisungen{]} \newline {\bf{FROM}} {[}Tabellennamen{]} \newline {\bf{WHERE}} {[}Bedingungen, Gruppierung, Sortierung{]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Beispiel Abfrage}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{SELECT einwohner/1000 AS "Einwohner" \newline FROM cia \newline WHERE region="Asien"} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Einwohnerzahl der asiatischen L{\"a}nder in der Tabelle cia  in Tausenden angeben}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.09494 cm} x{3.88206 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{logische Operatoren}}  \tn
% Row 0
\SetRowColor{LightBackground}
NOT & logische Negation (nicht) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
OR & logisches ODER \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
AND & logisches UND \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
IS NULL & kein Wert eingetragen \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Vor und nach einem logischen Operator muss eine vollst{\"a}ndige Bedingung stehen.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Vergleichsoperatoren}}  \tn
% Row 0
\SetRowColor{LightBackground}
= & gleich \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textless{}\textgreater{} & nicht gleich \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textgreater{} & gr{\"o}sser als \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\textless{} & kleiner als \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textgreater{}= & gr{\"o}sser oder gleich \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textless{}= & kleiner oder gleich \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Textbedingungen}}  \tn
% Row 0
\SetRowColor{LightBackground}
\% & beliebige Anzahl Zeichen \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\_ & genau ein Zeichen \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Diese Bedingungen k{\"o}nnen nur mit {\bf{LIKE}} benutzt werden.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Beziehungen}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Die Verbindungen müssen explizit angegeben werden \newline % Row Count 2 (+ 2)
`tableID = fk\_tableID`% Row Count 3 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{fk\_ bezeichnet den Fremdschlüssel}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ausgabe aufteilen/beschr{\"a}nken}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{SELECT {[}{]} \newline FROM {[}{]} \newline WHERE{[}{]} \newline {\bf{LIMIT}} Startzeile, Anzahl} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{`Limit 2,3` zeigt die 3 Elemente nach der Zeile 2}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.04057 cm} x{2.93643 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Gruppenfunktionen}}  \tn
% Row 0
\SetRowColor{LightBackground}
COUNT(expr) & Zeilen z{\"a}hlen \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
AVG(expr) & Durchschnitt \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
MIN(expr) & kleinster Wert \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
MAX(expr) & gr{\"o}sster Wert \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
SUM(expr) & Summe von Werten \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Für {\emph{expr}} gibt man die Spaltenüberschrift an}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Beispiel Abfrage II}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{SELECT count(*) \newline FROM mitarbeiter \newline WHERE abt = "Verkauf"} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Anzahl der Mitarbeiter in der Abteilung "Verkauf"}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Gruppieren}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{SELECT {[}{]} \newline FROM {[}{]} \newline WHERE{[}{]} \newline {\bf{GROUP BY}} spalten\_name} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Sortieren}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{SELECT {[}{]} \newline FROM {[}{]} \newline WHERE {[}{]} \newline {\bf{ORDER BY}} spalten\_name} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}