\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{vittochan (vittochan)}
\pdfinfo{
  /Title (dql.pdf)
  /Creator (Cheatography)
  /Author (vittochan (vittochan))
  /Subject (DQL Cheat Sheet)
}

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% 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
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\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{DQL Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{vittochan (vittochan)} via \textcolor{DarkBackground}{\uline{cheatography.com/26692/cs/7549/}}}
\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}vittochan (vittochan) \\
  \uline{cheatography.com/vittochan} \\
  \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 12th 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{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Data Types}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Datatype}} & {\bf{Default value}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{bool{[}ean{]}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
char{[}acter{]}{[}(lenght){]} & A single blank \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
date & NULLDATE\{\{nl\}\}{\emph{For Oracle and DB2, it is 01/01/0001}}\{\{nl\}\}{\emph{For MS SQL Server, it is 1/1/1753}} \tn 
% Row Count 9 (+ 5)
% Row 4
\SetRowColor{LightBackground}
double & 0 \tn 
% Row Count 10 (+ 1)
% Row 5
\SetRowColor{white}
float & 0 \tn 
% Row Count 11 (+ 1)
% Row 6
\SetRowColor{LightBackground}
ID & '0000000000000000' {\emph{(sixteen zeros)}} \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
integer & 0 \tn 
% Row Count 14 (+ 1)
% Row 8
\SetRowColor{LightBackground}
smallint\{\{nl\}\}{\emph{Oracle uses NUMBER(5)}} & 0 \tn 
% Row Count 16 (+ 2)
% Row 9
\SetRowColor{white}
string{[}(lenght){]} & A single blank \tn 
% Row Count 17 (+ 1)
% Row 10
\SetRowColor{LightBackground}
time & NULLDATE\{\{nl\}\}{\emph{For Oracle and DB2, it is 01/01/0001}}\{\{nl\}\}{\emph{For MS SQL Server, it is 1/1/1753}} \tn 
% Row Count 22 (+ 5)
% Row 11
\SetRowColor{white}
tinyint\{\{nl\}\}{\emph{not supported on DB2\{\{nl\}\}Oracle uses NUMBER(3)}} & 0 \tn 
% Row Count 26 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.84149 cm} x{3.13551 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Literals}}  \tn
% Row 0
\SetRowColor{LightBackground}
Integer literals & {[}+|-{]}n\{\{nl\}\}{\emph{n is any number between -2147483647 and +2147483647}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Floating point literals & \seqsplit{5.347|21.|0.45|.66|-4.12|10.4e-6|-3.6E7|12e-3} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
ID literals & 16-character string enclosed in single quotes \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Date literals}}} \tn 
% Row Count 8 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & DATE('date\_value{[}utc{]}' {[},'pattern'{]}) \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{{\emph{Default formats}}}}} \tn 
% Row Count 11 (+ 1)
% Row 6
\SetRowColor{LightBackground}
mm/dd/{[}yy{]}yy & DATE('03/24/1989') DATE('4/7/1992') \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
dd-mon-{[}yy{]}yy & DATE('4-Apr-1975') \tn 
% Row Count 14 (+ 1)
% Row 8
\SetRowColor{LightBackground}
month dd{[},{]} {[}yy{]}yy & DATE('January 1, 1993') \tn 
% Row Count 16 (+ 2)
% Row 9
\SetRowColor{white}
mon dd {[}yy{]}yy & DATE('March 23 1990') \tn 
% Row Count 17 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{{\emph{Date literal keywords}}}}} \tn 
% Row Count 18 (+ 1)
% Row 11
\SetRowColor{white}
DATE(TODAY) & returns the current date in UTC \tn 
% Row Count 20 (+ 2)
% Row 12
\SetRowColor{LightBackground}
DATE(NOW) & returns the current date and time \tn 
% Row Count 22 (+ 2)
% Row 13
\SetRowColor{white}
\seqsplit{DATE(YESTERDAY)} & returns the current date minus one day in UTC \tn 
% Row Count 24 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\seqsplit{DATE(TOMORROW)} & returns the current date plus one day in UTC \tn 
% Row Count 26 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.64241 cm} x{3.33459 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Special keywords}}  \tn
% Row 0
\SetRowColor{LightBackground}
USER & identifies the current user\{\{nl\}\}{\emph{WHERE supervisor\_name=USER}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
TRUE|FALSE & represent the Boolean true and false \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{DM\_SESSION\_DD\_LOCALE} & represents the data dictionary locale most appropriate for the client's session locale\{\{nl\}\}{\emph{WHERE nls\_key='fr\_cn'}}\{\{nl\}\}{\emph{WHERE nls\_key=DM\_SESSION\_DD\_LOCALE}} \tn 
% Row Count 12 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Scalar functions}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
ASCII(attr) & returns the ASCII code value of the first character of the argument \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
BITAND(arg1, arg2) & ANDs the bit values of the two input arguments \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
BITCLR(arg1, arg2) & sets the bit in the result to zero (clears it), if the corresponding bit in the second parameter \tn 
% Row Count 13 (+ 5)
% Row 4
\SetRowColor{LightBackground}
BITSET(arg1, arg2) & ORs the bit values of the two input arguments \tn 
% Row Count 16 (+ 3)
% Row 5
\SetRowColor{white}
UPPER(arg) & returns the uppercase of that value \tn 
% Row Count 18 (+ 2)
% Row 6
\SetRowColor{LightBackground}
LOWER(arg) & returns the lowercase of that value \tn 
% Row Count 20 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{SUBSTR(string\_value},start{[},length{]}) & returns some or all of a particular string \tn 
% Row Count 23 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Aggregate functions}}} \tn 
% Row Count 24 (+ 1)
% Row 9
\SetRowColor{white}
COUNT ({[}DISTINCT{]} name|*) & counts values \tn 
% Row Count 26 (+ 2)
% Row 10
\SetRowColor{LightBackground}
MIN(DISTINCT name|{[}ALL{]} value\_expresssion) & returns the minimum value in a given set of values \tn 
% Row Count 29 (+ 3)
% Row 11
\SetRowColor{white}
MAX(DISTINCT name|{[}ALL{]} value\_expresssion) & returns the maximum value in a given set of values \tn 
% Row Count 32 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions (cont)}}  \tn
% Row 12
\SetRowColor{LightBackground}
AVG(DISTINCT name|{[}ALL{]} value\_expression) & returns an average \tn 
% Row Count 3 (+ 3)
% Row 13
\SetRowColor{white}
SUM(DISTINCT name|{[}ALL{]} value\_expression) & returns a total \tn 
% Row Count 6 (+ 3)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Date functions}}} \tn 
% Row Count 7 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Valid date\_part are {\emph{year}}, {\emph{month}}, {\emph{week}}, and {\emph{day}}} \tn 
% Row Count 9 (+ 2)
% Row 16
\SetRowColor{LightBackground}
DATEDIFF(date\_part, date1, date2) & returns a number that represents the difference between the two dates \tn 
% Row Count 13 (+ 4)
% Row 17
\SetRowColor{white}
DATEADD(date\_part, number, date) & adds a number of years, months, weeks, or days to a date and returns the new date \tn 
% Row Count 18 (+ 5)
% Row 18
\SetRowColor{LightBackground}
\seqsplit{DATEFLOOR(date\_part},date) & rounds a given date down to the beginning of the year, month, or day in UTC \tn 
% Row Count 22 (+ 4)
% Row 19
\SetRowColor{white}
\seqsplit{DATEFLOOR\_LOCAL(date\_part},date) & rounds a date down to the beginning of an indicated granularity (day, month, or year) in the server local time \tn 
% Row Count 28 (+ 6)
% Row 20
\SetRowColor{LightBackground}
DATETOSTRING(date,'format') & returns a date as a character string in UTC in a particular format \tn 
% Row Count 32 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions (cont)}}  \tn
% Row 21
\SetRowColor{LightBackground}
\seqsplit{DATETOSTRING\_LOCAL(date},'format') & formats a date value to a character string in the server local time \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}