\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{elhamsh}
\pdfinfo{
  /Title (sql.pdf)
  /Creator (Cheatography)
  /Author (elhamsh)
  /Subject (SQL 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
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\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}{A33C65}
\definecolor{LightBackground}{HTML}{F9F2F5}
\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{SQL Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{elhamsh} via \textcolor{DarkBackground}{\uline{cheatography.com/31327/cs/14025/}}}
\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}elhamsh \\
  \uline{cheatography.com/elhamsh} \\
  \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 21st December, 2017.\\
   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}{Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
bin(4) & 100. Converts a decimal number to a binary number \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
CASE     WHEN Quantity \textgreater{} 30 THEN "The quantity is greater than 30"     WHEN Quantity = 30 THEN "The quantity is 30"     ELSE "The quantity is something else" END & can be used in SELECT,DELETE,INSERT,UPDATE \tn 
% Row Count 12 (+ 9)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{SELECT CASE city WHEN 'calgary' THEN 'Y' ELSE 'N' END calgary FROM...} \tn 
% Row Count 14 (+ 2)
% Row 3
\SetRowColor{white}
CAST("14:06:10" AS TIME) & CAST(value AS type) \tn 
% Row Count 16 (+ 2)
% Row 4
\SetRowColor{LightBackground}
SELECT COALESCE(NULL, 1, 2, 'W3Schools.com'); & 1. Return the first non-null expression in a list \tn 
% Row Count 19 (+ 3)
% Row 5
\SetRowColor{white}
IF(500\textless{}1000, "YES", "NO") & IF(condition, value\_if\_true, value\_if\_false) \tn 
% Row Count 22 (+ 3)
% Row 6
\SetRowColor{LightBackground}
IFNULL(NULL, 500) & IFNULL(expression, alt\_value) \tn 
% Row Count 24 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{NUMERIC}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{ABS()} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{AVG()} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{CEIL()} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{FLOOR()} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{LOG() LOG10() LOG2()} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{PI} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
POWER(3,2) or POW(3,2) & 9 \tn 
% Row Count 8 (+ 2)
% Row 7
\SetRowColor{white}
RAND() & a value between 0 (inclusive) and 1 (exclusive) \tn 
% Row Count 10 (+ 2)
% Row 8
\SetRowColor{LightBackground}
RAND(4) & RAND(seed), a repeatable sequence of random numbers if a seed value is used \tn 
% Row Count 13 (+ 3)
% Row 9
\SetRowColor{white}
ROUND(135.375, 2) & 135.38, ROUND(number, decimal\_places) \tn 
% Row Count 15 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{ROUND(135.375)} & 135 \tn 
% Row Count 16 (+ 1)
% Row 11
\SetRowColor{white}
SIGN(number) & if \textgreater{}0,1. If = 0, 0. If \textless{}0, -1 \tn 
% Row Count 18 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{SQRT(64)} \tn 
% Row Count 19 (+ 1)
\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}{Join}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{SELECT x.a, b, c FROM x INNER JOIN y ON x.id=y.id} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{SELECT o.a, c.b, e.d FROM ((orders o INNER JOIN customers c ON o.id=c.id) INNER JOIN employee e ON e.id=o.eid);} \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{LEFT JOIN} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{RIGHT JOIN} \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{FULL OUTER JOIN} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
(SELECT a FROM aa) UNION (SELECT a FROM bb) & \# of columns, and data types the same and in the same order \tn 
% Row Count 10 (+ 3)
% Row 6
\SetRowColor{LightBackground}
SELECT a,b FROM aa,bb & cartesian join, return table of length(aa*bb) \tn 
% Row Count 13 (+ 3)
% Row 7
\SetRowColor{white}
UNION ALL & Union all will not eliminate duplicate rows \tn 
% Row Count 16 (+ 3)
\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}{String}}  \tn
% Row 0
\SetRowColor{LightBackground}
ASCII(character) & number code of the first character \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
CONCAT("SQL ", "is ", "fun!") & Concatenate several expressions together \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
CONCAT\_WS("-", "SQL", "is", "fun!") & SQL-is-fun! \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
FIELD("c", "a", "b", "c", "d", "e") & 3. FIELD(value, val1, val2, val3, ...). position of the value in the list of values \tn 
% Row Count 11 (+ 5)
% Row 4
\SetRowColor{LightBackground}
FIND\_IN\_SET("c", "a,b,c,d,e") & 3. the position of a string in a comma-separated string list. not found=0 \tn 
% Row Count 15 (+ 4)
% Row 5
\SetRowColor{white}
\seqsplit{INSERT("W3Schools.com"}, 1, 9, "Example") & Example.com. NSERT(string, position, number, substring) \tn 
% Row Count 18 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{INSTR("W3Schools.com"}, "COM") & 11. return position \tn 
% Row Count 20 (+ 2)
% Row 7
\SetRowColor{white}
LEFT(string, number\_of\_chars) & extracts a substring from a string (starting from left). \tn 
% Row Count 23 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{LENGTH(string)} \tn 
% Row Count 24 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{LOWER(string)} \tn 
% Row Count 25 (+ 1)
% Row 10
\SetRowColor{LightBackground}
LPAD("SQL", 10, "ABC") & ABCABCASQL. LPAD(string, length, pad\_string) \tn 
% Row Count 28 (+ 3)
% Row 11
\SetRowColor{white}
LTRIM("     SQL Tutorial") & Remove leading spaces from a string \tn 
% Row Count 30 (+ 2)
\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}{String (cont)}}  \tn
% Row 12
\SetRowColor{LightBackground}
MID("SQL Tutorial", 5, 3) or SUBSTR(string, start, length) & Tut. MID(string, start, length) \tn 
% Row Count 3 (+ 3)
% Row 13
\SetRowColor{white}
POSITION("3" IN "W3Schools.com") or LOCATE("3", "W3Schools.com") & 2 \tn 
% Row Count 7 (+ 4)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{REPEAT(string, number)} \tn 
% Row Count 8 (+ 1)
% Row 15
\SetRowColor{white}
REPLACE("SQL Tutorial", "SQL", "HTML") & REPLACE(string, from\_substring, to\_substring) \tn 
% Row Count 11 (+ 3)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{REVERSE(string)} \tn 
% Row Count 12 (+ 1)
% Row 17
\SetRowColor{white}
RIGHT("SQL Tutorial is cool", 4) & cool \tn 
% Row Count 14 (+ 2)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{RPAD("SQL Tutorial", 20, "ABC")} \tn 
% Row Count 15 (+ 1)
% Row 19
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{RTRIM("ABC  ")} \tn 
% Row Count 16 (+ 1)
% Row 20
\SetRowColor{LightBackground}
SPACE(10) & Return a string with 10 spaces \tn 
% Row Count 18 (+ 2)
% Row 21
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{UPPER()} \tn 
% Row Count 19 (+ 1)
% Row 22
\SetRowColor{LightBackground}
TRIM() & Removes leading and trailing spaces from a string \tn 
% Row Count 22 (+ 3)
% Row 23
\SetRowColor{white}
STRCMP(string1, string2) & If string1=string2, 0 If string1\textless{}string2, -1 If string1\textgreater{}string2,  1 \tn 
% Row Count 26 (+ 4)
% Row 24
\SetRowColor{LightBackground}
\seqsplit{SUBSTRING\_INDEX("www}.w3schools.com", ".", 2) & www.w3schools, substring of string before number of occurrences of delimiter \tn 
% Row Count 30 (+ 4)
\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}{Date}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{ADDDATE("2017-06-15"}, INTERVAL -10 DAY) or DATE\_ADD(...) & ADDDATE(date, INTERVAL value unit) {[}SECOND MINUTE HOUR DAY WEEK MONTH QUARTER YEAR ...{]} \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
\seqsplit{ADDDATE("2017-06-15"}, 1) & ADDDATE(date, days) \tn 
% Row Count 7 (+ 2)
% Row 2
\SetRowColor{LightBackground}
CURDATE() or CURRENT\_DATE() & current date as a "YYYY-MM-DD"  or YYYYMMDD \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
CURDATE() + 1 & Tomorrow \tn 
% Row Count 11 (+ 1)
% Row 4
\SetRowColor{LightBackground}
CURTIME() or CURRENT\_TIME() & current time as a "HH-MM-SS" or HHMMSS \tn 
% Row Count 13 (+ 2)
% Row 5
\SetRowColor{white}
CURRENT\_TIMESTAMP() & "YYYY-MM-DD HH-MM-SS" \tn 
% Row Count 15 (+ 2)
% Row 6
\SetRowColor{LightBackground}
DATE("2017-06-15 09:34:21") & extracts the date value from a date or datetime expression \tn 
% Row Count 18 (+ 3)
% Row 7
\SetRowColor{white}
\seqsplit{DATEDIFF("2017-06-25} 09:34:21", "2017-06-15 15:25:35") & the difference in days between two date values \tn 
% Row Count 21 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\seqsplit{DATE\_FORMAT(BirthDate}, "\%W \%M \%e \%Y") & \%W	Weekday name in full, \%e	Day of the month as a numeric value (0 to 31) \tn 
% Row Count 25 (+ 4)
% Row 9
\SetRowColor{white}
DAY("2017-06-15"), DAYOFMONTH & 15.DAY(date) \tn 
% Row Count 27 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{DAYNAME(date)} \tn 
% Row Count 28 (+ 1)
% Row 11
\SetRowColor{white}
\seqsplit{DAYOFWEEK("2017-06-15")} & 1=Sunday, ..., 7=Saturday. \tn 
% Row Count 30 (+ 2)
\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}{Date (cont)}}  \tn
% Row 12
\SetRowColor{LightBackground}
\seqsplit{DAYOFYEAR("2017-06-15")} & a number from 1 to 366 \tn 
% Row Count 2 (+ 2)
% Row 13
\SetRowColor{white}
EXTRACT(WEEK FROM "2017-06-15") & EXTRACT(unit FROM date) \tn 
% Row Count 4 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{YEAR(date)} \tn 
% Row Count 5 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{WEEK(date)} \tn 
% Row Count 6 (+ 1)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{SECOND(date)} \tn 
% Row Count 7 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{MONTH(date)} \tn 
% Row Count 8 (+ 1)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{MINUTE(date)} \tn 
% Row Count 9 (+ 1)
% Row 19
\SetRowColor{white}
STRFTIME('\%Y', BD) AS year & extract part of date-time format data \tn 
% Row Count 11 (+ 2)
% Row 20
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{STRFTIME('\%m', BD) AS month} \tn 
% Row Count 12 (+ 1)
% Row 21
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{DATE('now')} \tn 
% Row Count 13 (+ 1)
% Row 22
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{STRFTIME('\%Y \%m \%d', 'now')} \tn 
% Row Count 14 (+ 1)
% Row 23
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{DATE('now') - BD AS age} \tn 
% Row Count 15 (+ 1)
\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}{view}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{CREATE VIEW x AS SELECT...} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
DROP VIEW x & delete view \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}