\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{chunyan} \pdfinfo{ /Title (sql-retrieval-functions-1.pdf) /Creator (Cheatography) /Author (chunyan) /Subject (SQL retrieval functions 1 Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \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}{A3A3A3} \definecolor{LightBackground}{HTML}{F3F3F3} \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 retrieval functions 1 Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{chunyan} via \textcolor{DarkBackground}{\uline{cheatography.com/53782/cs/14469/}}} \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}chunyan \\ \uline{cheatography.com/chunyan} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 25th January, 2018.\\ Updated 25th January, 2018.\\ 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{2.09034 cm} x{2.88666 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Arithmetic functions}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{round (n{[},m{]})}} & Round n on m decimal positions, default m=0 \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{trunc (n{[},m{]})}} & Truncate n on m decimal positions, default m=0 \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} {\bf{ceil (n)}} & Round n upward to an integer \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} {\bf{floor (n)}} & Round n downward to an integer \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{abs (n)}} & Absolute value of n \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} {\bf{sign (n)}} & -1, 0, 1 if n is negative, zero, or positive \tn % Row Count 11 (+ 2) % Row 6 \SetRowColor{LightBackground} {\bf{sqrt (n)}} & Square root of n \tn % Row Count 12 (+ 1) % Row 7 \SetRowColor{white} {\bf{exp (n)}} & e raised to the nth power \tn % Row Count 14 (+ 2) % Row 8 \SetRowColor{LightBackground} {\bf{ln(n), log(m, n)}} & Natural logarithm, and logarithm base m \tn % Row Count 16 (+ 2) % Row 9 \SetRowColor{white} {\bf{power (n,m)}} & n raised to the mth power \tn % Row Count 18 (+ 2) % Row 10 \SetRowColor{LightBackground} {\bf{mod (n,m)}} & Remainder of n divided by m (m can be 0) \tn % Row Count 20 (+ 2) % Row 11 \SetRowColor{white} {\bf{sin(n), cos(n), tan(n)}} & Sine, cosine and tangent of n (radians) \tn % Row Count 22 (+ 2) % Row 12 \SetRowColor{LightBackground} {\bf{asin(n), acos(n), atan(n)}} & Arcsine, arccosine, and arctangent of n \tn % Row Count 24 (+ 2) % Row 13 \SetRowColor{white} {\bf{sinh(n), cosh(n), tanh(n)}} & Hyperbolic sine, hyperbolic cosine and hyperbolic tangent of n \tn % Row Count 27 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Text functions 1}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{lenth (t)}} & Length (in characters) of t \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{ascii (t)}} & ASCII value of first character of t \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} {\bf{chr (n)}} & Character with ASCII value of n \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} {\bf{upper(t), lower(t)}} & t in uppercase/lowercase \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{initcap(t)}} & Each word in t with initial uppercase, remainder in lowercase \tn % Row Count 11 (+ 3) % Row 5 \SetRowColor{white} {\bf{ltrim (t{[},k{]})}} & Remove characters from the left of t, until the first character not in k \tn % Row Count 15 (+ 4) % Row 6 \SetRowColor{LightBackground} {\bf{rtrim (t{[},k{]})}} & Remove characters from the right of t, after the last character not in k \tn % Row Count 19 (+ 4) % Row 7 \SetRowColor{white} {\bf{trim ({[}{[}option{]} {[}c from{]}{]}t)}} & Trim character c from t; option = leading, trailing, or both \tn % Row Count 22 (+ 3) % Row 8 \SetRowColor{LightBackground} {\bf{lpad (t,n{[},k{]})}} & Left-pad t with sequence of characters in k to length n \tn % Row Count 25 (+ 3) % Row 9 \SetRowColor{white} {\bf{rpad (t,n{[},k{]})}} & Right-pad t with k to length n; default k=space \tn % Row Count 28 (+ 3) % Row 10 \SetRowColor{LightBackground} {\bf{concat (t1,t2)}} & Concatenate t1 and t2 (equivalent to ||) \tn % Row Count 30 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.54747 cm} x{4.42953 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Regexp options}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{i}} & Case-insensitive search \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{c}} & Case-sensitive search \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} {\bf{n}} & Allow . to match the newline character \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} {\bf{m}} & Treat text as multiple lines; \textasciicircum{} and \$ refer to the beginning and the end of those lines \tn % Row Count 9 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{If you specify conflicting combinations, such as ic, the Oracle DBMS uses the last value (c) and ignores the first one.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.69218 cm} x{3.28482 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Text functions 2}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{substr (t,n{[},m{]})}} & Substring of t from position n, m character long; default m=end \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} {\bf{instr (t,k)}} & Position of the first occurrence of k in t \tn % Row Count 5 (+ 2) % Row 2 \SetRowColor{LightBackground} {\bf{instr (t,k,n)}} & n=starting position \tn % Row Count 7 (+ 2) % Row 3 \SetRowColor{white} {\bf{instr (t,k,n,m)}} & m=mth occurrence of k \tn % Row Count 9 (+ 2) % Row 4 \SetRowColor{LightBackground} {\bf{translate (t,v,w)}} & Replace characters from v (occurring in t) by corresponding character in w \tn % Row Count 12 (+ 3) % Row 5 \SetRowColor{white} {\bf{replace (t,v)}} & Remove each occurrence of v from t \tn % Row Count 14 (+ 2) % Row 6 \SetRowColor{LightBackground} {\bf{replace (t,v,w)}} & Replace each occurrence of v in t by w \tn % Row Count 16 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Regular expressions}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{{\bf{regexp\_like (text, pattern{[}, options{]})}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{regexp\_instr (text, pattern{[}, pos{[}, \{\{nl\}\}occurrence{[}, return{[}, options{]}{]}{]}{]})}}} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{{\bf{regexp\_substr (text, pattern{[}, pos{[}, \{\{nl\}\}occurrence{[}, options{]}{]}{]})}}} \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{regexp\_replace (text, pattern{[}, replace{[}, pos{[}, occurrence{[}, options{]}{]}{]}{]})}}} \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{p{0.54747 cm} x{4.42953 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{pos}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{0}} & Position of the first character of the pattern found (default) \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{1}} & Position of the first character after the pattern found \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}