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% Most of the following are not required for the majority
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% Document Info
\author{Bersania}
\pdfinfo{
  /Title (postgresql-installation-on-ubuntu.pdf)
  /Creator (Cheatography)
  /Author (Bersania)
  /Subject (PostgreSQL Installation on Ubuntu Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{PostgreSQL Installation on Ubuntu Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Bersania} via \textcolor{DarkBackground}{\uline{cheatography.com/170325/cs/36304/}}}
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\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}Bersania \\
  \uline{cheatography.com/bersania} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 4th April, 2023.\\
   Updated 31st January, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
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  \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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Documentation}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://www.postgresql.org/docs/15/index.html} \newline % Row Count 1 (+ 1)
\seqsplit{https://postgrespro.com/docs/postgresql/15/index}% Row Count 2 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Preparing for the Installation}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{If PostgreSQL 15 package is not available in the default package repository, enable its official package repository} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Execute update}}} \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ sudo apt update \&\& sudo apt upgrade} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Check PostgreSQL Version}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$postgres -{}-version or \$postgres -V} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{If not found execute \$locate bin/postgres \{\{nl\}\} and then \seqsplit{\$/usr/lib/postgresql/15/bin/postgres} -V} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Check Postgres version from SQL Shell \{\{nl\}\} \$sudo -u postgres psql \{\{nl\}\} \# SELECT version();} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Installation}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Ubuntu}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{install \$ sudo apt install -y postgresql-15 \{\{nl\}\} uninstall \$ sudo apt-get -{}-purge remove postgresql postgresql-*} \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Server config}}} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{sudo \seqsplit{/usr/lib/postgresql/15/bin/pg\_config} -{}-configure} \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{List clusters}} \{\{nl\}\} \$ sudo pg\_lsclusters} \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Creat and drop a cluster}}} \tn 
% Row Count 9 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ sudo pg\_createcluster {[}options{]} version name \{\{nl\}\} \$ sudo pg\_dropcluster {[}-{}-stop{]} version name} \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Start, stop, restart service and cluster}}} \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{When installing from a package, the launch of the PostgreSQL cluster is added to the OS startup settings. Therefore, after loading the operating system, you do not need to start PostgreSQL separately.} \tn 
% Row Count 16 (+ 4)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Managing the PostgreSQL service}}} \tn 
% Row Count 17 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ sudo systemctl start | stop | restart  postgresql} \tn 
% Row Count 19 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{You can explicitly control the cluster with the following commands:}} \{\{nl\}\} \$ sudo pg\_ctlcluster 15 main start | stop | restart | status | reload} \tn 
% Row Count 22 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Directory}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Installation directory}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{/usr/lib/postgresql/15} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Configuration directory}}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{/etc/postgresql/15/main} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Default cluster location main (PGDATA)}}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{/var/lib/postgresql/15/main}} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Database directories}}} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{/var/lib/postgresql/15/main/base} \{\{nl\}\} \# select oid, datname from pg\_database;} \tn 
% Row Count 9 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Data location}}} \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# SHOW data\_directory; \{\{nl\}\} \seqsplit{/var/lib/postgresql/15/main}} \tn 
% Row Count 12 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Server message log}}} \tn 
% Row Count 13 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\$ ls -l \seqsplit{/var/log/postgresql/postgresql-15-main}.log} \tn 
% Row Count 15 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ tail -n 10 \seqsplit{/var/log/postgresql/postgresql-15-main}.log} \tn 
% Row Count 17 (+ 2)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Links}}} \tn 
% Row Count 18 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://www.postgresql.org/docs/current/storage-file-layout.html}} \tn 
% Row Count 20 (+ 2)
% Row 15
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://postgrespro.com/docs/postgresql/15/storage-file-layout}} \tn 
% Row Count 22 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{User creation}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Set a password for the postgres user}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\$sudo -u postgres psql   \{\{nl\}\} \# \textbackslash{}password postgres  \{\{nl\}\} Enter new password: \{\{nl\}\} {\bf{or}} \{\{nl\}\} \# ALTER USER postgres PASSWORD '\textless{}new-password\textgreater{}';} \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{user list}}} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# \textbackslash{}du} \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Creating a new role (user)}}} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# create user \textless{}username\textgreater{} with password '123456'; \{\{nl\}\} \# alter user \textless{}username\textgreater{} with SUPERUSER; \{\{nl\}\} {\bf{or}} \{\{nl\}\} \$sudo -u postgres createuser -{}-interactive} \tn 
% Row Count 11 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{second}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Tablespace}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{List tablespaces}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# SELECT * FROM pg\_tablespace; or \# \textbackslash{}db} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{CREATE TABLESPACE}}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\$ sudo mkdir \seqsplit{/var/lib/postgresql/test\_dir} \{\{nl\}\} \$ sudo chown postgres \seqsplit{/var/lib/postgresql/test\_dir} \{\{nl\}\} \# CREATE TABLESPACE test LOCATION \seqsplit{'/var/lib/postgresql/test\_dir';}} \tn 
% Row Count 7 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Creating a database in a new tablespace}}} \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# CREATE DATABASE appdb TABLESPACE test;} \tn 
% Row Count 9 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Tablespace size}}} \tn 
% Row Count 10 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{SELECT pg\_size\_pretty( \seqsplit{pg\_tablespace\_size('test')} );} \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Delet tablespace}}} \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# DROP TABLESPACE test;} \tn 
% Row Count 14 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Moving a directory with default data}}} \tn 
% Row Count 15 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Stop cluster \{\{nl\}\} sudo pg\_ctlcluster 15 main stop \{\{nl\}\} Copy data to new directory \{\{nl\}\} Change the data\_directory variable in the config file \{\{nl\}\} \seqsplit{/etc/postgresql/15/main/postgresql}.conf \{\{nl\}\} Start cluster \{\{nl\}\} sudo pg\_ctlcluster 15 main start} \tn 
% Row Count 21 (+ 6)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Links}}} \tn 
% Row Count 22 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://www.postgresql.org/docs/current/manage-ag-tablespaces.html} \{\{nl\}\} \seqsplit{https://postgrespro.com/docs/postgrespro/15/sql-createtablespace}} \tn 
% Row Count 25 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Connection configuration}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Сonfiguration file}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{/etc/postgresql/15/main/postgresql}.conf \{\{nl\}\} edit the listen\_addresses from localhost to  *. Enable the listen\_addresses by removing the \#} \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{/etc/postgresql/15/main/pg\_hba}.conf} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To connect to a particular database, a user must not only pass the pg\_hba.conf checks, but must have the CONNECT privilege for the database. \{\{nl\}\} GRANT CONNECT ON DATABASE database\_name TO username;} \tn 
% Row Count 9 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{A record can have several formats:}}} \tn 
% Row Count 10 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{local                  database  user  auth-method {[}auth-options{]}} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{host                  database  user  address     auth-method  {[}auth-options{]}} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{host                 database  user  IP-address  IP-mask      auth-method  {[}auth-options{]}} \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Allow any user from host 192.168.12.10 to connect to database "postgres" if the user's password is correctly supplied.} \tn 
% Row Count 19 (+ 3)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# TYPE DATABASE USER ADDRESS METHOD \{\{nl\}\} host postgres all 192.168.12.10/32 scram-sha-256} \tn 
% Row Count 21 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{from all IP \{\{nl\}\} host postgres all 0.0.0.0/0 scram-sha-256} \tn 
% Row Count 23 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Links}} \{\{nl\}\} \seqsplit{https://www.postgresql.org/docs/current/auth-pg-hba-conf.html} \{\{nl\}\} \seqsplit{https://postgrespro.com/docs/postgrespro/10/auth-pg-hba-conf}} \tn 
% Row Count 26 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Backup \& Restore}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{pg\_dumpall}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{pg\_dumpall — extract a PostgreSQL database cluster into a script file} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{pg\_dumpall {[}connection-option...{]} {[}option...{]}} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\$ pg\_dumpall \textgreater{} db.out \{\{nl\}\} \$ psql -f db.out postgres} \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{pg\_dump}}} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{pg\_dump — extract a PostgreSQL database into a script file or other archive file} \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{pg\_dump {[}connection-option...{]} {[}option...{]} {[}dbname{]}} \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To dump a database called mydb into an SQL-script file:} \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ pg\_dump mydb \textgreater{} db.sql} \tn 
% Row Count 14 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To reload such a script into a (freshly created) database named newdb:} \tn 
% Row Count 16 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ psql -d newdb -f db.sql} \tn 
% Row Count 17 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To dump a database into a custom-format archive file:} \tn 
% Row Count 19 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ pg\_dump -Fc mydb \textgreater{} db.dump} \tn 
% Row Count 20 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To dump a database into a directory-format archive:} \tn 
% Row Count 22 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ pg\_dump -Fd mydb -f dumpdir} \tn 
% Row Count 23 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To reload an archive file into a (freshly created) database named newdb:} \tn 
% Row Count 25 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ pg\_restore -d newdb db.dump} \tn 
% Row Count 26 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{To reload an archive file into the same database it was dumped from, discarding the current contents of that database:} \tn 
% Row Count 29 (+ 3)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\$ pg\_restore -d postgres -{}-clean -{}-create db.dump} \tn 
% Row Count 30 (+ 1)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Backup \& Restore (cont)}}  \tn
% Row 19
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Links}}} \tn 
% Row Count 1 (+ 1)
% Row 20
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://www.postgresql.org/docs/current/app-pgdump.html}} \tn 
% Row Count 3 (+ 2)
% Row 21
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{https://postgrespro.com/docs/postgrespro/15/app-pgdump}} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}