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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
mysqldump and mysqlrestore

It is vital that you back up your data ... and if you hold your data in a MySQL database, then the mysqldump utility will do the job admirably for you.

It is equally vital that you can restore the data from backup if (heaven forbid) you need to do so ... and yet there is not a mysqlrestore utility.

Why so? How do I restore dumped data?

Mysqldump saves data in the form of SQL commands which can be typed in to the mysqlclient program .... and tha program supports a source command which allows the user to bring in the data from a named file.

Want to see an example? Let's use MySQLDump and MySQL to dump a database (called imageapp) from one server (called liveserver) and restore it, inder a new name (imgappcopy), on another server (devserver):
mysqldump -hliveserver -uroot -p imageapp > images.sql
mysql -hdevserver -uroot -p
create database imgappcopy;
use imgappcopy;
source images.sql

(written 2007-03-30)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
S153 - Sourcing, Running and Configuring MySQL
  [192] Current MySQL and PHP paths and upgrades - (2005-01-28)
  [334] Symbolic links and hard links - (2005-06-02)
  [489] Which MySQL server am I using? - (2005-11-07)
  [515] MySQL - an FAQ - (2005-12-03)
  [535] MySQL permissions and privileges - (2005-12-20)
  [591] Key facts - SQL and MySQL - (2006-02-04)
  [907] Browser -> httpd -> Tomcat -> MySQL. Restarting. - (2006-10-28)
  [1095] Apache httpd , browser, MySQL and MySQL client downloads - (2007-02-28)
  [1131] MySQL - Password security (authentication protocol) - (2007-04-02)
  [1689] Some sideways thoughts on the news - (2008-06-27)
  [1731] Apache httpd, MySQL, PHP - installation procedure - (2008-08-01)
  [1771] More HowTo diagrams - MySQL, Tomcat and Java - (2008-08-24)
  [1935] Summary of MySQL installation on a Linux system - (2008-12-11)
  [2085] MySQL - licensing issues, even with using the name - (2009-03-16)
  [2209] Monitoring and Tuning your MySQL installation - (2009-05-31)
  [2426] Which version of MySQL am I running? - (2009-09-26)
  [2444] Potted MySQL installation - (2009-10-09)
  [2445] Securing MySQL on a production server - (2009-10-09)
  [2458] Cant connect to local MySQL server through socket /tmp/mysql.sock - (2009-10-17)
  [4390] Checking MySQL database backups have worked (not failed) - (2015-01-10)
  [4406] Fixing damaged MySQL tables - Error 1712 and Error 2013 - (2015-01-25)
  [4487] Starting MySQL. ERROR! The server quit without updating PID file - how we fixed it. - (2015-05-06)

G996 - Well House Consultants - Newsletter Scripts
  [1001] .pdf files - upload via PHP, store in MySQL, retrieve - (2006-12-19)
  [1066] Final, Finally and Finalize - three special words in Java - (2007-02-05)
  [1217] What are factory and singleton classes? - (2007-06-04)
  [1321] Resetting session based tests in PHP - (2007-08-26)
  [1387] Error logging to file not browser in PHP - (2007-10-11)
  [1487] Efficient PHP applications - framework and example - (2007-12-28)
  [1505] Script to present commonly used images - PHP - (2008-01-13)
  [1601] Replacing the last comma with an and - (2008-04-04)
  [1665] Factory method example - Perl - (2008-06-04)
  [1743] First class functions in Lua lead to powerful OO facilities - (2008-08-07)
  [1813] Ajax - going Asyncronous and what it means - (2008-09-28)
  [1954] mod_rewrite for newcomers - (2008-12-20)
  [2046] Finding variations on a surname - (2009-02-17)
  [2145] Using the internet to remotely check for power failure at home (PHP) - (2009-04-29)
  [2259] Grouping rows for a summary report - MySQL and PHP - (2009-06-27)
  [2360] Error Handling in Lua with assert and pcall - (2009-08-13)
  [2433] Controlling, supressing, enabling PHP error messages - (2009-10-02)
  [2539] Changing Images - (2009-12-17)
  [3179] Oops - I typed ci not vi, and have lost my file ... - (2011-02-21)


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Some other Articles
A day at the races
MacFormat - Me and My Mac
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mysqldump and mysqlrestore
Hotel - online feedback forms compared
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The Last Word on the road
Origin of Jack and Jill and little Jack Horner
Newport Male Voice Choir
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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