Editing MySQL commands (section)

==== Exporting entire data ====
'''method1''': {{Gd}} export the compressed *.sql file (especially for BIG sql file). It will show a progress bar and estimated time to complete the mysqldump<ref>[http://dba.stackexchange.com/questions/17367/how-can-i-monitor-the-progress-of-an-import-of-a-large-sql-file mysql - How can I monitor the progress of an import of a large .sql file? - Database Administrators Stack Exchange]</ref><ref>[https://dev.mysql.com/doc/refman/5.1/en/mysqldump.html MySQL :: MySQL 5.1 Reference Manual :: 4.5.4 mysqldump — A Database Backup Program]</ref><ref>[http://stackoverflow.com/questions/5666784/how-can-i-slow-down-a-mysql-dump-as-to-not-affect-current-load-on-the-server backup - How can I slow down a MySQL dump as to not affect current load on the server? - Stack Overflow]</ref>: 
# (optional) install {{kbd | key =pv}} if the {{kbd | key =pv}} was not installed
# (for InnoDB tables){{kbd | key =  <nowiki>mysqldump -h localhost -u username -p --force --single-transaction --default-character-set=utf8 DATA_BASE_NAME | pv | gzip -c > database.sql.gz</nowiki>}} <ref>[http://journal.andrewloe.com/2009/05/12/pv-gzip-mysql/ pv + gzip + mysql — W. Andrew Loe III: Journal]</ref><ref>(if have permission to LOCK TABLES){{kbd | key =  <nowiki>mysqldump -h localhost -u username -p DATA_BASE_NAME | pv | gzip -c > database.sql.gz</nowiki>}} (if have no permission to LOCK TABLES){{kbd | key =  <nowiki>mysqldump -h localhost -u username -p --lock-tables=false DATA_BASE_NAME | pv | gzip -c > database.sql.gz</nowiki>}} via [http://stackoverflow.com/questions/104612/run-mysqldump-without-locking-tables mysql - Run MySQLDump without Locking Tables - Stack Overflow]</ref> and press {{kbd | key =  <nowiki>Enter</nowiki> }}
# ask to enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}

optional: Append the Today's date to file name
* On {{Linux}}: (for InnoDB tables){{kbd | key =  <nowiki>mysqldump -h localhost -u username -p --force --single-transaction --default-character-set=utf8 DATA_BASE_NAME | pv | gzip -c > database.sql.$(date +"%y%m%d").gz</nowiki>}} 

'''method2''': Bulk export individual tables into the multiple compressed *.sql files
<pre>
mysqldump -h localhost -u username -pPASSWORD --force --single-transaction --default-character-set=utf8 DB_NAME TABLE_1 | pv | gzip -c > table_1.sql.gz
mysqldump -h localhost -u username -pPASSWORD --force --single-transaction --default-character-set=utf8 DB_NAME TABLE_2 | pv | gzip -c > table_2.sql.gz
   
</pre>
note: the last line of above part is '''return symbol'''. The last command will not be executed automatically without the return symbol.

'''method3''': export the *.sql file. It will show a progress bar and estimated time to complete the mysqldump <ref>[http://dubbs.github.io/blog/2013/09/05/mysql-import-slash-export-progress-bar/ MySQL Import/Export Progress Bar - Kevin Warrington]</ref>: 
# (optional if the {{kbd | key =pv}} was not installed) {{kbd | key =yum install pv}} for RHEL / CentOS / SL / Fedora Linux
# (for InnoDB tables){{kbd | key =  <nowiki>mysqldump -h localhost -u username -p --force --single-transaction --default-character-set=utf8 DATA_BASE_NAME | pv > database.sql</nowiki>}}  and press {{kbd | key =  <nowiki>Enter</nowiki> }}
# enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}

'''method4''': export the *.sql file
# {{kbd | key =  <nowiki>mysqldump -h localhost -u username -p --single-transaction  --default-character-set=utf8 DATA-BASE-NAME > /path/to/database.sql </nowiki>}}

'''method5''':  Using phpmyadmin to export the database. {{exclaim}} But I found the number rows of table after imported was not the same with the number rows of original table once.