DB Import & Export: Difference between revisions
Jump to navigation
Jump to search
| Line 1: | Line 1: | ||
= Commands = | = Commands = | ||
== PostgreSQL == | |||
{| class="wikitable" | |||
! 🎯 Purpose || ⌨️ Command | |||
|- | |||
| Backup<br>(container) || | |||
<syntaxhighlight lang="bash"> | |||
sudo docker exec -e PGPASSWORD='****' -it postgis-ssl psql -U user -d dbname -c 'SELECT 1' | |||
</syntaxhighlight> | |||
|} | |||
== MariaDB == | == MariaDB == | ||
| Line 40: | Line 51: | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
|} | |} | ||
Revision as of 09:01, 20 October 2026
Commands
PostgreSQL
| 🎯 Purpose | ⌨️ Command |
|---|---|
| Backup (container) |
sudo docker exec -e PGPASSWORD='****' -it postgis-ssl psql -U user -d dbname -c 'SELECT 1'
|
MariaDB
| MariaDB | |
|---|---|
| Export database |
mariadb-dump -p my_wiki
mariadb-dump -p --compatible=postgresql my_wiki
mariadb-dump -p --no-data --compatible=postgresql my_wiki
mariadb-dump -p --no-create_info --compatible=postgresql my_wiki
mariadb-dump -p --no-create_info --extended-insert=false --compatible=postgresql my_wiki
|
| Restore database |
echo 'create database my_wiki;' | mariadb -p
mariadb -p < data-to-import.sql
|
SQLite3
| SQLite 3 | |
|---|---|
| Export database |
sqlite3 my_wiki.sqlite '.dump'
sqlite3 my_wiki.sqlite '.dump user'
sqlite3 -header my_wiki.sqlite '.mode insert' 'select * from user;'
|
| Restore database | |
MariaDB
Script to sync db
DATESN=`date +'%m%d'`
DBNAME=mydb
DBFILE=~/Downloads/${DBNAME}-${DATESN}.sql
SSHTUN=13306
SSHCTRL=tun.ctrl
SSHCONF=myconf
RPASS=********
LPASS=********
if [ -e $SSHCTRL ]; then
echo "* Close existed tunnel."
ssh -S $SSHCTRL -O exit $SSHCONF 2> /dev/null
fi
echo "* Load data from remote and save as $DBFILE"
ssh -M -S $SSHCTRL -NCfL $SSHTUN:127.0.0.1:3306 $SSHCONF
mysqldump -h 127.0.0.1 -P $SSHTUN -u root -p$RPASS $DBNAME > $DBFILE
ssh -S $SSHCTRL -O exit $SSHCONF 2> /dev/null
echo '* Import data into local'
echo "DROP DATABASE IF EXISTS $DBNAME" | mysql -u root -p$LPASS test
echo "CREATE DATABASE IF NOT EXISTS $DBNAME" | mysql -u root -p$LPASS test
echo "source $DBFILE" | mysql -u root -p$LPASS $DBNAME
echo 'Done.'