Uninstall mysql ubuntu 18.04 stackoverflow

uninstall mysql ubuntu 18.04 stackoverflow sudo service mysql stop #or mysqld sudo killall -9 mysql sudo killall -9 mysqld sudo apt-get remove –purge mysql-server mysql-client mysql-common sudo apt-get autoremove sudo apt-get autoclean sudo deluser -f mysql sudo rm -rf /var/lib/mysql sudo apt-get purge mysql-server-core-5.7 sudo apt-get purge mysql-client-core-5.7 sudo rm -rf /var/log/mysql sudo rm -rf […]

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Sql string functions

sql string functions ASCII Returns the equivalent ASCII value for a specific character. CHAR_LENGTH Returns the character length of a string. CHARACTER_ LENGTH Same as CHAR_LENGTH. CONCAT Adds expressions together, with a minimum of 2. CONCAT_WS Adds expressions together, but with a separator between each value. FIELD Returns an index value relative to the position […]

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