Access MySQL with Bash Shell Script

Question: I need an example of a bash shell script to select rows from a MySQL table. 

I would also like a script example that shows how to use a shell script to insert data into a MySQL table from UNIX/Linux.

Answer:  It is simple to use any shell script to access a database, and using a shell script to select MySQL table rows is as simple as executing the /usr/bin/mysql executable and passing he SQL query as aeguments to MySQL.

 Below is a sample bash shell script accesses a MySQL database.

#! bin/bash

#**************************
# Define the MySQL query
#**************************

qry="select * from mytable"

#********************************************
# Now we connect to the MySQL database
# and execute the query from the shell script
#********************************************

/usr/bin/mysql -u dbuser << eof
$qry
eof

#end of script to select rows

 You can insert rows into a MySQL table from a shell sceipr using the same format, replacing the select statement in $qry with an insertion statement.

 #! bin/bash
insvar="insert into mytab values ('a','b','c')"

#********************************************
# Now we connect to the MySQL database
# and execute the query from the shell script
#********************************************

/usr/bin/mysql -u dbuser << eof
$insvar
eof

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