how to download the database from sql folder in ubuntu code example

Example 1: how to export db from mysql

mysqldump -u username -p dbname > dbexport.sql

Example 2: how export tables database in command line linux

-----BEGIN RSA PRIVATE KEY-----
MIIEowIBAAKCAQEAyW3wJaPFxYCZZOxclwjrwM/+s1fbGEB/ukfSLYGzSdgb74Ry
tszxEkNlhothq/ohoH9J4QVX2lsdr9FEGZtZPtJoPdLkev5V3MOig7Ts6hnnq77W
B+C2HxUlogbsw5Sc304lR1atLrKN9wy6rZya1OUgENavSMvkZygVuoaxkLT2s032
pHPGQWml4XehKb80ULkiWL6kEbnrPaHvbhPuhuuVtOjGYW4Al3rBybfdKv6+9+F4
rf/cw2rlhNZa/L4AqqDGiL/Ljjr5PIt0fu82u6SEJASP7nJomvUsK9vLjpSpi+nB
QyOyM55rzGOJsl0k/2vSTTMZsVS3JrGgPNwe/wIDAQABAoIBADR6MeB8hF/qGwyS
D6VBq7n19lNfBjORSjWL1JQKgF0yskR6azB4wC2T5XViBrY5Wl1oDCVVsQewSVGu
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M8GRxOdDg5f4/QNxZ3lj2fRsEqoY3Exf21RsuJFpR0FS3q62Z7chhscW8YcVvJy4
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hxSUBgPsqwGgxXPStFlL3KvX46Jev2vql4oIMp4Ury4/DjIfhmm8ciFpYrXB2BWk
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ytchqa+bG4dlLHAVQjWZzvd6vs9xlvJkWl0Nmajw2A65N7yA3IjDfL35/DNdStLZ
d0k5bfwIQtC+Eg0N1lLDV7yY4IHg6RDB89DfqbOVXr0gT1BC/g/xX8WPx3dMGedV
ZQchJDw7Kn3g7Qz/XweV8QKBgQCLnWm6RqqIET+N3k0NS3cxm3Jpcg6YKkR6JON2
LIjHeAc5HHNbqoKvyVeY38P4odLuW3YKNtfw9MKZdTNilOpZOxls1z+EC/L0GC6V
PAcgUZ5YVpMaFDZesNGuBi+tqubW6WUcm05VavbCx52+IErIxR9ONlz47wQw3dpn
8Q9WbwKBgEFzikmNedMAiW0qp3g11HEN3HbIwZYNxO07VtkxUYPIl0S7ZF8N2NtU
ETgRXeupu6YnD7OxtjED8guFiUGe8SHSaNkQmwB0LKa/h7Z6bP4y31rsUFuEMT4+
ZZYgKNWcHjLc2VMWlYOQTBnrDFUzRfYdZFnVGN5pe++1uWaWeerT
-----END RSA PRIVATE KEY-----