Difference between revisions of "MySQL"
Jump to navigation
Jump to search
m |
|||
| (3 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
== MySQL == | == MySQL == | ||
| − | Connecting to MySQL server in bash | + | Connecting to MySQL server in bash. |
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
# Connect to mysql server | # Connect to mysql server | ||
| − | mysql -- | + | mysql -u<username> -p -h <ip> --ssl-ca=server-ca.pem --ssl-cert=client-cert.pem --ssl-key=client-key.pem |
</syntaxhighlight> | </syntaxhighlight> | ||
| − | MySQL commands | + | Once connected, some simple MySQL commands to browse and query. |
<syntaxhighlight lang="mysql"> | <syntaxhighlight lang="mysql"> | ||
show databases; # show the databases | show databases; # show the databases | ||
| Line 13: | Line 13: | ||
select * from table_name limit 10; # to see what's in a table (first ten entries) | select * from table_name limit 10; # to see what's in a table (first ten entries) | ||
select * from user_location where user_id='6346669087044735461' order by sample_time desc limit 10; | select * from user_location where user_id='6346669087044735461' order by sample_time desc limit 10; | ||
| + | </syntaxhighlight> | ||
| + | |||
| + | Copy remote table to local file. | ||
| + | <syntaxhighlight lang="bash"> | ||
| + | mysql -u<username> -p -h <ip> --ssl-ca=server-ca.pem \ | ||
| + | --ssl-cert=client-cert.pem \ | ||
| + | --ssl-key=client-key.pem \ | ||
| + | userdata_schema \ | ||
| + | -e "select * from user_location" > <export-file>.csv | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 12:43, 17 April 2020
MySQL
Connecting to MySQL server in bash.
# Connect to mysql server
mysql -u<username> -p -h <ip> --ssl-ca=server-ca.pem --ssl-cert=client-cert.pem --ssl-key=client-key.pem
Once connected, some simple MySQL commands to browse and query.
show databases; # show the databases
use userdata_schema; # connect to a particular database
show tables; # list the tables within the database
select * from table_name limit 10; # to see what's in a table (first ten entries)
select * from user_location where user_id='6346669087044735461' order by sample_time desc limit 10;
Copy remote table to local file.
mysql -u<username> -p -h <ip> --ssl-ca=server-ca.pem \
--ssl-cert=client-cert.pem \
--ssl-key=client-key.pem \
userdata_schema \
-e "select * from user_location" > <export-file>.csv