Cannot execute query on mysql ubuntu droplet.

May 6, 2015 1.9k views
MySQL
andirahmat
By:
andirahmat

Cannot execute query on mysql ubuntu droplet.

i tried to execute this query :
select a.NAMAMAHASISWA,a.TAHUNMASUK,a.CKODEPRODI,b.*

from tmstmahasiswa a, smktlogtramhsnilai b
where a.CNPM=b.CNPM
AND b.CTAHUNAKADEMIK='2014-2015' AND b.CKODESEMESTER='1'
AND b.FVERIFIED='0'
order by b.C_NPM ASC

but it return nothing. the query not excecuted.

i tried to execute the same query on my xampp localhost on windows and it was executed successfully.

anyone facing the same problem before?

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3 Answers
Woet May 6, 2015

How are you executing the query? What makes you think it's not executed?

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andirahmat May 6, 2015

executed the query on pypmyadmin,
also on mysql shell using : mysql -u root -p

it's not executed because it returns nothing,
both phpmyadmin and mysql shell.

the i run the same query on my xampp localhost on windows and it was executed successfully.

i follow this tutorial to build my webserver : http://www.servermom.org/build-ubuntu-server-a-complete-guide/

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andirahmat May 6, 2015

i'm sorry before, now the query was executed successfully.
the problem is mysql use 100% of cpu, and then i've tried to index my table and it works.
thanks for your help :)

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