Sample commands: Difference between revisions

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</pre>
</pre>
* You can use db_name.tbl_name as an alternative to the tbl_name FROM db_name syntax. In other words, these two statements are equivalent:
* You can use db_name.tbl_name as an alternative to the tbl_name FROM db_name syntax. In other words, these two statements are equivalent:
<nowiki>
<pre>
  SHOW COLUMNS FROM City;
  SHOW COLUMNS FROM City;
  MariaDB [testsietske]> SHOW COLUMNS FROM mytable FROM mydb;
  MariaDB [testsietske]> SHOW COLUMNS FROM mytable FROM mydb;
  MariaDB [testsietske]> SHOW COLUMNS FROM mydb.mytable;
  MariaDB [testsietske]> SHOW COLUMNS FROM mydb.mytable;
</nowiki>
</pre>
* show only first 10 results
* show only first 10 results
<nowiki>
<pre>
  MariaDB [testsietske]> select * from City limit 10;
  MariaDB [testsietske]> select * from City limit 10;
</nowiki>  
</pre>  
* show result 10 to 30
* show result 10 to 30
<nowiki>
<pre>
  MariaDB [testsietske]> select * from City limit 20 offset 10;</nowiki>
  MariaDB [testsietske]> select * from City limit 20 offset 10;</pre>

Latest revision as of 05:58, 3 September 2015

testdatabase 'testsietske';

> mysql -u root

MariaDB [testsietske]> use testsietske;

MariaDB [testsietske]> show tables;

MariaDB [testsietske]> select * from City;

MariaDB [testsietske]> select * from City where Countrycode = "NLD";

MariaDB [testsietske]> select * from City where District = "Noord-Holland";

MariaDB [testsietske]> select * from City where Countrycode = "NLD" and  population > "100000";


MariaDB [testsietske]> show tables;

MariaDB [testsietske]> select * from Country where Continent = "Europe";

----
  • You can use db_name.tbl_name as an alternative to the tbl_name FROM db_name syntax. In other words, these two statements are equivalent:
 SHOW COLUMNS FROM City;
 MariaDB [testsietske]> SHOW COLUMNS FROM mytable FROM mydb;
 MariaDB [testsietske]> SHOW COLUMNS FROM mydb.mytable;
  • show only first 10 results
 MariaDB [testsietske]> select * from City limit 10;
  • show result 10 to 30
 MariaDB [testsietske]> select * from City limit 20 offset 10;