apache_derby
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revision | |||
| apache_derby [2016/03/05 13:53] – skip | apache_derby [2020/12/27 20:35] (current) – external edit 127.0.0.1 | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| + | ====== Apache Derby ====== | ||
| + | A tiny Java DB (2MB) deliered togehter with JDK. | ||
| + | == install == | ||
| + | set environment var DERBY_HOME | ||
| + | < | ||
| + | DERBY_HOME=d: | ||
| + | </ | ||
| + | |||
| + | and add DERBY_HOME\bin to Path environment variable | ||
| + | |||
| + | |||
| + | == start derby == | ||
| + | < | ||
| + | $DERBY_HOME/ | ||
| + | </ | ||
| + | |||
| + | == create Database == | ||
| + | Start queriing tool **ij** | ||
| + | < | ||
| + | ij | ||
| + | </ | ||
| + | |||
| + | Create DB by connecting to it with **create=true** | ||
| + | < | ||
| + | ij> connect ' | ||
| + | </ | ||
| + | |||
| + | Create **customer** Table | ||
| + | < | ||
| + | ij> create table customer (custId int primary key, firstname varchar(20), | ||
| + | </ | ||
| + | |||
| + | Print **customer** Table | ||
| + | < | ||
| + | ij> describe customer; | ||
| + | </ | ||
| + | |||
| + | Insert stuff into **customer** Table | ||
| + | < | ||
| + | ij> insert into customer values (1, ' | ||
| + | ij> insert into customer values (2, ' | ||
| + | ij> insert into customer values (3, ' | ||
| + | </ | ||
| + | |||
| + | Count stuff in **customer** Table | ||
| + | < | ||
| + | ij> select count(*) from customer; | ||
| + | </ | ||
