connect.out

来自「derby database source code.good for you.」· OUT 代码 · 共 33 行

ij> driver 'org.apache.derby.jdbc.EmbeddedDriver';
ij> connect 'jdbc:derby:wombat;create=true';
ij> -- can we run a simple query?
values 1;
1          
-----------
1          
ij> -- can we disconnect?
disconnect;
ij> -- can we reconnect?
connect 'jdbc:derby:wombat;create=true';
WARNING 01J01: Database 'wombat' not created, connection made to existing database instead.
ij> -- can we run a simple query?
values 1;
1          
-----------
1          
ij> disconnect;
ij> -- do we get a non-internal error when we try to create
-- over an existing directory? (T#674)
connect 'jdbc:derby:wombat/seg0;create=true';
ERROR XJ041: Failed to create database 'wombat/seg0', see the next exception for details.
ERROR XBM0J: Directory DBLOCATION/seg0 already exists.
ij> -- check to ensure an empty database name is taken
-- as the name, over any connection attribute.
-- this should fail.
connect 'jdbc:derby: ;databaseName=wombat';
ERROR XJ004: Database '' not found.
ij> -- and this should succeed (no database name in URL)
connect 'jdbc:derby:;databaseName=wombat';
ij> disconnect;
ij>