Re: Syntax of derby db & squirrel-sql

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 08 Mar 2008 22:04:08 -0500
Message-ID:
<47d353a5$0$90276$14726298@news.sunsite.dk>
Mr. X. wrote:

First, I am looking for a tutorial for the sql of Derby.


Start at http://db.apache.org/derby/manuals/index.html#docs_10.3

Second, there are some questions :
1. When creating a table :
  CREATE TABLE customers (
    id int generated always as identity constraint cust_pk primary key, ...

)

How can I resolve the value of the last id after inserting a record ?


http://db.apache.org/derby/docs/10.3/ref/rrefidentityvallocal.html

2. How can I execute several sql-statements, no metter if the last one
failed.

drop table my_table ; // yet it not exists
Create table my_table ...;
Create table my_table2 ... ;


Your Java code should be able to handle that.

3. How can I connect the db from another computer ?
(Should I use for that the EmbeddedDriver, which I didn't see a choice of
entering the computer name / host name).


I have some working code with something like:

Class.forName("org.apache.derby.jdbc.ClientDriver");
Connection con = DriverManager.getConnection("jdbc:derby://localhost/mydb");

But I must admit that I can not find a document for that now.

Arne

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