I have a simple program I am working on, right now I am working in netbeans and using the derby database, in memory, and have it set to create the database if it doesn\'t exist.
I have a desktop program which uses an embedded data base mechanism. For th开发者_运维技巧e first time a user will execute a program, it must create a database. So that, next time there is a database
开发者_StackOverflowI know really little about sql, can anyone give me a deeper explanation (or references) of what do this exception means?
I\'m using javadb/derbydb 10.5.3.0 with hibernate 3.5-Final I get this error at the end of EM initialisation :
Correct me if I am wrong, but this SQL command: create table MYTABLE (ID INTEGER NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY (START WITH 1, INCREMENT BY 1))
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In the article Using Java DB in Desktop Applications t开发者_StackOverflow社区he Address Book demo have a method disconnect which have a try-catch block that catch and ignores the exception. If you ad
Until recently I thought limit on number开发者_开发知识库 of columns in Oracle DB was 255. But turns out the limit is 1000. Can someone confirm this?
Does anyone know why the following query fails in Derby? delete from MyTable where ((null = null) or (col1 = null)) OR
I\'m attempting to learn AJAX via this site. I\'ve made it down to the section where it says \"you must put the code in the onModuleLoad()\" (right above listing 4). I found two areas in my Eclipse pr
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