How would you go about dealing with multiple users accessing a database record concurrently, specifically if you have an instrument reservation table and you wish to prevent two users reserving the ... |
How would I generate the output in Java with regex, split, or tokenizing? I need to remove the spaces around words and the commas between the words. I want to store ... |
In the below code, values are inserted manually: 13 and Aman. But what I am doing is reading a file and then till the completion of the file, I am inserting ... |
I'm using the TopLink persistence library with the MySQL db in my Java applications.
I've developed the class library which is used by several desktop applications, it contains some classes that are ... |
I'm looking for a Java 2D graphics library to draw a E-R Diagram from a MySQL database, anyone know something like that?
- With a 2D Java library graphic I need to draw ...
|
I just now Say the problem domain. I have some collection of words
words are below
Algoithms,Sorting,Tree Sorting
The above words to be stored in protege. How to store and retrive from ... |
I need to add the charset="utf-8" at the end of the script tags to get the translation to another language done.
I don know where all I should add the tags. ... |
|
|
import java.sql.*;
import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.*;
import java.awt.*;
import javax.swing.table.*;
import java.util.Vector;
public class SimpleTable extends JFrame {
public SimpleTable() {
super("Simple JTable Test");
setSize(350, 200);
//setLocation(250,300);
int ColCount;
int i;
try
{
Class.forName("com.mysql.jdbc.Driver");
Connection con=DriverManager.getConnection("jdbc:mysql://localhost/employ_details","root","");
...
|
Hi i am tearing my hair out at this one, i am a noob ill admit when it comes to mysql, i had ir working perfectly on my local Mac HD, ... |
I needing to make a backup from my database in MySQL, with schema anda data.
Anyone does know how or have some tips?
Thanks
|
I want to select the first row in a table, order by time (ascending), then delete that row. I don't want to use two queries since there's a possibility that another ... |
Due to mathematica constraints I've to use the BigInteger class to represent values.
After some calculations I would like to store the result (given by 2x BigInteger instances) into Mysql...
What is the ... |
I cannot seem to get jdbcmysql to run over ssl.
Downloaded gems:
jdbc-mysql (5.0.4)
jruby-openssl (0.7.1)
Using a normal rails console (not jruby), I got it to run with (sanitized below):
cp = ActiveRecord::Base.establish_connection(
:adapter ...
|
I'm developing mobile application which will be able to download/upload mobile phone book contact from MySQL database which is stored on the web. I need to get all the numbers, name, ... |
Currently I have a database that is not managed by me and I can't do any changes to it, the id field is a smallint 2 unsigned that gives you up ... |
I'm getting introduced to serialization and ran into some problems when pairing it with LinkedList
Consider i have the following table:
CREATE TABLE JAVA_OBJECTS (
ID BIGINT NOT ...
|
test_database.jdbc.url = jdbc:mysql://localhost:3306/test_database
test_database.jdbc.driver = com.mysql.jdbc.Driver
test_database.jdbc.username = username
test_database.jdbc.password = password
new > other > other > Properties file
so plz can anyone teach me how to write the poperties file in correct classpath ... |
CREATE TABLE IF NOT EXISTS `user` (
`USER_ID` bigint(20) NOT NULL auto_increment,
`USER_ABOUT_YOU` varchar(255) default NULL,
`USER_COMMUNITY` tinyblob,
`USER_COUNTRY` varchar(255) default NULL,
`USER_GENDER` varchar(255) default NULL,
...
|
I am building a semester Java project that relies on DB, so I read tutorials about JDBC and I built simple app that reads from a MySQL DB. I tried Netbeans ... |
I having a weird problem with a DAO class and a StoredProcedure, what is happening is that I use a CallableStatement object which takes 15 IN parameters, the value of the ... |
Is there a specific method in Java that checks whether a MySQL server is alive or not?
|
I am a Java developer, and I am finding a solution to scale my new application. I have the principal application like a directory of my clients and a lot of ... |
So I have a MySQL database set up on a Debian server and it works fine from a phpMyAdmin client. I'm currently working on a project to write a Java server ... |
I am trying to connect to a remote mysql database but I get the following error
java.sql.SQLException: Cannot connect to MySQL server on biomancy.com:3306. Is
here a MySQL server running on the machine/port ...
|
I am currently working on a project that was not made by me but it makes use of a lot XML files instead of MySQL in place of it.
Because of that ... |
How one can make MySQL JDBC work over SSL (with X509 certificates validation)?
I've got self-created certificates as described in MySQL manual, in Using SSL for Secure Connections, specifically:
# Create ...
|
I wanna research mysql-connector-java depends on .so files
Do you know that mysql-connector is pure java?
|
sorry for poor topic name, i could not think for any thing better ;)
i am working on a news broadcast web site project, and the stake holder asked me to create ... |
I am new to java ... As per the documentation of apache lenya It doesnot use db by default but it can be configured to use db.. can anyone suggest a ... |
Does anyone have experience when using Guava in front of voldemort (with the mysql storage option on the back-end) I have in-depth experience with MySQL but voldemort and guava are quite ... |
We have a web-app that consists of web-tier (PHP), app-tier (Java) and DB (mysql).
web-tier communicates with app-tier AND with DB to retrieve some data.
One of our clients insists on separating each ... |
I'm trying to respond to a get request in java using a database. But it throws some error which I don't know a clue how to fix it.
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import ...
|
I am building a distributed application on top of Java and Cassandra. To generate unique sequential 32bit & 64 bit Ids, does an approach like using Flickr's ticket servers ... |
Could someone guide me understand how to implement Rich Text functionality in Java based Web application. I am using Xinha for WYSIWYG HTML editor and I am having MySql data type ... |
So, in an attempt to create a RESTful frontend to a MySQL database, I've briefly looked at phprestql (easy & simple, but just too simple) and now I'm attempting to build ... |
I'm trying to scroll over all the contents of a database. How do I properly do this:
conc conclass = new conc();
Connection conn = ...
|
I need to limit multiple service usages for multiple customers. For example, customer customer1 can send max 1000 SMS per month. My implementation is based on one MySQL table with 3 ... |
I've this problem: before 5.5 mySQL (using myISAM tables) used to truncate VARCHAR types to the column length. Now, starting with the abovementioned version, it doesn't anymore. It's a huge problem ... |
I have a query string that is dynamic. The items I am searching for in the database are based upon what the user selects in a checkbox on an html form. ... |
I backup my MySQL databse to a specific folder, say, d:\backup\ by a webpage. The backup goes without issues, but I am not able to restore it using the following command.
Runtime.getRuntime().exec("mysql ...
|
I have a java program which I want to run on Mac os.
I have problem in setting classpath of jre and mysql.jar.
If I set classpath for 'mysql-connector-1.15.0-bin.jar', its displaying exception of ... |
I have deployed a project but haven't deployed the mysql DB yet . How do I do that for it to work ? And also what changes have to be done ... |
Did someone face such an error happening in case of some queries execution? (jdbc4.CommunicationsException: Communications link failure)
Generally, this exception means some problem of communication between application and mysql. And you can ... |
In our curriculum new students with a little programming experience in Java will learn how to design and use a MySQL-database. What is the easiest way for them to create a ... |
Suppose I have a CatHerder and he has Cats, when I getCatHerderByID(String id) should I load in the CatHerder and set an arrayList of cats or an arrayList of catIDs?
... |
I have to write a Java program that creates a Car table with car manufacturers, models, model years, and fuel efficiency ratings. Insert several cars. Print out the average fuel efficiency. ... |
This seems rather simple (not for me)...
How does one ping a mysql server using the JDBC? i have successfully used select and insert queries with JDBC and MySQL, but how to ... |
How do I convert the data stored in MySQL table into RSS feed using java program.
|
I have a typical MySQL report listing one 'Item' per page. One of the fields is min_price. I would like to have my detail band list a fixed number ... |
In the following query:
query = "SELECT * FROM racetimes WHERE course='" + myracecoursevariable + "'";
I want to change the query and select data from database where the course is not equal ... |
I wrote a program with java and mysql and now i want to have a jar file that when i click on it the program work(without that mysql install on my ... |
I write a program with netbeans.
I connect my program to mysql an use from db that I made in mysql and it work correct.
Now I create .jar file from my project ... |
I am new to this MySQL concepts.i want to check the MySQL database periodically whether its working properly or not from java.Is there any simple way to check this.
Thanks In Advance.
... |
I have a simple application that would use large matrices and I wanted to show matrices operations on some (Excel sheet looking) frame, I was wondering if there are easy to ... |
I need to draw a line graph with mysql data which has two columns. some one help me with a sample code.
|
Sorry, this question might sound silly, but I need some help!
My project is to open a directory and list all the files. These are csv files. Each file is opened and ... |
I am trying to set up orben forms with mysql. I've been following these steps:
-Created schema "Orben" with the associated user "Orbeon"
-Donwloaded the mysql java jdbc connector and stored it in ... |
how to get list of Databases "Schema" names of MySql using java JDBC ?
|
Possible Duplicate:
how to get list of Databases “Schema” names of MySql using java JDBC
how to check for database schema existence in MYSQL using JDBC ... |
We have a MySQL setup with one master and two slaves we use Spring 3.0 to connect to the DBs and mysql-connector-java-5.1.13.jar.
We also use commons dbcp 1.4 for connection pooling.
We ... |
I have the following table:
create table test
(
fname char(20) character set utf8 collate utf8_turkish_ci,
id int primary key
);
I am inserting data as follows:
resultSet.executeQuery("set namee utf8");
preparedStatement = connection.prepareStatement("insert into test(fname) ...
|
I have a field in my object that is required to be fixed width and only numeric. It will hold values such as 0002, 0103, or 1212. Currently, I have my ... |
I just set up a MySQL server on my PC for testing Java with JDBC.
At the moment "localhost" works perfectly as hostname for my applications, when running them on the same ... |
preparedStatement = connection.prepareStatement("select fname,lname, "
+ "sportman_code
...
|
How to store audio files to MYSQL DB from a java servlet...
Please Help
|
I'm learning Java and just started playing around with mysql and am having a bit of a problem with some logic that worked in python and I'm having trouble converting.
I basically ... |
I would like to get the hash of files (mostly video files) independent of external properties such as path and file name. I'll be needing to store hash in a database ... |
resultset = statemet.executequery("select shift+0 from sportman");
string x = resultset.getstring("shift");
but second line throw exception:
Column 'shift' not found.
shift is bit(8) and i want to show it to form '000101'.
|
Since the AKKA persistence module has been deprecated, how can I use AKKA with MySQL using the Java API?
|
Whenever I connect to mysql using command prompt, It returns a thread_id (64 in this case).
Is it possible to get this number using Java (preferred) or PHP?
# mysql -h10.10.10.10 -uroot -proot@123
Welcome ...
|
I'm building a restlet webservice with lots of connections(1000 users) from the clients to a MySQL database.
- Should I use a framework like Hibernate to handle data(I figure I could hack out ...
|
I am currently developing a java application that uses JDBC inorder to connect to MySQL on a computer running Mac OS 10.6.7. The server that I connect to suddenly decided to ... |
I'm working with an application that uses JBPM 3.1 and MySQL. The core problem is that there are processes instances with variables that contain an older version of an external, ... |
I have 2 Tables and i join them.
I have a special_id field, if the special_id field is > -1 then they should be printed out before the ones with special_id < ... |
I've just upgraded my server to Suse 11.4 & I'm using MySQL 5 & Java 6 and systinet as my web server.
When I try to log in my application I can't ... |
Is there a way in Java using MySQL connector, I can perform a read modify write atomically, i.e., I want to perform this:
// pseudocode
atomic
{
r = getRecord();
...
|
I'm trying to determine which is the right way to code a DAO for a class that contains a few primitive data types, and three strongly typed objects which have DAOs ... |
I'm doing an advertising network as a project for BS degree.
I;m trying to identify the same user across multiple websites. I have a USER table in my database with ID ... |
I am trying to run the following sql script on a mysql server through an ant task using mysql-connector-java-5.1.15, but it will not work and I get the following error on ... |
So, here is the deal.
I'm developing an Android application (although it could just as easily be any other mobile platform) that will occasionally be sending queries to a server (which is ... |
These tables contain information about various machinery parts stored in dierent warehouse
locations:
CREATE TABLE part (
pid: integer,
description: varchar(128),
PRIMARY KEY (pid)
) Engine = InnoDB;
CREATE TABLE warehouse (
wid: integer,
address: varchar(128),
PRIMARY KEY (wid)
) Engine = ...
|
I have developed a program where I do some database connections and send some queries with JDBC.
I have used MySQL, NetBeans 6.9 under Ubuntu 11.04 as platform. When I run the ... |
I have an application which is for doing db migration from java db to my sql.i want to know the code for this.am using netbeans.how directly migrate java db to mysql?
... |
hi everyone i have this code but don't know why it doesn't work!
//in database class
String query = "SELECT group_name FROM customer ORDER BY group_name";
java.sql.PreparedStatement stm = connection.prepareStatement(query);
rs ...
|
Is there something specific to be aware of when connecting to a second MYSQL database in java?
I query one database db1 just fine, but when i switch to a duplicate databasedb2 ... |
Ok, sorry if this question is stupid. I followed this tutorial: http://www.youtube.com/watch?v=E30_-pQGQXs. Now that I have it compiling in Eclipse, when I upload it to a remote server, how ... |
I am curious how com.mysql.jdbc.ReplicationDriver works.
I have configuration with 1master & 1slave.
I want to force some queries to JUST on slave.
But it selects DB randomly and sometimes run it on master.
Is ... |
I am executing the following queries with JDBC/SphinxQL (Sphinx version 2.01 Beta)
with a WHERE clause:
ResultSet res = stmt.executeQuery("SELECT * FROM myindex WHERE MATCH('name')");
without a WHERE CLAUSE
ResultSet res = stmt.executeQuery("SELECT * FROM ...
|
I can't seem to find the my.cnf or other config file for the MySQL that comes with MAMP. Does it not include one?
I want to use NetBeans for Java/MySQL Development and ... |
I have been working on a java application that has a connection to a mysql database. I can connect and run queries but when I try to take a string and ... |
I want to run SET SESSION wait_timeout=172800 in java. I tried both executeQuery and executeUpdate, but the variable seems to be unchanged. How can i set the wait_timeout from my java ... |
I'm trying to change a value Dr_status that only contain one int even 0 or 1. So if Dr_status equal to 1 change it to 0 and vice versa.
Here is the ... |
I am using james2.3.2 to be my mail server and the backend is mysql 5.5.
I got a exception as the following:
23/06/11 16:39:49 DEBUG mailstore: Exception reading attributes Mail1308818378708-0-to-163.com in spool
java.io.InvalidClassException: ...
|
there are two tables in db
Book{
isbn integer, //primary key
title char(50),
publisher char(30),
year integer
}
Author{
isbn integer, //foreign key
name String,
rank integer, // indicate whether it is author1, author2, author3,...,authorn
}
write a sql statement ... |
How would I go about storing a HashSet with an unknown size in a mysql table. I know I can loop through it and store it into a longtext field.
However when ... |
I want to import Tab delimited file in mysql database.How i can do using java.
Thanks
|
I want to create a report ,which could give me the pending payment till now, and expected payment to come in next two month week wise. I mean if July is ... |
I fail to figure out the difference between removeAbandoned and eviction. I read somewhere that removeAbandoned was deprecated, but it is not mentionned nowhere in the official doc (http://commons.apache.org/dbcp/configuration.html).
So, if someone ... |
I have the following syntax in my code, but it is not working when I am trying to use the LIKE operator in JDBC. It works fine in this way, when ... |