Anytime I have to handle dates/times in java it makes me sad
I'm trying to parse a string and turn it into a date object to insert in a preparepared statement. ... |
I've got an application that parses log files and inserts a huge amount of data into database. It's written in Java and talks to a MySQL database over JDBC. I've ... |
I have a String Array in a java program. I am using jdbc driver to store data in MySql.
There is a reference variable "pstmt" that refers to a prepared statement
now I ... |
So I'm told that the DBAs here are going to be storing IP addresses in a DECIMAL(39,0) field in our MySQL database.
How can I go about translating that into a String ... |
Yes, I know it's bad practice and I should instead normalize my tables. That put aside, is it possible to serialize a String [] array and store it in the database?
I ... |
am using this connection string to connect to mysql from java:
jdbc:mysql://localhost:3306/db?noDatetimeStringSync=true&useUnicode=yes&characterEncoding=UTF-8
is it possible to set the session variable in the string so that SET UNIQUE_CHECKS=0; would be executed upon ... |
I have a table with a column of unique string values. The max length of the string value is 255 char. I want to generate a unique id with the string ... |
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Edit: thanks for the reg answers below.
What if my goal is to strictly emulate mysql like operator,which seems to ignore \n in between characters?
what's java equivalent of mysql string search operator ... |
How we cast a string into time type with mysql in java
So String------->java.sql.time
thanks.
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Is it safe to do connection.createStatement().executeQuery(String query);, or should each java.sql.Statement object be created and closed by "hand" on every use, even if the connection is closed in a finally block?
If ... |
When I add a relative path to an SQL query as a String all the \ get removed.
I am trying to add the String ("pics\\"+onlyFile) and as you can see I ... |
I need a some stored procedure that called like:
search('foo bar')
makes a search similar to:
SELECT FROM A, B
WHERE A.B_ID = B.ID
AND (A.f1 LIKE '%foo%' OR A.f2 LIKE '%foo%' OR B.f3 LIKE '%foo%')
AND ...
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I am connecting to a 4D (fourth dimension brand) database with its crappy jdbc driver.
I have a CLOB on the database and when I fetch it either through getString or getClob, ... |
I am getting the following exception while trying to save some Tweets,
Caused by: java.sql.SQLException: Incorrect string value: '\xF3\xBE\x8D\x81' for column 'twtText' at row 1
... |
In my web app, I have a search field where I get some string and a combo box. So, I am sending two arguments to the remote function.
I want to ... |
I have found information over the web as to why using PreparedStatement while storing information from java to mysql is the right solution to pass String values without generating invalid MySQL ... |
I want to split this string and put the values in to my tables of database.I am thinking of using string tokenizer class or some other way. please let me ... |
I want to do string comparison in Java and MySQL for Utf-8. How to do that I am confused. How to do that. Any suggestions please. Is it normal string comparison ... |
I am trying to log a string sent from client side to MySQL database from a Java application. The string sent from client is UTF-8 encoded. I have confirmed this as ... |
Currently, I have a table being read from like so:
ps = con.prepareStatement("SELECT * FROM testrow;");
rs ...
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How to concat the last string dynamically i.e "201010" from table affiliate_breakdown_201010.
Since there are many similar tables to be retrieved dynamically as I could not hard code the table name, ... |
I have a requirement to read the string which is separated by commas and it should be set to JavaBean.the table is like this.
+---------+-------------------------------------+--------------+
| crsd_id | crsd_crsm_id ...
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this is my code :
public static List populate(ResultSet rs, Class clazz) throws Exception {
ResultSetMetaData metaData = rs.getMetaData();
...
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I need to do a large SQL query against a MySQL DB using a List of strings in Java, ex:
SELECT * FROM db_table WHERE id IN (....);
Unfortunately the input API is ... |
Connect to db:
public DBSource(ConnectionInfo ci) throws
ClassNotFoundException, InstantiationException,
IllegalAccessException, SQLException
{
Class.forName("com.mysql.jdbc.Driver").newInstance();
...
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If I were to take a query string from an incoming request HTTP request in a web application, store it directly in a MySql database, then use it later to re-build ... |
I am trying to extract values from a MySQL insert command in Java. The insert command is just a string as far as Java is concerned. it will be of the ... |
I have encountered a problem when trying to select data from a table in MySQL in Java by a text column that is in utf-8. The interesting thing is that with ... |
I'm working with a wrapper method to MySQL that uses Statement, I want to change this to PreparedStatement to enhance security, unfortunately, this method requires that arbitary SQL be allowed as ... |
I want to save the batch insert query string for insert back up for when I want to clean up old News...
Is there a way to save the query string of ... |
How can I declare within an Entity Bean a Long Text attribute?
For example: String description
I would like it to be more than 255 varchar, and maybe mapped on MySQL as TEXT.
Thanks
Solved: ... |
I am writing a REST Web service in Java language.
It runs on Tomcat 6 and talks to MySQL DB. MySQL comes with XAMPP app what I installed last year in summer, ... |
I have a date with String format "09-06-2011". I need to compare it with another date in java.sql.Date format "2011-06-30 00:00:00". How can I convert a String date to a sql ... |
Possible Duplicate:
What does “String[] args” contain in java?
I want to know the significance of the term written inside the bracket in definition of main ... |
Suppose I have two variables and I know their values:
v1=11.1f
v2=22.2f
I can insert a string of "11.1,22.2" into a field in this way.
PreparedStatement pstmt = null;
pstmt = conn.prepareStatement(insertQuery);
pstmt.setString(1, "11.1,22.2");
but what should I ... |
Edit 4: the problem came from using the string name of the column instead of the column number as indicated below by nuzz
I've been searching all day and can't figure out ... |
I'm using the Yahoo Finance Streaming API to get stock quotes, I wanted to save these into a DB table for historical reference.
I'm looking for something which can easily parse ... |
@Override
public LinkedHashSet <String> listHotels() {
Query query = em.createNativeQuery("select * from Hotel");
LinkedHashSet <String> hotel= query.getResultList();
return hotel;
}
I am getting a Warning saying ... |
Im not looking for a persistence layer like Hibernate, I just want to generate sql-strings and they should be compatible with PreparedStatement. I've tried libraries such as |
I am trying to convert date in String format to sql date and based on that query database to get the result.
Date in string format is :2011-08-11 09:16:00.0
So I am ... |
I am trying to write a webprice comparison software in java. I have a database which already has a lot of products type number (like 'ASD01'). And I have another database, ... |
How can I get SQL query that was received
by MySQL server when it raises exception?
I have a code similar to the following:
Connection con = null;
PreparedStatement ps = null;
try {
...
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I'm trying to insert a date String from my Java program to one of my MySQL database fields that has a date type.
package events;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.Date;
/**
*
* @author mewq
*/
public ...
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I have a loop that executes a query N times through a DAO. In my case, I have an object with a property that has the value "123456789". In the first ... |
I'm using prepared statements to load my database with various small strings, and it appears java is automatically trimming them. When I attempt to load a value of " " ... |
Is there a limitation to the maximum size of string between java, jdbc, jboss and mysql?
I have a string that gets stuck to 33000 characters? Maybe a configuration somewhere?
Thank you for ... |
I am basically trying to convert a string similar to this one: "2011-11-9 18:24:12.3" into a format that I can insert into a database table claiming this particular column to be ... |
I want to encrypt/hide my connection string in my database.java class. I allready searched the internet but I didn't find anything usefull, maybe I searched the wrong keywords? Here is my ... |
vlixer Joined: 11 Oct 2009 Posts: 3 Posted: Sun Oct 11, 2009 5:57 am Post subject: cant insert string from netbean to mySql datetime im using net beans ... |
What kind of server are you running on? On a unix/linux box the column names are VERY case sensitive. Ive run itno this developing on a win2k machine then deploying to a Linux box & OOOPPPSS fudged the case. Check that again. Besides that its pretty cut & dry, spell it right, case right, it should work fine. |
Hi, After reading a lot of posts in this forum and else where I am doing the following: I want to store a huge java String as a CLOB in the MYSQL Database. I have a table defined like this: CREATE TABLE CLOBTEST (ID INTEGER NOT NULL AUTO_INCREMENT, DESCRIPTION TEXT, PRIMARY KEY (ID)) TYPE = innoDB; Next I do this: PreparedStatement ... |
Hi I have a database in Mysql where I have a column of datatype char. In jbuilder I am using queryDataSet to manupulate the records. Now whatever the length I give in mysql database for the char type colume I can only insert to the length of a record which is already inserted i.e. if in the name field I have ... |
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Hi, Can somebody suggest me how to convert a date string in this format - Mon Aug 10 16:36:00 CDT 2009 to a MySql DateTime in Java? This date is the result of Apache POI. Below is my code: if(HSSFDateUtil.isCellDateFormatted(hssfCell)) { cellData = HSSFDateUtil.getJavaDate(hssfCell.getNumericCellValue()).toString(); break; } I want to insert cellData into MySql DateTime field. Thanks. |
hi, i have built a mysql table which has field"messageid" bigint(24), i want to insert values to this field at runtime.. in my programe there is string messageid="07168383580606200700000" i parse this value to a double/long but it give numberformat exception. by configuring the messageid field as varchar(24), this can be done easily. but when it comes to any form of int ... |
Hey Guys, I have an application in which I am pulling out data from a mysql field "text" into a Java String object. On one run of the application, I encountered OutOfMemory exception. The String object could not hold this data as it was too much and the heap was out. I used java -Xmx512M MainClass . This gave my JVM ... |
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I have got a JSP that retrieves, trough a bean, data from a Mysql DBMS. The problem is that, with String data, my JSP page is unable to recognize when a row finshed and text restart from the next row . MySQL categorize it using newline characthers that consist of putting 2 Unicode block characters... how I can abilitate my JSP ... |
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Dear All, I have read dateTime field into a string from mysql database and in my java I have another dateTime in string format and in same format as the mysql date time and would like to compare both to see which one is before? Is it just by comparing the two string will solve the problem or must I do ... |