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Tag: mysql

Connecting to MySQL database using Java in command prompt

Since I don’t have netbeans right now, I am trying to connect to MySQL database from my Java code through command prompt. But it it is not taking the mysql-coonectivity.jar file. Does anyone know any way to run my program??? Please help. Answer Try executing the program as it is windows OS In case you don’t have the mysql-connector-java-[version].jar get

JPA @Version field doesn’t get incremented

I’m new to JPA and Hibernate and I have a problem with optimistic locking. I have a class which has an @Version annotated field. When I update the Entity represented by this class, the version counter does not increase. Here is my code: The class: and here is the main method: and here is what the console says: Can somebody

MySQL select and update table at same time

I want to select a value one by one from my MySQL table and using this value get some value from different table. After getting the value I want to update my same table with this value. Can I select and update the table at the same time? I want to use Java to loop the table selecting values one

Reading data from mysql database using java

Firstly, I’m reading the product name and number of products from user using jTextFields. For that product I read the product id and price from database using sql query. But in the below code I display the product price in a jtextField but while running tha file I get query executed successfully but I’m not getting anything in the jtextField.

Unable to load jdbc driver eclipse

I get the following error while trying to load MySQL Driver: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java….

Can not issue data manipulation statements with executeQuery

I’m getting an error when im trying to run my gui to inset data into a table, the error being Can not issue data manipulation statements with executeQuery(). The goal of this gui is to get the user to input information into the text area and then click submit and this information is uploaded to the database. error : java.sql.SQLException:

MySQL: Unknown system variable ‘tx_read_only’

I’m working on a Java Swing-based application+ Hibernate+Mysql+Spring. When I test CRUD operations, I don’t have problems with read, but in insert statements system shows the message: I have the last version of MySQl Hibernate 4 Java annotations Can you tell me which is the problem to solve now? Answer Just throwing rocks to the darkness, but one possibility could

unknown database in jdbc

I am using JDBC and new to it. but I keep getting this runtime exception: Here is the gave code how do I get this code to work? I am only a beginner with JDBC…. for the above code; PASS = “passowrd”, USER = “root” I had a problem with port which it was fixed through this site thanks a

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