New answers tagged java
I had a similar problem. The following mapping in Java solved the problem: @Column(name = "columnName", columnDefinition="BIT") private Boolean columnVariable;
First you need to check remote connection to MySQL over terminal by using mysql - not in IDEA. At phpmyadmin go to Users and click Edit Privileges for the user that you will be use for login and on the next screen change Localhost to the Any host: See more in this answers.
You can split your file into multiple files. Try POI-HSSF and POI-XSSF - Java API To Access Microsoft Excel Format Files (Apache POI Project) Here's an example of how to read an Excel file : POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(file)); HSSFWorkbook wb = new HSSFWorkbook(fs); HSSFSheet sheet = wb.getSheetAt(0); ...
I was receiving the java.sql.SQLSyntaxErrorException: ORA-00900: invalid SQL statement because I was using the EXECUTE command rather than the CALL command. In SQL Developer either EXECUTE or CALL works. I was getting java.sql.SQLSyntaxErrorException: ORA-00933: SQL command not properly ended because of the semicolon at the end of the SQL statement. ...
No You can be sure that one of the threads will obtain the lock and hold it until the transaction ends. And while it holds the lock, no other transaction can get the lock. But there is no guarantee that the thread you started first will get the lock first, because there is no coordination of the threads from the start to the update statement. This is no ...
As you can see from the documentation you supplied, oracle places an exclusive lock on the row during an update. This means that the second transaction in thread 2 will wait until thread 1 has committed and thereby releasing the lock on the row. If you only execute the UPDATE statement oracle will handle it for you.
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