T4CConnection@55088667 marked as broken because of SQLSTATE (08006), ErrorCode (17002) java.sql.SQLRecoverableException: IO Error: Connection timed out #1860 ...

This happened because the numbers were saved with comma instead of dot for decimal separator. I know that this is not a normal and "valid" operation (multiplying numerics with varchars), but why it ...

Oracle SQL is an Integrated Development Environment that was created for working on Oracle Databases with SQL. This product is developed and provided by Oracle corporation for free and it is based on ...