Tech Rescue

Hector Perez

How to solve ORA-01017: Invalid username/password; logon denied

I was trying to connect to a database today when I found this: I think there could be a lot of reasons for this, but the easiest approach is to reset the user’s password, that is if the user exists of course. Here is the solution: 1. Connect as

How to solve ORA-28001: The password has expired

The other day I was happily opening SQL Developer when I found this horrible thing. Here is how to solve it. 1. Connect as sysdba to the database. C:UsersSiry>sqlplus / as sysdba 2. Run the query to set the password’s life time to unlimited. SQL> ALTER PROFILE DEFAULT

How to execute several .SQL files from console

Yesterday I needed to run an older version of a project just to make a few changes, for that I needed to update my old code for that project and run all the scripts (.SQL files) to update the database. A colleague gave me a line of code to get

How to kill all processes with the same name in Windows 7?

Well, today at work I was using IBM Rational Synergy to sync my files and be able to compare them in order to determine which ones to keep / discard. The comparing tool I’m using is KDiff3, which in my opinion it’s ok, but when you select a bunch

How to grant access to remote PC in MySQL?

The problem we were facing was that a colleague was trying to access to a MySQL database in my computer, we were both in the same network, he was being asked for password, so for that, here is how to grant root access to another IP to your local database.

How to execute .SQL files from console

Very easy, just log in into sqlplus and type as follows if you are in the same path as your file: SQL > @file_name.sql If you are not in the same path as your file, you should type as follows: SQL > @/path/to/file_name.sql What if I

How to create Oracle users in Oracle 11g XE

Here is how it’s done. 1. Log on as SYSTEM user C:Usersdelta1>sqlplus system SQL*Plus: Release 11.2.0.2.0 Production on Thu Feb 20 12:01:00 2014 Copyright (c) 1982, 2010, Oracle. All rights reserved. Enter password: Connected to: Oracle Database 11g Express Edition