Rui Miguel Feio
  • Home
  • Articles
  • Speaker
  • Gallery
  • Resources
  • About Me
  • Disclaimer
  • Contact Me
Recent Articles
  • [ 15th July 2025 ] GSUK Security Working Group Meeting – 25th September 2025 Tech - Conferences
  • [ 10th February 2025 ] GSE UK Security Working Group – Next Meeting on Thursday, 27th February 2025 Tech - Conferences
  • [ 27th January 2025 ] GSE UK Security Working Group – Meeting on 27 Feb 2025 Tech - Conferences
  • [ 11th October 2024 ] GSE UK Conference 2024 – 4th to 7th November Tech - Conferences
  • [ 17th January 2024 ] Unveiling Mainframe Society: Connecting Mainframers Worldwide Business
Home2009

Year: 2009

Command keyboard key
MVS

How to check who’s allocating a device unit

16th August 2009 Rui Miguel Feio

Let’s say for instance that you have a DASD volume (TSTCT1) and you would like to know who’s using it (allocating it). In order to do this we first need to know the unit address of said device: /D U,VOL=volume_name In our example: /D U,VOL=TSTCT1 Result: RESPONSE=TST1 IEE457I 09.53.10 UNIT […]

wordpress
WordPress

How to move a WordPress site to a different Server or URL

8th August 2009 Rui Miguel Feio

Moving a WordPress site from one server to another or to a different Web address (URL) may seem a daunting task and something to stay away from. The truth is that it is quite simple! Last month I was asked to help moving a WordPress (WP) blog from one server […]

MySQL
MySQL

How to select the First row from a MySQL table

6th July 2009 Rui Miguel Feio

You can use the following command to get the first row from a MySQL table: SELECT * FROM table LIMIT 1 Explanation: table – table name   By limiting the returns to 1 (LIMIT 1) we get the first row from the table. Example: SELECT * FROM tusers LIMIT 1

MySQL
MySQL

How to select the Last row from a MySQL table

6th July 2009 Rui Miguel Feio

You can use the following command to get the last row from a MySQL table: SELECT * FROM table ORDER BY field DESC LIMIT 1 Explanation: table – table name field – table field This command orders the table by DESCENDING order and limits the number of rows returned to […]

MySQL
MySQL

Select random rows from a MySQL table

6th July 2009 Rui Miguel Feio

If you ever come across the need of randomly select rows from a MySQL table: SELECT * FROM table WHERE field1 = value ORDER BY RAND() LIMIT x Explanation: table – table name field1 – table field value – value you want field1 to be x – number of rows […]

Posts pagination

« 1 … 3 4 5 … 7 »

Archives

Categories

  • Home
  • About Me
  • Sitemap
  • Contact Me

Copyright © 2024 Rui Miguel Feio