• How can I select random rows in PostgreSQL?

    I'm looking to get a random selection of rows from PostgreSQL. I've already tried this: select * from table where random() < 0.01; But one of my friends told me to use this: select * from table order by random() limit 1000; My table has over 200 million rows so I need it to be fast. Which way...

    ITKE345,950 pointsBadges:
  • Metrics for customer service functions and “rule of thumb” trigger points

    At what point(s) (e.g., metrics, KPI) should a small B2B software provider look to automate their customer service functions?

    Petiesmom10 pointsBadges:
  • AIX audit to syslog

    Can anybody assist me on how to setup auditing and configure it (AIX) to send logs to syslog. Thank you

    Teltayeb10 pointsBadges:
  • I Put a HEX on youuuuuuuu……

    Does anyone have any suggestions as far as reference material that would help me understand EBCDIC Character sets, Hex, Binary, and how you can tie them into CL's & RPGLE's, and whatnot?

    Eric Witham690 pointsBadges:
  • Exchange server sync to data center moving emails from client to email server

    Quick question, we are looking for the best way to mitigate data synchronization over our WAN after a large Exchange migration. For example, we have just taken a 250 user company with 450gb of mail into our system. With this project it was all or nothing, they needed access to all mail from day. So...

    ITKE345,950 pointsBadges:
  • Computer continually reboots

    I reformatted a hard drive and reinstalled XP Pro; I was able to install Office and antivirus. But then for no apparent reason, the computer reboots immediately after login. I have no idea whether this is a hardware or a software problem. Does anyone have any insights? Thanks

    Britinga425 pointsBadges:
  • What is earthing? What is a circuit breaker?

    Could somebody tell me what is earthing and circuit breakers (in terms of electricity technology)?

    KAMUGISHA5 pointsBadges:
  • Calendar entries in Novell Groupwise

    How to create calendar entries with recurrence in novell groupwise.

    Sanchaita15 pointsBadges:
  • Converter Solaris 8 p2v VMWare ESX

    Hi everybody! I wish to convert a fiscal Solaris 8 (sparc) machine to a virtual machine, my infrastructure is an ESX with virtual center (x86), is there. If exist a procedure to convert a physical machine with Solaris 8? Help me please.

    Hechicero15 pointsBadges:
  • Generic host for win32 process

    Hi all, On our network, I do not know whether the problem is anti-virus or Microsoft updates. We receive generic host process win32 message every day we logon to domain. Can someone help with this problem. We are using Esset Nod32 anti-virus.

    Owolab135 pointsBadges:
  • How can I reset a sequence in Oracle?

    Does anyone know how to reset a sequence in Oracle? I know that in PostgreSQL, I used this: ALTER SEQUENCE serial RESTART WITH 0; Is there anything like this in Oracle?

    ITKE345,950 pointsBadges:
  • How to submit a JCL through VB Script?

    i have a jcl to submit into mainframe without logging into mainframe. I have write a script but unable to submit the jcl into mainframe from that script. Can anyone please help me out? I really appricate your write.

    Ankitgupta5 pointsBadges:
  • Earning Badges Pays Off – Literally!

    We told you that payoffs were coming, and they're finally here! To kick off this exciting new phase of the IT Knowledge Exchange Badge Program, we're doing a site-wide reward for members who have been active within the past 6 months and have earned at least one badge: $10 Amazon.com gift card to...

    MelanieYarbrough6,345 pointsBadges:
  • Bandwidth on Transmission facility

    If I have a OC3 (155 MB/s) facility, pracitically do I have 155MB/s of bandwidth on the send and receive side simulatneously. So in short my question is this: Is the total BW available=2*155 MB less whatever overhead there may be?

    Ceegate5 pointsBadges:
  • External USB hard drive keeps using the same drive letter as a mapped natwork share

    I have an XP Professional computer that I use to backup the contents of a network share (just for redundancy's sake). The problem I keep having is that when I connect the hard drive, it keeps assuming the drive letter of a network share that already is being used. This is a problem as I want to run...

    Ericfoulds5 pointsBadges:
  • Fast File Sharing

    Ok heres what i got..I have a vpn and an ftp server. the primary use of my vpn and my ftp server is syncronization of large "documents". I need a way that we can quickly transfer the files, search for documents based on name(before synchronization), have auto sync when applicable. i tried office...

    clpetty20 pointsBadges:
  • Error message when installing Windows Server 2008 onto Dell PowerEdge 2800 x64bit

    I'm trying to install 2008 x64bit on a poweredge 2800. RAID 1 is configure. When W2K8 installation cd ask where to install I select load driver, select the right PERC 4e, format the drive and click next, I get and error saying unable to find drive for installation...Can you help!

    Nathy065 pointsBadges:
  • How do I get practical AIX training?

    How would I be able to get AIX practical training?

    dayorain5 pointsBadges:
  • How do I make my AS/400 / iSeries “internet routeable”

    I need to make my AS/400 visible to an FTP server?

    Lacag100 pointsBadges:
  • Collisions in network cable

    I still get collisions on one of my network cables even when I have a switch. Is this to do with the cable I'm using? What can I do?

    NetworkingATE1,545 pointsBadges:

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