Alan Freedman -- The Computer Language Company - Computer Desktop Encyclopedia
Computer Desktop Encyclopedia
Longest-Running Tech Reference on the Planet

A CDE Definition

You'll love The Computer Desktop Encyclopedia (CDE) for Tech Term of the Day (TTOD)

LOOK UP ANOTHER TERM


lock manager

Software that temporarily prevents files and records from being used by another user or operation. See file and record locking.



file and record locking

A first-come, first-served technique for managing data in a multiuser environment. The first user to access the file or data record prevents, or locks out, other users from accessing it. After the file or record is updated, it is unlocked and available. File and record locking is an essential part of every database management system (DBMS), document management system and any other system that allows data to be updated by multiple users or applications. See also lock down.



Personal Use Only

Before/After Your Search Term
BeforeAfter
location-based serviceslock screen
location-based social networkinglock step
location brokerlock stepping
location independent professionallock up
location poisoninglocked down
location sensinglocked phone
location serviceslocked up
location sharinglocker
location transparencylocking
lock downlocking down

Terms By Topic
Click any of the following categories for a list of fundamental terms.
Computer Words You Gotta KnowSystem design
Job categoriesUnix/Linux
Interesting stuffPersonal computers
InternetIndustrial Automation/Process Control
Communications & networkingAssociations/Standards organizations
HistoryDesktop publishing
Audio/VideoGraphics
MainframesSecurity
ProgrammingHealthcare IT
System design