Database testing involves the retrieved values from the database by the web or desktop application. Data in the User Interface should be matched as per the records are stored in the database.

The capacity of software to function with any vendor Database Management System (DBMS). Database-agnostic software can be useful in an environment where data must be sourced from heterogeneous databases. 

Any removable computer component, approximately the size of a credit card, that contains data, or that contains nonvolatile memory to which data can be written and from which data can be recovered. The term is a synonym for smart card.

A self-contained, independent entity of data carrying sufficient information to be routed from the source to the destination computer without reliance on earlier exchanges between this source and destination computer and the transporting network.

Datasource is a name given to a Database connection set up form a server, which can be commonly used while creating a query to the database. The Datasource name can be different from the database filename.

DataStage is an ETL tool and part of the IBM Information Platforms Solutions suite and IBM InfoSphere. It uses a graphical notation to construct data integration solutions and is available in various versions such as the Server Edition, the Enterprise Edition, and the MVS Edition.

A narrowband wireless network that began as a joint venture between Motorola and IBM for use with two-way pagers and personal digital assistants (PDAs). The network is currently used by some BlackBerry and eLink handheld communications devices. 

A function that returns the count (signed integer) of the specified datepart boundaries crossed between the specified startdate and enddate.

Represents an instant in time, typically expressed as a date and time of day.

In MySQL, the DATE_SUB() function subtracts a specified time interval from a date.

A modular piece of code created to update systems, devices and programs for compatibility with new start and end dates for Daylight Saving Time (DST) in the United States, Canada and Bermuda.

A family of relational database management system (RDBMS) products from IBM that serve a number of different operating system platforms. 

A data format and model for exchanging information that describes a data center environment. DCML is intended to provide a common description of a data center. It allows an enterprise to describe the state of the data center environment. 

A set of Microsoft concepts and program interfaces in which client program objects can request services from server program objects on other computers in a network. DCOM is based on the Component Object Model (COM).

An attack in which many computers (distributed globally) and many internet connections are used to overload the target server by sending hundreds and thousands of requests, forcing it to shut down.

DDoS mitigation is a technique for resisting distributed denial of service (DDoS) attacks on networks attached to the Internet by passing network traffic addressed to the attacked network through high-capacity networks with "traffic scrubbing" filters.