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Cloud data warehouses (DWs) enable organizations to store massive amounts of data across cloud servers and access them from anywhere...
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Snowflake is a data management platform that offers data management and data warehouse services with unique capabilities to handle data....
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Qualitative data is any set of data, including text, images, and video, that expresses the subjective and interpretive qualities of...
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An array is a data structure in computer programming that organizes data. Arrays hold elements with the same data type,...
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A petabyte is 1015 bytes of digital information. The unit symbol for the petabyte is PB. It is a measure...
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The codename for a Microsoft project that will provide support for mixing in-memory database tables with more traditional on-disk tables...
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A relational database system that supports both in-memory and on-disk storage. Hybrid databases are typically deployed to retain the high...
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A database that uses a system’s main memory for data storage rather than the disk-based storage typically utilized by traditional...
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The phrase unstructured data usually refers to information that doesn’t reside in a traditional row-column database. As you might expect,...
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Structured data refers to any data that resides in a fixed field within a record or file. This includes data...
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An MPEG compression artifact that blurs the outline of sharp objects. The Gibbs Effect is commonly seen in end-video credits...
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A proprietary video codec developed by On2 Technologies that used in Adobe Flash Player 8 and newer versions. See also...
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A high-quality video production codec that works on both Mac and PCs and can scale from standard-definition to 4k film...
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A family of fast, lossless QuickTime and AVI codecs developed by BitJazz, SheerVideo is a production-based codec that is popular...
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In Microsoft operating systems including Windows NT, Windows 2000 Server, Windows XP and Windows Server 2003, the IRPStackSize is a...
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A lossy QuickTime codec that offers a higher quality than the previously used Cinepak codec. The Sorenson compressor is frequently...
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A compression algorithm applied to a single frame of video independently, where the video image is compressed much like a...
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A type of compression used by some codecs that assumes frames beside each other look similar. The first frame in...
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A lossless encoding process where a value or range of values is converted into smaller values or ranges by using...
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The 8×8 blocks of numbers used by the encoder to perform the best optimization for the appropriate video format. Quantization...
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Abbreviated as RS, Reed-Solomon is an algorithm for Forward Error Correction (FEC) that was introduced by Irving S. Reed and...
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Entropy coding is a type of lossless coding to compress digital data by representing frequently occurring patterns with few bits...
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The audio sampling rate is number of samples per second that are used to digitize a particular sound. Most digital...
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The process of converting, or digitizing, the almost infinitely variable amplitude of an analog waveform to one of a finite...
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Captured video that has not been altered by the capture device or software to compress the data. Uncompressed video streams...
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Also called reference data master data is any information that is considered to play a key role in the core...
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Most often used in databases and file systems, B-trees are tree structures (a type of data structure) that are optimized...
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(1) Switching a bit from 0 to 1 or 1 to 0.(2) Same as bit manipulation which is processing individual...
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ABO (Adaptive Binary Optimization) uses the high correlation found in digital content signals and efficiently codes these correlations using a patent-pending algorithm.
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A method of organizing stored data in a computer s memory or on a storage medium based on the logical...
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A comprehensive standard framework for networked digital multimedia designed by the Moving Picture Experts Group. MPEG-21 includes an REL and...
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A type of file that contains other files that have been compressed (typically through a ZIP program) for more efficient...
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Data modeling (sometimes spelled data modelling) is the analysis of data objects and their relationships to other data objects. Data...
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Also called a vector processor. A microprocessor that executes one instruction at a time but on an array or table...
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(v) In information technology, to move from summary information to detailed data by focusing in on something. To drill down...
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Short for Advanced Audio Coding, one of the audio compression formats defined by the MPEG-2 standard. AAC is sometimes referred...
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A mathematical function used in compressing images. Images compressed using wavelets are smaller than JPEG images and can be transferred...
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The lossy compression of an image by converting it into a set of mathematical expressions. See also wavelet.
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A graphics and video lossy compression algorithm standard that is based on MPEG-1 and MPEG-2 and Apple QuickTime technology. Wavelet-based...
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The process of gathering data and transforming it into a standard format before it is transmitted over a network so...
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An octet is 8 bits. It is equivalent to a byte, as long as the byte is also 8 bits....
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Data about data. Meta data describes how and when and by whom a particular set of data was collected, and...
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Short for Java Archive, a file format used to bundle all components required by a Java applet. JAR files simplify...
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2 to the 70th power bytes, which is approximately 10 to the 21st power (1,000,000,000,000,000,000,000) bytes. A zettabyte is equal...
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2 to the 80th power bytes, which is approximately 10 to the 24th power (1,000,000,000,000,000,000,000,000) bytes. A yottabyte is equal...
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(1) Short for tape archive, a UNIX utility that combines a group of files into a single file. The resulting...
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A special type of tree structure in which each node has at most two leaves. Binary tree are often used...
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(1) In programming, an area of memory reserved for data that is created at runtime — that is, when the...
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(1) 2 to the 60th power (1,152,921,504,606,846,976) bytes. An exabyte is equal to 1,024 petabytes. (2) When capitalized, the name...
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Short for Discrete Cosine Transform, a technique for representing waveform data as a weighted sum of cosines. DCT is commonly...
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The adjectives big-endian and little-endian refer to which bytes are most significant in multi-byte data types and describe the order...
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MP3 is the name of the file extension and also the common name of the type of file for MPEG-1...
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Half of an eight-bit byte – four bits. Nibbles are important in hexadecimal and BCDrepresentations. The term is sometimes spelled...
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Short for Lempel-Zif-Welch, a popular data compression technique developed in 1977 by J. Ziv and A Lempel, and later refined...
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Oracle is a global technology company specializing in database software, enterprise software, hardware, and cloud applications and infrastructure. Known for...
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The data warehouse is an architectural system used to collect and manage data from various sources to perform queries and...
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Short for kilobyte. When used to describe data storage, KB usually represents 1,024 bytes. When used to describe data transfer...
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(adj.) Comma-delimited is a type of data format in which each piece of data is separated by a comma. This...
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)A type of data structure in which each element is attached to one or more elements directly beneath it. The...
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(1) Short for compressor/decompressor, a codec is any technology for compressing and decompressing data. Codecs can be implemented in software,...
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Unpack means to convert a packed file into its original form. A packed file is a file that has been...
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A character string is a series of characters manipulated as a group. A character string differs from a name in...
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(1) In computer programming, a one-dimensional array. A vector can also mean a pointer. (2) In computer graphics, a line...
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A byte is a unit of digital information used in computer processing and storage. A standard byte is made of...
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(1) In programming, a special type of data structure in which items are removed in the reverse order from that...
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Refers to data compression techniques in which some amount of data is lost. Lossy compression technologies attempt to eliminate redundant...
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Refers to data compression techniques in which no data is lost. The PKZIP compression technology is an example of lossless...
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Short for binary digit, a bit is a unit of measuring data. The term was first used by John Tukey,...
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(v.) To display data in an ordered format. For example, the LIST command in BASIC displays lines of a program....
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In decimal systems, kilo stands for 1,000, but in binary systems, a kilo is 1,024 (2 to the 10th power)....
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(1) A two-dimensional array; that is, an array of rows and columns. (2) The background area of color display.
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Storing data in a format that requires less space than usual. Data compression is particularly useful in communications because it...
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(1) When spelled MB, short for megabyte (1,000,000 or 1,048,576 bytes, depending on the context). (2) When spelled Mb, short...
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Data structure refers to a programmatic scheme for organizing related pieces of information. It determines the way a computer program...
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(1) Sampling is the key technique used to digitize analog information. For example, music CDs are produced by sampling live...
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In decimal systems, the prefix mega means one million, but in binary systems, mega stands for 2 to the 20th...
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A special character that can have many different functions. It is often used to abort the current command and return...
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Items at the very bottom of a hierarchical tree structure. In hierarchical file systems, files are leaves because they can...
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(1) When decimal notation is used, giga stands for 10 to the 9th power. For example, a gigavolt is 1,000,000,000...
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One of the most widely used file compression methods. PKZIP was developed by PKWARE, Inc. in 1989 and distributed as...
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(1) When used to describe data storage, 1,048,576 (2 to the 20th power) bytes. Megabyte is frequently abbreviated as M...
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A packed file is a file in a compressed format. Many operating systems and applications contain commands that enable you...
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Abbreviation of Microcom Networking Protocol, a communications protocol developed by Microcom, Inc., that is used by many high-speed modems. MNP...
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Short for Moving Picture Experts Group, and pronounced m-peg, is a working group of the ISO. The term also refers...
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(n.) The state or setting of a program or device. For example, when a word processor is in insert mode,...