- data algebra
- 数据代数
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
data algebra
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Algebra of systems — (AoS) is an executable systems modeling framework for system synthesis and evaluation [Koo 2007a] . It can be used to automate complex model reasoning tasks for system design projects. AoS provides a formal structure for reasoning about elements… … Wikipedia
Data redundancy — occurs in database systems which have a field that is repeated in two or more tables. For instance, in case when customer data is duplicated and attached with each product bought then redundancy of data is a known source of inconsistency, since… … Wikipedia
Data model — Overview of data modeling context: A data model provides the details of information to be stored, and is of primary use when the final product is the generation of computer software code for an application or the preparation of a functional… … Wikipedia
algebra, linear — Introduction mathematical discipline that deals with vectors (vector) and matrices (matrix) and, more generally, with vector spaces (vector space) and linear transformations. Unlike other parts of mathematics that are frequently invigorated … Universalium
Algebra of Communicating Processes — The Algebra of Communicating Processes (ACP) is an algebraic approach to reasoning about concurrent systems. It is a member of the family of mathematical theories of concurrency known as process algebras or process calculi. ACP was initially… … Wikipedia
algebra, modern — ▪ mathematics Introduction also called abstract algebra branch of mathematics concerned with the general algebraic structure of various sets (such as real numbers (real number), complex numbers (complex number), matrices (matrix), and… … Universalium
algebra — àl·ge·bra s.f. 1. TS mat. parte della matematica che studia l estensione e la generalizzazione dei procedimenti dell aritmetica ai numeri e alle quantità variabili 2. CO fig., cosa complicata, astrusa: non cercare di spiegarmi, per me questa è… … Dizionario italiano
Data mining — Not to be confused with analytics, information extraction, or data analysis. Data mining (the analysis step of the knowledge discovery in databases process,[1] or KDD), a relatively young and interdisciplinary field of computer science[2][3] is… … Wikipedia
Data mart — A data mart (DM) is the access layer of the data warehouse (DW) environment that is used to get data out to the users. The DM is a subset of the DW, usually oriented to a specific business line or team. Contents 1 Terminology 2 Design schemas 3… … Wikipedia
Data Manipulation Language — A data manipulation language (DML) is a family of syntax elements similar to a computer programming language used for inserting, deleting and updating data in a database. Performing read only queries of data is sometimes also considered a… … Wikipedia
Data Definition Language — A data definition language or data description language (DDL) is a syntax similar to a computer programming language for defining data structures, especially database schemas. Contents 1 History 2 SQL 2.1 CREATE statements … Wikipedia
