• Command-query separation (CQS) is a principle of imperative computer programming. It was devised by Bertrand Meyer as part of his pioneering work on the...
    7 KB (759 words) - 04:20, 29 February 2024
  • of a URL Web search query, a query entered by users into web search engines Command-query separation (CQS), a concept in object-oriented programming...
    1 KB (201 words) - 17:12, 3 October 2024
  • 'query') from writing to data (a 'command'). CQRS derives from Command and Query Separation (CQS), coined by Bertrand Meyer. Commands mutate state and...
    15 KB (1,824 words) - 19:59, 7 September 2024
  • for performing queries on the data within schema objects. The purpose of DQL commands is to get the schema relation based on the query passed to it. Although...
    1 KB (160 words) - 19:24, 24 August 2024
  • Structured Query Language (SQL) (pronounced S-Q-L; historically "sequel") is a domain-specific language used to manage data, especially in a relational...
    40 KB (3,765 words) - 05:51, 9 October 2024
  • the Command object relating to other objects, such as the Stream, RecordSet or Connection objects. Recordset A recordset is a group of records, and can...
    10 KB (1,459 words) - 14:11, 27 June 2024
  • to include spatial data that represents objects defined in a geometric space, along with tools for querying and analyzing such data. Most spatial databases...
    22 KB (2,037 words) - 06:47, 14 June 2024
  • Thumbnail for Data definition language
    tables, columns, data types and constraints. SQL-92 introduced a schema manipulation language and schema information tables to query schemas. These information...
    9 KB (1,002 words) - 14:53, 13 May 2024
  • many different types of database objects can exist. The following is a list of the most common types of database objects found in most relational databases...
    4 KB (351 words) - 01:30, 9 October 2024
  • caller to query the size of the object. ViewObjectEx Adds support for flicker-free drawing of transparent objects, hit-testing for objects with irregular...
    20 KB (2,753 words) - 06:35, 30 September 2024
  • form, and when you see curSales you will know that it is a Currency variable. When selecting a query from a drop-down list, you will know that a query starting...
    8 KB (480 words) - 14:09, 21 October 2020
  • Thumbnail for SQL injection
    happens when programmers assemble SQL queries either by string interpolation or by concatenating SQL commands with user supplied data. This form of injection...
    41 KB (4,237 words) - 22:52, 10 October 2024
  • CUBRID (category Official website different in Wikidata and Wikipedia)
    caching and relaying information (e.g. query results) query syntax analysis, optimization and execution plan generation Also, a local object pool enables...
    22 KB (1,941 words) - 14:28, 21 August 2024
  • Object storage (also known as object-based storage or blob storage) is a computer data storage approach that manages data as "blobs" or "objects", as opposed...
    32 KB (3,810 words) - 12:53, 5 October 2024
  • Thumbnail for Database
    Database (redirect from Query Processing)
    database objects (e.g., record types, specific records, data structures), certain computations over certain objects (e.g., query types, or specific queries),...
    75 KB (9,581 words) - 07:23, 28 September 2024
  • parameterized statement, or parameterized query is a feature where the database pre-compiles SQL code and stores the results, separating it from data...
    16 KB (1,819 words) - 12:38, 7 September 2024
  • WHOIS (section Query example)
    Society, and is documented in RFC 3912. Whois is also the name of the command-line utility on most UNIX systems used to make WHOIS protocol queries. In addition...
    51 KB (5,308 words) - 23:10, 20 September 2024
  • interpreter. Injection flaws are often found in SQL, LDAP, XPath, NoSQL queries, OS commands, XML parsers, SMTP headers, program arguments, etc. Injection flaws...
    29 KB (3,058 words) - 13:23, 14 October 2024
  • Thumbnail for Query by Example
    It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions. Many graphical front-ends...
    7 KB (764 words) - 15:33, 8 April 2024
  • Oracle. Data manipulation language (DML) statements query or manipulate data in existing schema objects. "The SQL92 standard". DML Commands in Oracle...
    5 KB (550 words) - 20:09, 14 December 2023
  • Thumbnail for PostgreSQL
    can be used to enter SQL queries directly, or execute them from a file. In addition, psql provides a number of meta-commands and various shell-like features...
    99 KB (8,564 words) - 14:08, 14 October 2024
  • Eiffel (programming language) (category Object-oriented programming languages)
    run-time objects, or "instances", a feature is an operation on these objects. There are two kinds of features: queries and commands. A query provides...
    49 KB (6,085 words) - 15:08, 21 September 2024
  • Entity Framework (category .NET object-relational mapping tools)
    ADO.NET pattern of using Connection objects to refer to the map provider, using Command objects to send the query, and returning EntityResultSets or EntitySets...
    39 KB (4,144 words) - 03:03, 16 June 2024
  • Windows NT and Windows 95 to Windows 98. Microsoft also provides a command-line interface to WMI called Windows Management Instrumentation Command-line (WMIC)...
    27 KB (3,161 words) - 21:39, 7 August 2024
  • Thumbnail for Command-line interface
    should the command be executed verbosely or quietly) and toFiles an object or objects (typically one or more files) on which the command should act....
    74 KB (8,406 words) - 07:57, 9 October 2024
  • JQuery (redirect from CssQuery)
    jQuery object that represents one or more DOM nodes. jQuery objects have methods to manipulate these nodes. These methods (sometimes called commands)...
    33 KB (2,989 words) - 20:39, 8 October 2024
  • Microsoft SQL Server (category Official website different in Wikidata and Wikipedia)
    Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft. As a database server,...
    61 KB (7,116 words) - 17:34, 5 October 2024
  • it is a component of Structured Query Language (SQL). Data Control Language is one of the logical group in SQL Commands. SQL is the standard language for...
    8 KB (981 words) - 07:25, 28 September 2024
  • Thumbnail for Microsoft Access
    object-based programming language that can reference a variety of objects including the legacy DAO (Data Access Objects), ActiveX Data Objects, and many...
    59 KB (6,615 words) - 21:45, 11 September 2024
  • Thumbnail for IBM Db2
    IBM Db2 (redirect from IBM PureQuery)
    data. pureQuery supports both Java and .NET. pureQuery provides access to data in databases and in-memory Java objects via its tools, APIs, and runtime...
    45 KB (5,313 words) - 00:53, 31 August 2024