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...

'query') from writing to data (a 'command'). CQRS derives from Command and Query Separation (CQS), coined by Bertrand Meyer. Commands mutate state and...

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...

NoSQL, OS command, and LDAP injection. These vulnerabilities arise when an application processes untrusted data as part of a command or query, potentially...

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...

tables, columns, data types and constraints. SQL-92 introduced a schema manipulation language and schema information tables to query schemas. These information...

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...

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...

to include spatial data that represents objects defined in a geometric space, along with tools for querying and analyzing such data. Most spatial databases...

caller to query the size of the object. ViewObjectEx Adds support for flicker-free drawing of transparent objects, hit-testing for objects with irregular...

Oracle. Data manipulation language (DML) statements query or manipulate data in existing schema objects. "The SQL92 standard". DML Commands in Oracle...

Server, and other methods of retrieving data from other sources. A DataReader is usually accompanied by a Command object that contains the query, optionally...

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...

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...

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...

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...

Structured Query Language (SQL) (pronounced /ˌɛsˌkjuˈɛl/ S-Q-L; or alternatively as /ˈsiːkwəl/ "sequel") is a domain-specific language used to manage...

Query by Example (QBE) is a database query language for relational databases. Query by Example was devised by Moshé M. Zloof at IBM Research during the...

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...

statement, (not to be confused with parameterized query) is a feature where the database pre-compiles SQL code and stores the results, separating it from data...

database objects (e.g., record types, specific records, data structures), certain computations over certain objects (e.g., query types, or specific queries),...

object-based programming language that can reference a variety of objects including the legacy DAO (Data Access Objects), ActiveX Data Objects, and many...

classes of commands: Session management, query, and object transform. These commands can then be mapped onto objects, which specifies their exact functionality...

Structured Query Language (SQL, often pronounced "sequel"). As a database server, it is a software product with the primary function of storing and retrieving...

ways: In a persistent programming language: The query language is fully integrated with the host language and both share the same type system. Any format...

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...

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....

services like Structured Query Language (SQL) databases, Extensible Markup Language (XML) parsers, operating system commands, Simple Mail Transfer Protocol...

set of tags and apply those tags to files, directories and other objects (devices, pipes, ...). The user can then search all the objects that match a...

wait for query signal */ INPUT query_signal(DCL input_data); DCL db_query db_query_type; /* Local variable, stored on stack. */ TASK query_process :=...