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  2. Language Integrated Query - Wikipedia

    en.wikipedia.org/wiki/Language_Integrated_Query

    The Table<T> encapsulates the data in the table, and implements the IQueryable<T> interface, so that the expression tree is created, which the LINQ to SQL provider handles. It converts the query into T-SQL and retrieves the result set from the database server. Since the processing happens at the database server, local methods, which are not ...

  3. Data definition language - Wikipedia

    en.wikipedia.org/wiki/Data_definition_language

    Saving a ddl file in Oracle SQL Developer. In the context of SQL, data definition or data description language (DDL) is a syntax for creating and modifying database objects such as tables, indices, and users. DDL statements are similar to a computer programming language for defining data structures, especially database schemas.

  4. Dataphor - Wikipedia

    en.wikipedia.org/wiki/Dataphor

    The Dataphor Server has several components including: Call-level interface - session management, process scheduler, etc. Data Dictionary Catalog - containing all of the Tables, Views, Operators, Constraints, References, and other schema objects. D4 Scanner, Parser, Emitter, and Compiler. D4 Runtime - including relational, and scalar processing

  5. SQL CLR - Wikipedia

    en.wikipedia.org/wiki/SQL_CLR

    User-defined types (UDTs) that allow users to create simple or complex data types which can be serialized and deserialized within the database. The SQL CLR relies on the creation, deployment, and registration of CLI assemblies, which are physically stored in managed code dynamic load libraries (DLLs). These assemblies may contain CLI namespaces ...

  6. Data control language - Wikipedia

    en.wikipedia.org/wiki/Data_Control_Language

    Analyze information on a table, index, or cluster; Establish auditing options; Add comments to the data dictionary; So Oracle Database DDL commands include the Grant and revoke privileges which is actually part of Data control Language in Microsoft SQL server. Syntax for grant and revoke in Oracle Database:

  7. Data access layer - Wikipedia

    en.wikipedia.org/wiki/Data_access_layer

    So, for example, instead of making a query into a database to fetch all users from several tables, the application can call a single method from a DAL which abstracts those database calls. Applications using a data access layer can be either database server dependent or independent.

  8. Comparison of data modeling tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    Update database and/or update model ER/Studio Repository and Team Server (formerly Portal/CONNECT) for web based publishing collaboration and model management, with Business Glossary as standard. MagicDraw: Conceptual, Logical & Physical + MDA Transform of Logical to Physical IDEF1X, UML DDL, Information Engineering & ERD Yes Yes

  9. Data query language - Wikipedia

    en.wikipedia.org/wiki/Data_query_language

    These sub-languages are mainly categorized into four categories: a data query language (DQL), a data definition language (DDL), a data control language (DCL), and a data manipulation language (DML). Sometimes a transaction control language (TCL) [1] is argued to be part of the sub-language set as well.