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  2. 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.

  3. 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.

  4. DDL - Wikipedia

    en.wikipedia.org/wiki/DDL

    Data definition language or data description language, relating to databases; Description Definition Language, part of the MPEG-7 standard; Device Description Language, related to field devices for process and factory automation; Digital data logger, a type of data logger, an electronic device that records data over time or in relation to location

  5. DLL hell - Wikipedia

    en.wikipedia.org/wiki/DLL_Hell

    DLL hell is an umbrella term for the complications that arise when one works with dynamic-link libraries (DLLs) used with older Microsoft Windows operating systems, [1] particularly legacy 16-bit editions, which all run in a single memory space.

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    HCI—Human—Computer Interaction; HD—High Density; HDD—Hard Disk Drive; HCL—Hardware Compatibility List; HD DVD—High Definition DVD; HDL—Hardware Description Language; HDMI—High-Definition Multimedia Interface; HECI—Host Embedded Controller Interface; HF—High Frequency; HFS—Hierarchical File System; HHD—Hybrid Hard Drive

  7. Dynamic-link library - Wikipedia

    en.wikipedia.org/wiki/Dynamic-link_library

    The file format of a DLL is the same as for an executable (a.k.a. EXE), but different versions of Windows use different formats. 32-bit and 64-bit Windows versions use Portable Executable (PE), and 16-bit Windows versions use New Executable (NE).

  8. ABAP - Wikipedia

    en.wikipedia.org/wiki/ABAP

    The data models are defined using the data definition language (DDL) and data control language (DCL) provided in the ABAP CDS in the ABAP CDS syntax. The objects defined using these languages are integrated into ABAP Dictionary and managed here too. CDS source code can only be programmed in the Eclipse-based ABAP Development Tools (ADT).

  9. PL/SQL - Wikipedia

    en.wikipedia.org/wiki/PL/SQL

    If the trigger is created on a table or view, then the triggering event is composed of DML statements, and the trigger is called a DML trigger. If the trigger is created on a schema or the database, then the triggering event is composed of either DDL or database operation statements, and the trigger is called a system trigger.