| English | German |
| action type | Aktionsart (A classification that describes what an action does) |
| action type | Aktivitätstyp (A classification that describes what an action does) |
| alias type | Aliastyp (A user-defined data type based on one of the SQL Server system data types that can specify a certain data type, length, and nullability) |
| allotment type | Zuteilungstyp (A unit of service, such as a case or a range of coverage dates, specified in a service contract that indicates how much access a customer has to customer service) |
| anonymous type | anonymer Typ (A class type whose name is generated by the compiler and that inherits directly from Object. Members of an anonymous type are properties that are inferred from the object initializer that creates instances of the type) |
| Approval Type | Genehmigungsart (The UI field that specifies the role of a document approver) |
| artifact type | Artefakttyp (A type of data that a tool exposes publicly so that other tools can refer to it. Each artifact must have an artifact type. Each artifact must be identified by a unique and immutable artifact identifier) |
| attribute type | Attributtyp (The type of information contained by an attribute, such as quarters or months in a time dimension, which may enable specific treatment by the server and client applications) |
| audio type | Audiotyp (One of the encoding formats for audio files, for instance Advanced Audio Coding (MP4), AIFF and WAV) |
| backing type | Unterstützungstyp (A type in a given type system that defines the object that is created when parsing a XAML object element or instantiating a XAML type. In XAML for WPF, a backing type is a CLR type) |
| base data type | Basisdatentyp (Any system-supplied data type, for example, char , varchar , binary , and varbinary . User-defined data types are derived from base data types) |
| base type | Basistyp (A parent type or super-type in the Entity Data Model from which derived types inherit some of their properties) |
| blittable type | für Blitvorgänge geeigneter Typ (A data type that has a unique characteristic and an identical presentation in memory for both managed and unmanaged environments. It can be directly shared) |
| Boolean data type | boolescher Datentyp, Boolean-Datentyp (A data type with only two passable values, True (-1) or False (0). Boolean variables are stored as 16-bit (2-byte) numbers) |
| build type | Buildtyp (A template used to manage the conditions under which a single solution or a set of solutions will be built) |
| business type | Unternehmensform (The kind of business organization or sector (such as a public company, a partnership, a private corporation, and so on)) |
| Campaign Type | Kampagnentyp (The field in a Campaign form in which you can select the type of campaign that is being run. Possible types are Advertisement, Direct Marketing, Event, and Other) |
| Case Type | Anfragetyp (A sub-category of customer service issues that indicates whether an issue is a question, problem, or request) |
| change type attribute | Änderungstypattribut (An attribute applicable to text file and database management agents that denotes the type of change (that is, add, modify, or delete) to be made to a connector space object) |
| char data type | Char-Datentyp (A character data type that holds a maximum of 8,000 characters) |
| Click and Type pointer shape | Zeigerform "Klicken und Eingeben" (A visual cue to indicate which formatting will be applied when you double-click: a left-aligned, centered, or right-aligned tab stop; a left indent; or left or right text wrapping) |
| client type | Clienttyp (Information that determines how a cache client functions and impacts the performance of your application. There are two client types: a simple client type and a routing client type) |
| closed generic type | geschlossener generischer Typ (A constructed generic type that has no unspecified generic type parameters, either of its own or of any enclosing types or methods. Closed generic types can be instantiated) |
| CLR user-defined type | CLR-benutzerdefinierter Typ (A user-defined data type created against a SQL Server assembly whose implementation is defined in an assembly created in the .NET Framework common language runtime (CLR)) |
| collector type | Sammlertyp (A logical wrapper around the SQL Server Integration Services packages that provide the actual mechanism for collecting data and uploading it to the management data warehouse) |
| common type system | allgemeines Typsystem (The specification that determines how the common language runtime defines, uses, and manages types) |
| complex type | komplexer Typ (A composite type that represents a non-scalar property of an entity type, which enables scalar properties to be organized within entities) |
| composite data type | zusammengesetzter Datentyp (A data type where the sum of the members is larger than all individual members taken together, such as a structure or an array) |
| connection type | Verbindungstyp (The type of Web Part connection. For example, the Provide Row To connection type passes a row of data from one Web Part to another Web Part) |
| constructed generic type | konstruierter generischer Typ (A generic type whose generic type parameters have been specified. A constructed type or method can be an open generic type if some of its type arguments are type parameters of enclosing types or methods, or a closed generic type if all of its type arguments are real types) |
| content type | Inhaltstyp (A group of reusable settings that describes the shared attributes and behaviors of a list item, a document, or a folder) |
| conversion type | Umrechnungstyp (The type of currency conversion used to convert the buyer currency to the base currency for the Web site, or to convert the supplier currency to the base currency in a multicurrency transaction. The conversion type can be either a fixed (static) rate, or a spot (dynamic) rate) |
| conversion type | Abschlusstyp (The kind of conversion based on the action desired from the user (e.g. purchase, subscription)) |
| correlation type | Korrelationstyp (A set of message properties that uniquely identifies a business process and which is used to correlate messages with orchestration instances) |
| Crash Dump Type | Absturzabbildtyp (Specifies the file format Dr. Watson will use to store the information. The Full format contains the entire memory space of the program, as well as the program image itself, the handle table, and other information that will be useful to the debugger. The Mini format may include the full memory and handle table, or it may simply contain information about a single thread. The Windows NT 4.0-compatible Full format provides you with the opportunity to use older tools to analyze the dump file. Crash Dump Type is only available when you have selected the Create Crash Dump File check box) |
| cursor data type | Cursor-Datentyp (A special data type used to reference a cursor) |
| data type | Datentyp (A property of a field that defines the kinds of data the field can store) |
| delivery channel type | Übermittlungskanaltyp (The protocol for a delivery channel, such as Simple Mail Transfer Protocol (SMTP) or File) |
| deployment type | Bereitstellungstyp (A technology that is used to deploy an application to devices. A deployment type is contained within an application; for example, Windows Installer could be a deployment type for the "Visio 2007" application) |
| device type | Gerätetyp (A value from a developer-defined list that specifies the types of devices that a given application will support) |
| document type | Dokumenttyp (A designation that identifies a document's purpose) |
| document type definition | Dokumenttypdefinition (A set of syntax rules for mark-up tags and their interpretation. Within an HTML (or XML) document, a DTD provides specific information on what tags are used in the document (and in what order those tags should appear), which tags can appear inside other ones, which tags have attributes, and so forth. Originally developed for use with Standard Generalized Markup Language (SGML), DTD defines the relationships between document elements) |
| document-based content type | dokumentbasierter Inhaltstyp (A content type that inherits settings from a base content type that was designed for document libraries) |
| Double data type | Double-Datentyp (A fundamental data type that holds double-precision floating-point numbers. It's stored as a 64-bit number ranging in value from approximately -1.797E308 to -4.940E-324 (negative), from 4.94E-324 to 1.797E308 (positive), and 0) |
| drawing type | Zeichnungstyp (A Visio file (template) with a .vst extension that opens with the stencils, styles, and settings you need to create a particular type of drawing) |
| EAP type | EAP-Typ (A feature that allows the user to select the type of Extensible Authentication Protocol used) |
| elementary data type | elementarer Datentyp (A simple data type, such as Boolean, Long, or Decimal) |
| employee type | Mitarbeitertyp (A category of employees for which a specific compensation plan is designed, such as Executive, Salaried, or Hourly) |
| entity type | Entitätstyp (The specification for a data type that includes a named set of properties and represents a top-level item in a data model) |
| entry type | Eintragstyp (The kind of tool used to store Account History, Business Contact History or Opportunity (for example, an e-mail message, note, task, or appointment). The type of utility used to store an entry) |
| enumerated data type | Aufzählungsdatentyp (A data type consisting of a sequence of named values given in a particular order) |
| event type | Ereignistyp (The event type for a performance event is "information", and the event type for an exception event is 'error') |
| exchange rate type | Wechselkurstyp (A classification that groups exchange rates) |
| external content type | externer Inhaltstyp (An object (such as a customer, item, or employee) that shares a set of defined attributes or characteristics, and that is used to manage rules for data) |
| External Content Type Collaboration | Externer Inhaltstyp "Zusammenarbeit" (A feature that turns on the Collaborate On functionality for a site collection) |
| External Content Type data source | Datenquelle für externe Inhaltstypen (A type of data source used to connect to an external data source) |
| External Content Type Designer | Designer für externe Inhaltstypen (A modeling tool in SharePoint Designer that enables users to create external content types, external lists and forms without writing code) |
| External Content Type Picker | Auswahltool für externe Inhaltstypen (A BCS feature that allows users of a composite solution to select an external content type from within an Office client application) |
| field data type | Felddatentyp (A property of a field that defines the kinds of data the field can store) |
| field data types | Felddatentypen (A characteristic of a field that determines what kind of data it can store. For example, a field whose data type is Text can store data consisting of either text or number characters, but a Number field can only store numerical data) |
| field type | Feldtyp (The name that identifies the action or effect the field has in the document. Examples of field types are AUTHOR, COMMENTS, and DATE) |
| file type | Dateityp (The format of a file, commonly indicated by its file name extension. The file type indicates which program the file was created in and can be opened with) |
| frame type | Frametyp (The way in which a network type, such as Ethernet, formats data to be sent over a network. When multiple frame types are allowed for a particular network type, the packets are structured differently and are, therefore, incompatible. All computers on a network must use the same frame type to communicate) |
| generic type | generischer Typ (A class, interface, or structure whose definition has placeholders, called generic type parameters, for one or more types that are used in its member definitions. A user specifies real types (generic type arguments) for the type parameters when creating an instance of a generic type) |
| generic type argument | generisches Typargument (The type that the user specifies when creating instances of a generic type or when calling a generic method) |
| generic type definition | generische Typdefinition (The definition of a generic type, in which type parameters act as placeholders for types that the user supplies when creating instances to use. These instances are not instances of the generic type definition, but of the constructed type formed by specifying type arguments) |
| generic type parameter | generischer Typparameter (In a generic type definition, a placeholder for a type that the user specifies (generic type argument) when creating instances of a generic type or when calling a generic method) |
| generic type parameter constraint | Einschränkung eines generischen Typparameters (A way of limiting the types that can be specified for a generic type parameter. For example, types substituted for the type parameter can be constrained to inherit from a particular type, to implement a specific interface, to provide a parameterless constructor, and so on) |
| generic type parameter list | Liste der generischen Typparameter (The list of generic type parameters of a generic type or method, specified as part of the definition of the generic type or generic method) |
| group type | Gruppentyp (The value that specifies whether the group is used for e-mail distribution, securing resources, or both) |
| haemophilus influenzae type b vaccine | Impfstoff gegen Haemophilus influenza Typ B (A vaccine for immunization against serious infections caused by a type of bacteria called Haemophilus influenzae type b, such as meningitis and pneumonia) |
| hardware type | Hardwaretyp (A classification for similar devices. For example, Imaging Device is a hardware type for digital cameras and scanners) |
| host type | Hosttyp (A property that determines whether the host is controlled within or outside of the BizTalk Server process. Host types are In-process or Isolated) |
| Hyperlink data type | Hyperlink-Datentyp (A data type for an Access database field that stores hyperlink addresses. An address can have up to four parts and is written using the following format: A data type for an Access database field that stores hyperlink addresses. An address can have up to four parts and is written using the following format: displaytextaddresssubaddress) |
| identifier type character | Bezeichner-Typzeichen (" A character that that forces a literal to assume a data type other than the one its form indicates. You do this by appending the character to the end of the literal. For example, "%" forces the Integer data type of the literal "L" in the following declaration: Dim L%.") |
| integer data type | Integer-Datentyp (ssn) |
| Integer data type | Integer-Datentyp (A fundamental data type that holds integers. An Integer variable is stored as a 16-bit (2-byte) number ranging in value from -32,768 to 32,767) |
| item type | Elementtyp (The data definition for a class of items stored in a Web application. An item type consists of its name and references to the default set of fields (properties) associated with items of that class) |
| item-based content type | elementbasierter Inhaltstyp (A content type that inherits settings from a base content type that was designed for any type of SharePoint list item) |
| job type | Einzelvorgangstyp (A classification of jobs based on the sequence in which they occur, from the time a job enters the work center to the time it leaves the work center) |
| link type | Verknüpfungsart (The type of task dependency. The four dependency types are Finish-to-start [FS], Finish-to-finish [FF], Start-to-start [SS], and Start-to-finish [SF]) |
| listing type | Auflistungsart (The type of application that a developer wants to publish or list in a Microsoft marketplace; for example, an App for Office, an App for SharePoint, or a Windows Azure Catalog App) |
| literal type character | Literal-Typzeichen (A textual representation of a particular value of a data type. For example, 2147483647 represents a value of integer data type) |
| local type inference | lokaler Typrückschluss (A process in which the compiler infers the type of a local variable that is declared with the var keyword in C or without an As clause in Visual Basic. The compiler infers the type of the variable from the type of the initializer expression) |
| Long data type | Long-Datentyp (A fundamental data type that holds large integers. A Long variable is stored as a 32-bit number ranging in value from -2,147,483,648 to 2,147,483,647) |
| message type | Nachrichtentyp (A definition of a Service Broker message. The message type specifies the name of the message and the type of validation Service Broker performs on incoming messages of that type) |
| message type | Nachrichtentyp (A definition of a Service Broker message. The message type specifies the name of the message and the type of validation Service Broker performs on incoming messages of that type) |
| Microsoft SQL Server System CLR Types | Microsoft SQL Server-System-CLR-Typen (A stand-alone package, part of SQL Server 2008 R2 Feature Pack, that contains the components implementing the geometry, geography, and hierarchy id types in SQL Server) |
| MIME type | MIME-Typ (A method used by Web browsers to associate files of a certain type with applications that display files of that type) |
| MorphX Type Hierarchy Browser | MorphX-Typhierarchiebrowser (A view that displays the structure of the selected Application Object Tree (AOT) class node and its inheritance hierarchies) |
| multi-part message type | mehrteiliger Nachrichtentyp (A definition of the structure of a message, including the data types of its elements. A multi-part message type can contain a single part or many parts) |
| multiple entity sets per type | mehrere Entitätenmengen pro Typ (The ability for an entity type to be defined in more than one entity set) |
| Multipurpose Internet Mail Extensions type | Multipurpose Internet Mail Extensions-Typ (A method used by Web browsers to associate files of a certain type with applications that display files of that type) |
| nested type | geschachtelter Typ (A type defined within the scope of another type. A nested type is typically used for encapsulating implementation details of the top-level type) |
| NetBIOS Node Type | NetBIOS-Knotentyp (A designation of the exact mechanisms by which network basic input/output system (NetBIOS) names are resolved to IP addresses) |
| nullable type | Nullable-Typ (In C, an instance of the System.Nullable struct that can represent the normal range of values for its underlying value type, plus an additional null value) |
| Object data type | Objekt-Datentyp (A fundamental data type representing any object that can be recognized by Visual Basic. Although you can declare any object variable as type Object, it is best to declare object variables according to their specific types) |
| object type | Objekttyp (An opaque data structure that defines a protected entity that is implemented and manipulated by the operating system. For example, the system service that reads a file operates on an open file object) |
| object type mapping | Objekttypzuordnung (" A relationship between an object type that is used to represent a resource in ILM "2" and an object class that is used to represent that object in the metaverse.") |
| OLE Object data type | OLE-Objekt-Datentyp (A field data type that you use for objects created in other applications that can be linked or embedded (inserted) in an Access database) |
| open generic type | offener generischer Typ (A constructed generic type in which one or more of the generic type arguments substituted for its generic type parameters is a type parameter of an enclosing generic type or method. Open generic types cannot be instantiated) |
| operation type | Vorgangstyp (Information that is requested on the resource managed by ILM through the Web service. This includes information on creating and deleting objects, and reading and modifying object attributes. In addition, Add/Remove operations let you apply further control to the modify operation to control only addition of attributes or their removal) |
| Opportunity Type | Typ der Verkaufschance (A field on the Details tab of the Create New Opportunity screen that allows the user to categorize a sales opportunity) |
| parameterized type | parametrisierter Typ (A type whose definition has placeholders for actual types that the user specifies when creating and using instances of the type. C++ templates and common language runtime generics are examples of parameterized types) |
| parent content type template | übergeordnete Inhaltstypvorlage (A type of content that exists prior to the association with an actual Windows SharePoint Services list. This distinction is made since items cannot use a type until it is associated with a WSS list) |
| partial type | partieller Typ (A type of class whose definition is split over two or more source files) |
| partial-type definition | partielle Typdefinition (The definition of a class across mulitple source files) |
| permission type | Art der Berechtigung (One of 2 or 3 possible permissions that a user can grant to users or domains in the Options dialog box, on the Permissions tab. For individual users, the possible permissions are Allow and Block. For domains, the three types of permissions are Allow, Block, and Notify) |
| person-type entity | Personenentität (An entity that represents a person, declared as such in metadata) |
| POCO type | POCO-Typ (A class in the Entity Framework that does not inherit from another class or implement an interface) |
| project type | Projekttyp (A classification that determines how a project is posted to the ledger. Project type identifies an external project as fixed price or time and materials and an internal project as cost, investment, or time) |
| queryable type | abfragbarer Typ (The type of the query variable in a LINQ query. The type of the variable that represents the data source is also a queryable type. A queryable type can be implicitly or explicitly typed, but in either case it must be a generic IEnumerable or IQueryable type) |
| record type | Datensatztyp (The representation of all the instances of a particular record. When changes are made to a record type, those changes will affect all individual records of that type) |
| reference attribute type | Verweisattributtyp (" An attribute type in which the values of the attribute are the ObjectIDs (globally unique identifiers) of other resources in ILM "2".") |
| reference type | Verweistyp (" A data type that is represented by a reference (similar to a pointer) to the type's actual value. If a reference type is assigned to a variable, that variable references (or "points to") the original value. No copy is made. Reference types comprise classes, interfaces, delegates, and boxed value types. ") |
| registered file type | Registrierter Dateityp (File types that are tracked by the system registry and are recognized by the programs you have installed on your computer) |
| Relationship Type | Geschäftsbeziehungstyp (A field in the contact form that specifies the relationship of the account to the organization that uses Microsoft CRM) |
| report type | Berichtsart (A category of reports that all contain similar information) |
| resiliency type | Resilienztyp (A setting that allows the user to select the specific resiliency of data across multiple disks in a virtual disk or storage space) |
| resource type | Ressourcentyp (A class of resources, such as print spooler, physical disk, or file share) |
| Ring type | Ruftontyp (An option that allows the user to specify the type of alert the device will produce in response to an incoming call) |
| role-type | Aufgabentyp (A predefined role definition) |
| Save as type | Dateityp (An option in the Save As dialog that enables a user to save a file in different formats or versions) |
| scalar data type | skalarer Datentyp (A data type defined as having a predictable and enumerable sequence of values that can be compared for greater-than/less-than relationships. Scalar data types include integers, characters, user-defined enumerated data types, and (in most implementations) Boolean values) |
| screening type | Prüfungstyp (The method of screening that is applied before files are saved. Examples are active screening and passive screening) |
| simple type | einfacher Typ (Primitive type that is used for defining properties in the conceptual schema) |
| Single data type | Single-Datentyp (A data type that stores single-precision floating-point variables as 32-bit (4-byte) floating-point numbers ranging in value from -3.402823E38 to -1.401298E-45 for negative values and 1.401298E-45 to 3.402823E38 for positive values) |
| status message type | Statusmeldungstyp (The nature of the status message, such as audit, detail, or milestone) |
| String data type | String-Datentyp (A fundamental data type that holds characters, one character per 2 bytes. A fixed-length string can contain 1 to 64K characters; a variable-length string can contain 1 to 2 billion) |
| string data type | String-Datentyp (ssn) |
| system-defined financial dimension type | vom System definierter Finanzdimensionstyp (A financial dimension mapped to a table or view in the database that represents an entity type and whose values are in the domain of one attribute of that entity type) |
| table-per-type | Tabelle pro Typ (A method of modeling a type hierarchy in a database that uses multiple tables with one-to-one relationships to model the various types) |
| table-per-concrete type | Tabelle pro konkretem Typ (A method of mapping the inheritance where each non-abstract type in the hierarchy is mapped to separate table in the database. Often used when there are unrelated tables that store the same kinds of data in the database. For example, the Product and DiscontinuedProduct tables) |
| target type | Zieltyp (The type of target, which has certain characteristics and behavior) |
| task type | Vorgangsart (A characterization of a task based on which aspect of the task is fixed and which aspects are variable. There are three task types: Fixed Units, Fixed Work, and Fixed Duration. The default task type in Project is Fixed Units) |
| test type | Testtyp (A set of functionality and/or a template to help expose parts of the underlying test framework) |
| threat type | Bedrohungsart (A category of entry points to an asset that could be used by an adversary to adversely affect that asset. Threat types include: Spoofing identity, Tampering with data, Repudiation, Information disclosure, Denial of Service, and Elevation of Privilege) |
| type declaration | Typdeklaration (A declaration in a program that specifies the characteristics of a new data type, usually by combining more primitive existing data types) |
| type descriptor | Typdeskriptor (An object that defines the data type of an input, output or return parameter of a method instance object) |
| type discovery | Typ-Discovery (The process of identifying the types that should be part of an Entity Framework model) |
| Type 1 fonts | Typ 1-Schriftart (Scalable fonts designed to work with PostScript devices) |
| type inference | Typrückschluss (A process in which the compiler determines the data type of a local variable that has been declared without an explicit data type declaration. The type is inferred from the initial value provided for the variable) |
| Type, Length, Value | Länge (A method of organizing data that involves a Type code (16 bit), a specified length of a Value field (16 bit), and the data in the Value field (variable)) |
| Type, Length, Value | Wert (A method of organizing data that involves a Type code (16 bit), a specified length of a Value field (16 bit), and the data in the Value field (variable)) |
| Type, Length, Value | Typ (A method of organizing data that involves a Type code (16 bit), a specified length of a Value field (16 bit), and the data in the Value field (variable)) |
| Type-Length-Value | Typ-Länge-Wert (A method of organizing data that involves a Type code (16 bit), a specified length of a Value field (16 bit), and the data in the Value field (variable)) |
| type library | Typbibliothek (A file (or component within another file) that contains Automation standard descriptions of exposed objects, properties, and methods) |
| type manager | Type-Manager (A software program that helps you increase or decrease the sets of available fonts) |
| type mismatch | Typenkonflikt (A general error that happens when assigning a value to a variable of another type or when comparing values of incompatible data types) |
| type promotion | Typerweiterung (The promotion of an element's scope to the namespace containing the module) |
| type-safe | typsicher (Pertaining to programming languages that can exchange information through commonly agreed upon definitions and usage patterns for types) |
| type safety | Typsicherheit (The ability for languages and classes to exchange information through commonly agreed upon definitions and usage patterns for types) |
| type safety | Typsicherheit (The ability for languages and classes to exchange information through commonly agreed upon definitions and usage patterns for types) |
| unbound type | ungebundener Typ (A type that is referenced in a project and that IntelliSense and the C compiler cannot match to a declaration) |
| uniqueidentifier data type | Uniqueidentifier-Datentyp (A data type containing a unique identification number stored as a 16-byte binary string used for storing a globally unique identifier (GUID)) |
| usage type | Verwendungstyp (In Exchange Server 2007, the type of connector that is determined by the intended use of the connector. The usage type determines the default settings for the connector. This includes the SIDs that are authenticated, the permissions that are assigned to those SIDs, and the authentication mechanism) |
| user type | Benutzertyp (A DWORD that specifies how data is used. A user type is assigned to an identifier in the metabase) |
| user-defined financial dimension type | benutzerdefinierter Finanzdimensionstyp (A financial dimension mapped to a user-defined list of values) |
| user-defined type | benutzerdefinierter Typ (A base data type that is explicitly defined by using the pre-compiler typedef directive) |
| value type | Werttyp (A data type that is represented by the type's actual value. If a value type is assigned to a variable, that variable is given a fresh copy of the value. (This is in contrast to a reference type, where assignment does not create a copy) Value types are usually created on a method's stack frame, rather than in the garbage-collected heap. A value type can be boxed, which is a process that creates a corresponding reference type) |
| Variant data type | Variant-Datentyp (The default data type for variables that don't have type-declaration characters when a Deftype statement isn't in effect. A Variant can store numeric, string, date/time, Null, or Empty data) |
| view type | Ansichtstyp (The basic structure of a view. When you create a view, you must first select one of five view types (table, timeline, day/week/month, card, or icon) to determine how information will be arranged and formatted in your new view) |
| work item type | Arbeitsaufgabentyp (A named definition associated with a project in a Team Foundation Server. Types are composed of fields, a form and work flow. They are defined using XML. Definitions are portable between Team Foundation Servers) |
| workflow type | Workflowtyp (A set of metadata and event handlers in the Application Object Tree (AOT) that defines a workflow design template) |
| Yes/No data type | Ja/Nein-Datentyp (A field data type you use for fields that will contain only one of two values, such as Yes or No and True or False. Null values are not allowed) |
