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Encyclopedia: Data type
In programming languages a data type is an attribute of a piece of data that tells the computer (and the programmer) something about what kind of data is being dealt with. This involves setting const...
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In computing, an abstract data type or abstract data structure is a mathematical model for a certain class of data structures that have similar behavior;
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In addition to int, the Java programming language supports seven other primitive data types. A primitive type is predefined by the language and is named by a reserved keyword. Primitive values do not share state with other primitive values.
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Besides int, what other data types are there? Do fields have to be initialized when they are declared? Are fields assigned a default value if they are not explicitly initialized? Previous page: Language Basics ; Next page: Primitive Data Types Primitive Data Types...
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MySQL supports a number of data types in several categories: numeric types, date and time types, and string (character) types. This chapter first gives an overview of these data types, and then provides a more detailed description of the properties of the types in each category, and a summary of the data type...
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SQL Server supplies a set of system data types that define all the types of data that can be used with SQL Server. You can also define your own data types in Transact-SQL or the Microsoft .NET Framework. Alias data types are based on the system-supplied data types.
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User-defined data types, which are aliases for system-supplied data types, can also be defined. For more information about user-defined data types, see sp_addtype and Creating User-defined Data Types. When two expressions that have different data types, collations, precision, scale, or length are combined by an operator:
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4 Syntax and basic data types There are two types of length units: relative and absolute. Relative length units specify a length relative to another length property. Style sheets that use relative units will more easily scale from one medium to another (e.g., from a computer display to a laser printer).
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6 Basic HTML data types SGML basic types This section of the specification describes the basic data types that may appear as an element's content or an attribute's value.
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Data types and purposes. Not to oversimplify, but there are four basic data types in C++: booleans, integers, floats and strings. These four data types will typically have different names in an actual program:
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