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Page "Database" ¶ 79
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database and needs
A DBMS also needs to provide effective run-time execution to properly support ( e. g., in terms of performance, availability, and security ) as many database end-users as needed.
Accordingly its supported data collection needs to meet respective usability requirements ( broadly defined by the requirements below ) to qualify as a database.
The major purpose of a database is to provide the information system ( in its broadest sense ) that utilizes it with the information the system needs according to its own requirements.
The database needs to be based on a data model that is sufficiently rich to describe in the database all the needed respective application's aspects.
A database data model needs support by a sufficiently rich data manipulation language to allow database manipulations, and for information to be generated from the data.
All the three levels are maintained and updated according to changing needs by database administrators who often also participate in the database design.
Database design is done before building it to meet needs of end-users within a given application / information-system that the database is intended to support.
On top of it the external level, various views of the database, are designed according to ( possibly completely different ) needs of specific end-user types.
Different types may significantly differ in their properties, and the optimal mix of storage types is determined by the types and quantities of operations that each storage type needs to perform, as well as considerations like physical space and energy consumption and dissipation ( which may become critical for a large database ).
In order to access a database object a transaction first needs to acquire a lock for this object.
Different types may significantly differ in their properties, and the optimal mix of storage types is determined by the types and quantities of operations that each storage type needs to perform, as well as considerations like physical space and energy consumption and dissipation ( which may become critical for a large database ).
In order to access a database object a transaction first needs to acquire a lock for this object.
As there can be many different users, there are many different database needs.
When it is considered that some e-learning courses need to include video, mathematical equations using MathML, chemistry equations using CML and other complex structures the issues become very complex, especially if the systems needs to understand and validate each structure and then place it correctly in a database.
Both firms struggled to take Smalltalk mainstream due to Smalltalk's substantial memory needs, limited run-time performance, and initial lack of supported connectivity to SQL-based relational database servers.
These technologies ' implementation can and does depend on the needs of the business and the sensitivity / confidentiality of the data to be stored in the database, and hence the price the business is willing to spend on ensuring data security, consistency and integrity.
Compared to traditional techniques of exchange between an object-oriented language and a relational database, ORM often reduces the amount of code that needs to be written.
Entity relationship models were being used in the first stage of information system design during the requirements analysis to describe information needs or the type of information that is to be stored in a database.
The website pothpirates. com is the database for all Poth Pirate Football needs.
This poses a serious problem and needless to say, any database system with multi-user access needs some sort of system to deal with these scenarios.
The division also defines NIGMS ’ needs for database development and applications as well as for a broad spectrum of biomedical technologies, techniques and methodologies.

database and built-in
A temporal database is a database with built-in time aspects, for example a temporal data model and a temporal version of Structured Query Language ( SQL ).
Euphoria has a simple built-in database and wrappers for a variety of other databases.
* Extensibility: Any database system has its own predefined set of data types which we can use to build new types ( see Complex Objects ), but a purely extensible system is designed such that there are no logical differences between built-in ( or ' primitive ') data types and ' custom ' data types, though there may be strong differences in the way the two are implemented.
The machine had vastly more application functionality, including a number of built-in application programs, an easy to use database, a diary and an alarm clock and featured end-user programmability in the form of the successful Organiser Programming Language ( OPL ), a BASIC-like language which was compiled to intermediate code, in contrast to the interpreters which were commonly available for other consumer computers of the time.
More advanced users could reach into the system machine code routines either via direct machine code, or via calls from OPL, and could manipulate the built-in address database as well as create their own.
The major enhancements made were adding built-in data compression and a major enhancement of the ability of the database engine to run on clusters.
The Cambridge Computer Z88 is an A4-size, lightweight, portable Z80-based computer with a built-in combined word processing / spreadsheet / database application called PipeDream, along with several other applications and utilities, such as a Z80-version of the BBC BASIC programming language.
Over time, Ashton-Tate's competitors introduced so-called clone products and compilers that introduced more robust programming features such as user-defined functions ( UDFs ) to supplement the built-in function set, scoped variables for writing routines and functions that were less likely to be affected by external processes, arrays for complex data handling, packaging features for delivering applications as executable files without external runtime interpreters, object-oriented syntax, and interfaces for accessing data in remote database management systems.
For example, IBM i has a built-in DB2 database which does not require separate installation.
Until 2004, each table of a FileMaker database system was stored as a separate file ( with relational links to other files ) and each file had its own built-in interface capabilities.
The " Plus / 4 " name refers to the four-application ROM resident office suite ( word processor, spreadsheet, database, and graphing ); it was billed as " the productivity computer with software built-in ".
WinGate allows use of either WinGate's built-in user database, the Windows user database, or the user database of an NT domain or Active Directory.
It has a database capability built-in with ISAM and Associative Hashed Indexes, as well as ODBC, SQL, Oracle, sequential, random access, and XML files.
The program was notable for fully integrating NOMAD devices into Windows Explorer, providing a web-based interface to the device and providing search capabilities using a built-in SQL database
There was no database used on the back-end, but instead a built-in flat-file object-oriented datastore ( BOSS ) which together with the overall power of the Smalltalk language made the code fast and compact for the time.
* Real-time scanning of memory, a feature also prominent in many programs, by placing a PunkBuster Client on players ' computers searching for known hacks / cheats using a built-in database.
There is no built-in persistent data storage, such as a file or database.
A temporal database is a database with built-in time aspects, for example a temporal data model and a temporal version of Structured Query Language ( SQL ).
TK Solver includes roughly 150 built-in functions: mathematical, trigonometric, Boolean, numerical calculus, database access, and programming functions, including string handling and calls to externally compiled routines.
The complete NIST database of thermodynamic and transport properties is included, with built-in functions for accessing it.

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