1. APPLIED SYSTEMS
VOCABULARY
1. Database (Base de datos): is a set of data organized and interrelated, which are
gathered and exploitedby a companyorbusiness information systems in particular.
2. Access (Acceso):Theway in whichthe file or data set are referencedbycomputer.
3 End-user (Usuario Final): is theonewhoaccessdatabasesthrough a language of
inquiryorapplicationprograms.
4.
Searchengine
(Buscadores):
Oralsocalledsearchengines,
toolsthatallowtoclassifythe
information
thatexistsonthenetwork
makeitavailablesoonaccordingtothepreferences of theuser.
are
and
5 Field(Campo):Unitbasic a data base, a field can be, forexample, thename of a
person. Thenames of thefields, can notstartwithblankspaces and specialcharacters.
Theymaynotcarrypoints, orexclamationmarksorbrackets. Iftheymayhaveblankspaces
in themiddle.
6. Statistical data (Datos estadísticos): thesestorestatistical information aboutthe
data in thedatabase.
7. The DBMS: is a set of programsthat are responsible forhandlingthecreation and
allaccesstothedatabases.
8. Disposal (Eliminacion):It is a requestfordeletionwhich is expressedvery similar to
a query. However, instead of presentingtuplestotheuser, weremoveselectedtuples in
thedatabase.
You
can
onlydelete
complete
tuples;
You
can
deleteonlycertainattributevalues.
9 Ease of queries (Facilidad de consulta):allowtheusertomake simple
issuestothedatabase. Consultationshave as missiontoprovidethe information
requestedbytheuser of a fast and correctway.
10. Form (Formulario): is theelement in theform of date thatallowsthemanagement
of the data in a way more comfortable and visibly more attractive
11. Data Base Manager (Gestor de datos): is a set of programsthatallowtocreate and
maintain a database, ensuringitsintegrity, confidentiality and security
2. 12.
Independence
of
data(Independencia
datos):referstotheprotectionagainsttheapplicationprogramsthat
can
changeswhenalteringthephysical and logicalorganization of data bases.
de
cause
13. JDBC:Theconnectivity of Bases of data Java (JDBC Java DatabaseConnectivity) is
anapplicationprogram interface specification (applicationprogram interface, API)
toconnectprogramswritten in Java tothe popular database data.
14. Themanipulation of data(Manipulacion de datos): data manipulation is
therecovery of information stored in the data base
15. Querylanguage: are thelanguages in whichusersrequest information
fromthedatabase. Theselanguages are usuallymosthigh-levelprogramminglanguages.
Querylanguages can be classified as procedural and non-procedural
16. Data Base manipulation (Lenguaje de consulta):usingthedatabase - user can
add, delete and modifydatabase information as well as alsomakeconsultations
17. Object-orienteddatabasemodel (Modelo de base de datos orientado a
objetos): is anadaptationtodatabasesystems. It is basedonthe concept of
encapsulation of data and codethatoperatesonthese in anobject.
18 Models of network (Modelo de redes):thismodelallowstherepresentation of
many-to-many of a database. Thenetworkmodelavoidsredundancy in information,
throughtheincorporation of a record calledtheconnectortype.
19 Levellogic (Nivel lógico): definition of data structuresthatconstitute
20 database. Integrity rules: are restrictionsthat define theconsistencies of
thedatabasesStates.
21.
DBMS:It
is
a
allaccesstothedatabases.
set
of
programswhichhandlethecremation
and
22.Software:It is a handlesystemthatallowstheusertoaccesseasilytothestored data
ordatabasesthatwalk be stored
23. Transaction (Transaccion):it is a sequence of operationsforaccesstothe data
base thatconstitutes a logicalunit of execution.
24.Transactionsshared
Compartidas):sharedtransactionssupportgroups
whichwishtocoordinatetheirefforts
in
real
of
time,
(Transaccion
usersonworkstations,
users
can
share
