8/12/2019 Oracle Histort
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History Of Oracle Database
The following are the important events and years in which these
events took place.
Network and Hierarchical Models
Charles Bachman of General Electric proposed a network model
with data records linked together, forming intersecting sets of
data in
1964.
The North American Aviation's pace !ivision and "B# developed a
second approach $ased on a hierarchical model in 1965. "n this
model, data is represented as tree str%ct%res in a hierarchy of
records.
"B#'s prod%ct $ased on this model was $ro%ght to market in
1969as the "nformation #anagement ystem &"#.
Birth Of Relational Model - early 19!
The concept of the relational data$ase was first descri$ed
aro%nd 19!$y !r. Edgar (. Codd in an "B# research p%$lication
entitled
)ystem *+ *elational.)
*elational oftware, "ncorporated &*" was fo%nded in 199and
released racle -. as the world's first relational data$ase.
By 19"5, racle co%ld claim more than /,000 relational data$ase
c%stomer sites. "B# itself wo%ld not em$race relational
technology
in a commercial prod%ct %ntil the 1%ery #anagement (acility in
19"#.
Birth of Oracle $or%oration - 19"#
*" &*elational oftware, "ncorporation was renamed to racle
Corporation.
Be&innin& of 'ortability
racle Corporation created a porta$le version of racle
&-ersion 2 that ran not only on !igital -A34-# systems, $%t
also on 5ni6
and other platforms.
By 19"5 , racle claimed the a$ility to r%n on more than 20
platforms.
$lient()er*er database - 19"6
ince networks $ecame availa$le in mid 70s, racle started
s%pporting Client4erver model.
Oracle +inancials - 19""
racle entered into prod%cts market and developed its E8*
prod%ct9 racle (inancials $ased on racle *elational !ata$ase.
Oracle6 - 19"9
racle version :.0 was released in /;7;. (irst time 8ects in
!ata$ase. As racle started s%pporting o$>ect, it is also called
as *B!# & $>ect*elational !ata$ase #anagement ystem from
racle7 onwards.
Also introd%ced feat%res related to -
