Answer / yuvaevergreen

Teradata is RDBMS and Oracle is Object RDBMS. Teradata has
been mainly designed to OLAP whereas Oracle is for OLTP.
Both can be used for OLTP and OLAP. But, Teradata is mainly
used for DWH because of its parallelism. Even a simple table
with less no of rows is also distributed equally among the
amps. This gives TD an edge over Oracle, when it comes to
DWH. Oracle is very well suited for transaction processing
because of its object rdbms nature.

Answer / shirisha

Teradata is shared nothing Architecture where as oracle is
shared every thing.milllions of instructions persec,fast
retrieval and better storage in teradata.thousands of
instructions per sec n fast retrieval in oracle.Teradata
many bulk load facilities and terabytes of storage. oracle
limited bulkload facilities and GIGA bytes of storage.
parallelism is unconditional in teradata and conditional in
oracle.teradata is designed for DWH, datamart,internet,e-
commerce appliances.oracle is designed for OLTP
more and OLAP and DWH parti l.

Answer / praveen

Addition to above answers

Lets Think there are 50 records to be inserted into the table and each record will take 1 sec. If we are doing in oracle or Teradata (with 1 amp) It will take 50 secs. But due to parallelism we can increase the amps. let us assume we have 5 amps. So, now the amount of work is distributed between 5 Amps and now it will take only 10 sec's. Whatever the database we are using time efficient should be imp. So, Teradata is used in many DWH projects.

Answer / tdguy

Teradata's parallelism gives an edge over Oracle, when it
comes to OLAP. Whereas Oracle is generally used for OLTP due
to its conditional parallelism and object rdbms nature.

Answer / shaik mahamad rafi

Teradata Oracle
--------------------------------------------------------------1 shared nothing architecture 1>shared pool architecture
2 Index's Parallel Distribution 2>Sequence distribute
3 No need to maintain Index's as 3>dba must maintain index's
dba
4 MIPS 4>KIPS
5 Especially EDWH 5>Especially TX Process
6 High Availability 6> Comparing Low
7 Easily Writing Complex Queries 7>Difficult To write CMPLXQ
8 Tera bytes of data for historical 8>giga bytes for TX Pro

Answer / ramon morales

Teradata es una BD para DWH, con arquitectura para manejo de grandes cantidades de datos TB y hasta PN.
Oracle es una BD con arquitectura relacional, Oracle tiene Exadata que es la competencia de Teradata.
Teradata tiene mas años en el mercado y esta posicionado como la herramienta Lider en DWH.
Speak about the both Arquitect is other topic

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