PostgresQL - MySQL - Oracle

[Apostolos N. Papadopoulos]

Mia kai exw doulepsei kai me tis 3, exw na parathrhsw ta ekshs:

1. Sxetika me emporikh anaptyksh efarmogwn, apo ta 3 DBMS pou aneferes
   protinw thn Oracle. Oxi mono giati einai h pio diadedomenh, alla 
   giati sthn ekdosh 8.x.x exoun pros0esei para polla features pou 
   kanoun thn anaptyksh emporikwn efarmogwn arketa eukolh. Mh ksexnas
   epishs oti yparxei kai o Oracle Application Server, me ton opoio 
   poly eukola boreis na baleis mia efarmogh sto Web.

2. H PostgreSQL einai perissotero ereunhtiko proion, pou ftiaxthke sto
   Berkeley. Se epipedo arxitektonikhs einai safws pio anebasmenh apo 
   ola ta relational, giati einai object-relational. Otan akous oti
   h Oracle 8.0 einai object-relational, mhn ta pisteueis kai poly,
   giati h ennoia tou object einai parekshghmenh. Mazi me to core
   DBMS boreis na vreis kai addons, opws to Datasplash, to opoio
   ka0etai panw apo PostgreSQL kai einai poly kalo gia data visualization.
   Nomizw oti yparxoun kai alla tools, opws p.x. gia data mining.

3. Gia thn MySQL to mono kalo pou vriskw einai h taxythta. Den exei
   polles dynatothtes opws objects k.l.p. alla gia aples efarmoges
   kai web einai oti prepei.

Elpizw na boh0hsa kapws.

Apostolos
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