MYSQL Vs Oracle

Hi,

Here I found some differances in MySQL vs Oracle

1) dual table ( in oracle we need to specify the dual table , but in MYSQL , we need not..)

2) MySQL only supports primitive data types, DATE, NUMBER and STRING and TIME.

3) MySQL supports more types of tables than Oracle, including MyISAM, MERGE, ISAM, innoDB, BDB and HEAP

4) In oracle we use "" for Concatenate strings, but in mysql , we have a function called "CONCAT("String1", "String2") "