Folks, this is funny.

I've been using Oracle for several months, and started teaching myself MySQL
since last weekend. I'm currently using the MySQL version 3.23.49

I found something really interesting: In Oracle, I have to create the
Foreign Key in order to join 2 tables. It's quite different when I deal with
MySQL. I can join two tables without creating the Foreign Key. ----- Is this
Normal? Before learning MySQL, I thought both MySQL and Orcle use Structural
Query Language, which should be the same. But, now I know I'm wrong.

Also, when I insert data to a table in MySQL, the values can be enclosed by
single quotes, like 'alan', In Oracle, NO WAY, you have to use double
quotes, like "alan".

Any suggestions or advice?

It seems I really should get a MySQL book. Which one is the best?


cheers,

feng



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