Thx for your answers

I see the database tables in lower case, for more information i've just exported the server database and imported it to my localhost database (MySQL both), it is curious what it does.
When i acces the home page it loads the default page (first Liferay installation) but i can acces the different organizations throught the URL, and voila! when i push the logo from others organizations it loads my home page.
But there is a but, when i shutdown and restart the servers happens the same again. Another thing that i,m observating is that all the document library documents are unavailabe for download. I can clic the link but it says that the document doesn't exist, i have copied the data folder too.
My connection settings are:
# Liferay will automatically detect the database type by initializing
# DBUtil. You can override the value here if needed. Expected values are:
# db2, derby, firebird, hypersonic, informix, ingres, interbase, jdatastore,
# mysql, oracle, postgresql, sap, sqlserver, and sybase.
#
jpa.database.type=mysql
#
# MySQL
#
jdbc.default.driverClassName=com.mysql.jdbc.Driver
jdbc.default.url=jdbc:mysql://localhost/lportal?useUnicode=true&characterEncoding=UTF-8&useFastDateParsing=false
jdbc.default.username=myusername
jdbc.default.password=mypassword
Thx