>>On my computer when I use full name of the table and did not give alias on the table when I use only table name in the query I have no problems, but on some other computers I get "multy-part identifier ... could not be bound".
>>

>>SELECT Table1.Fld1,
>>       Table1.Fld2
>>FROM DataqBase.Schema.Table1
>>WHERE Table1.Fld3 = 3
>>

>>this work on my computer but not on others.
>>
>>

>>SELECT Table1.Fld1,
>>       Table1.Fld2
>>FROM DataqBase.Schema.Table1 Table1 
>>WHERE Table1.Fld3 = 3
>>

>>This works always.
>>I want to know how to turn this option OFF on my computer so I can test my queries.
>>Thank you.
>
>If only one table is used in a query, why do you need to use table's name referring to its columns?
>
>Also, could it be case-sensitive installation of SQL Server?

:-)
This is an example, not the full query.
No, nothing on this server is case or accent sensitive.