Subset of Database Tables/Fields are as follows:
Table1 Field1 and Field2 values can occur multiple times in the table
Table2 Field1 has a unique value in the table
Table3 Field1 and Field2 when combined have a unique value
Table1 Field1 and Field2 not indexed
Table2 Field1 indexed - unique...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.