I have an application in VB and a table in Access, I want know the best result to solve the problem.<br><br>there are two tables say table1 and table2<br>table1 has fields ID, SSN, HireDate. Table2 has ID, SSN, AbsDate.<br>for 1 SSN in table1 has many SSN in table2<br><br>what is the SQL statement to calculate the time period between AbsDate and HireDate.<br><br><br>