What is the average annual salary for Field Superintendent-Construction? The annual salary for someone with the job title Field Superintendent-Construction may vary depending on a number of factors including industry, company size, location, years of experience and level of education.he annual salary for someone with the job title Field Superintendent-Construction may vary depending on a number of factors including industry, company size, location, years of experience and level of education.
The difference between Varchar and Varchar2 is both are variable length but only 2000 bytes of character of data can be store in varchar where as 4000 bytes of character of data can be store in varchar2.
Varchar fields can be of any size up to a limit, which varies by databases: an Oracle 9i database has a limit of 4000 bytes, a MySQL database has a limit of 65,535 bytes (for the entire row) and Microsoft SQL Server 2005 has a limit of 8000 characters (unless varchar(max) is used, which has a maximum storage capacity of 2 gigabytes).