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.
does the 50 mean the string can be 50 caracters in length or is it 50 bits, or what >> (50) storage size is the actual length in bytes of the data entered, not actualy 50 bytes. Varchar has a max of 8000 characters. >> There will be no performance lose. >> Varchar is for fields that will vary considerably in size.