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.
VARCHAR2(size): A variable-length character string with a maximum size of 4000 bytes. It differs from the CHAR datatype that itÂ´s not padded the space to its maximum length with blank. The size is the number of characters to store. ItÂ´s currently a synonymous of VARCHAR.