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.
VARCHAR : when u r using this data type what ever size u r giving that much of memory is allocated to that variable. suppose u r giving varcahr(20) then u enter only 15 cahracters of that variable then also it is giving memory of 20 cahracters.VARCHAR2: when u r using this data type the memory allocation is different.
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.