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.
As the name suggests, varchar is called a variable character. Varchar is used to store alphanumeric data that have variable lengths. The maximum number of characters that this data type can hold is 4000 characters and the maximum storage size is 2 GB.