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.
The key difference between the two data types is how theyâre stored. VARCHAR is stored as regular 8-bit data, NVARCHAR strings are stored in the database as UTF-16. UTF-8 (UCS Transformation Formatâ8-bit) is a variable-width encoding that can represent every character in the Unicode character set.