ascii
เว็บไซต์ ascii ASCII Computer Code Computers work in binary code Information is coded using 0s and 1s Each 0 or 1 is called a bit In the early years of computer ascii The US ASCII Character Set Codes 0 through 31 and 127 are unprintable control characters Code 32 is a nonprinting spacing character
ascii The ASCII standard only defines 128 characters However, a single byte can represent 256 different values This means that there are 128 characters that are not 0x5F, _, 127, 0x7F, DEL> EXTENDED ASCII CHARACTERS DEC, HEX CHARACTER DEC, HEX, CHARACTER, DEC, HEX, CHARACTER 128, 0x80, €, 171, 0xAB, «, 214, 0xD6, Ö ASCII ASCII returns the decimal representation in the database character set of the first character of char char can be of data type CHAR , VARCHAR2 , NCHAR