An operator for limiting the scope of your search by representing a single alphanumeric character You can use more than one ? to indicate multiple characters For example, ?at finds documents that contain cat and hat, while ??at finds documents that contain that and chat
If there is doubt or uncertainty about something, you can say that there is a question mark over it. There are bound to be question marks over his future. A punctuation symbol (?) written at the end of a sentence or phrase to indicate a direct question. Also called interrogation point
The wild-card symbol that stands for a single character at a specific location, unlike the asterisk (*), which can stand for one or more characters In AB?DE, for example, only file names or characters strings that are five characters long with AB as the first two characters and DE as the last two characters, are selected