Timestamps are an attribute of each database. Each entry in the database transaction log is associated with a unique timestamp. Timestamps are used to order database activity; however, timestamps are not time-dependent.
The time of creation or last modification recorded on a file or another object. Users can usually find the timestamp in the Properties section of a file.
The UNIX filesystem stores the times that each file was last modified, accessed, or had a change to its inode. These times - especially the modification time - are often called timestamps. See also article 21.13.
show the time and date that an event happened, such as last file modification, or an event in the system logs. [ edit
Date and time information for when a file was created or last modified in the operating system, or when the image was created by a device (metadata information).