1GL First-generation language. The ones and zeros that computers use to communicate. Binary language.
2GL Second-generation language. Assembler language.
3GL Third-generation language. A general category of computer programming languages that tend to support structured or object-oriented programming in a manner that is closer to the spoken word than 2GLs. Common 3GLs: Java, C, FORTRAN, PHP, Perl.
4GL Fourth-generation language. Closer to the spoken word than 3GLs. The most well-known and widely used 4GL is SQL.
administrator See database administrator.
aggregate A single value representing any number of other values.
alias An alternative name for something. Example: “Joe” is an alias for “Joseph”.
alphabetic Describes the letters of ...