Isql

In database computing, various utilities for accessing SQL-based databases use variants of the isql moniker - often with an implication of running interactive SQL. They include:

isql, a Sybase client isql, a unixODBC program iSQL, an Altibase utility iSQL*Plus, a web-based interface to Oracle's SQL*Plus ISQL, Informix SQL - an Informix tool ISQL, InterBase SQL command utility ISQL, a command-line interface for Microsoft SQL Server