TY - BOOK ED - Ashton-Tate Corporation TI - dBAse IV change summary / Ashton-Tate Corporation CY - Chile: ASHTON-TATE KW - 1.DATA FILES\2.SBASE IV CHANGE SUMMARY\3. ELECTRONIC DATA PROCESSING\4. COMPUTING N1 - Form dBase III PLUS to sBASE IV-new user interface-the control center-Borwse and edit-Error handling-Help system-Labels-Macros-Queries and views-Reports-Structured query langauge (SQL)capability-Database files-Increased strcutured limits-Commands and functions-Mathematical functions ER -