# saved from url # http://www-cs.canisius.edu/PL_TUTORIALS/C++/EXAMPLES/MRD/TESTS2/DEMO1.script --> % mrd MRD> help MRD> print Name of existing relation: family2 MRD> select Name of existing relation: family Now you will enter one or more selection criteria. Enter name of field to compare against: lastname Enter comparison: = != < > <= >= = Enter the data to be used in comparison: Azari Another? (y/n) n MRD> print MRD> stats Name of existing relation: family What is the name of the field to summarize? age MRD> print Name of existing relation: states.txt MRD> view Name of existing relation: MRD> join Name of first relation: family which field in this relation? city Name of second relation: states which field in this relation? city MRD> print Name of existing relation: MRD> project Name of existing relation: Now enter one or more field names. Put one space between field names. Do not press return until all done. firstname lastname city state MRD> print Name of existing relation: MRD> number Name of existing relation: family MRD> print Name of existing relation: MRD> print Name of existing relation: states2 MRD> unique Name of existing relation: states2 MRD> print Name of existing relation: MRD> print Name of existing relation: cityfun MRD> project Name of existing relation: cityfun Now enter one or more field names. Put one space between field names. Do not press return until all done. cityfun MRD> print Name of existing relation: MRD> unique Name of existing relation: MRD> print Name of existing relation: MRD> sort Name of existing relation: family What is the name of the field to sort on? age MRD> print Name of existing relation: MRD> sort Name of existing relation: family What is the name of the field to sort on? iq MRD> print Name of existing relation: MRD> sort Name of existing relation: family What is the name of the field to sort on? lastname MRD> print Name of existing relation: MRD> cross Name of first relation: family Name of second relation: currentyear MRD> print Name of existing relation: MRD> print Name of existing relation: fam2 MRD> add Name of existing relation: fam2 firstname (string): Joe lastname (string): Smith age (integer): 80 city (string): Timbuktu iq (float): 98.7 MRD> print Name of existing relation: fam2 MRD> ls MRD> new What do you want to call the new relation? animals Now you will define the fields. Later you can add records. New field name (no spaces please): name Is the data type c=charstring, i=int, d=floating point: c What is the print width? 10 Another field? (y/n) y New field name (no spaces please): numfeet Is the data type c=charstring, i=int, d=floating point: i What is the print width? 10 Another field? (y/n) y New field name (no spaces please): color Is the data type c=charstring, i=int, d=floating point: c What is the print width? 6 Another field? (y/n) n Now you can use the "add" command to add records. MRD> quit