1 08/05/81  modify, m
 2 
 3 Syntax:  m {column_values} {-control_arg}
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 5 
 6 Function:  modifies the selected data in the data base.
 7 
 8 
 9 Arguments:
10 column_values
11    if present, specify the new values to replace the selected data in
12    the data base (DEFAULT -- LINUS will request column_values
13    individually by name).
14 
15 
16 Control arguments:
17 -brief, -bf
18    specifies that verification of column_values is not to be done
19    (DEFAULT -- the user is requested to verify the correctness of the
20    column_values before the modification takes place).
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22 
23 Notes:
24 Only non-key columns, and only columns from one table may be modified.
25 
26 Column_values may be specified as constants or LINUS variables, or as
27 arithmetic expressions combining constants, LINUS variables, and
28 possibly the name of the column names form the LILA select clause.