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SQL –
SELECT, UPDATE, INSERT and DELETE commands can be performed directly on the text
file.
SELECT - provides data viewing functionality where every line (row) is
presented as set of
fields (columns). Filtering of the lines is done on the field level as well.
UPDATE - every field in every row can be updated with a fix value or
value composed out
other fields or part(s) of the other fields. Selection of the lines (filtering)
to be
updated, if required, is accomplished by defining criteria on the filed level.
INSERT - allows insert of the single line at the end of the file or
insertion of the lines
from another file by retrieving lines from the another file with SELECT command.
DELETE - performs removal of the lines based on the filtering values.
TextMaster provides wizards for query
generation and editing capabilities for exiting query modifications.
SQL features are provided by TMQL™.

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