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select * from sqlite_master where type='table';select * from sqlite_master where type='index';
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query: TZQuery;
begin
  query := TZQuery.create(nil);
  query.con := ZConnection;
  query.sql.add('select * from sqlite_master where type=''table'';');
  query.sql.add('select * from sqlite_master where type=''index''; ');
  query.open;
end;

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