No, it is different. Transactional information system records, analyse and process daily first line operations of an organization.
A tactical information system gather, agglomerates and transform the records generated by transactional and lower level systems and provide its results to executive level for decision making activities.
A transactional system would be a order e commerce suite, and the tactical system would be a reporting suite delivering info on how many sales have been made per region, etc...
Some vendors offers a full range of systems such as Microsoft, oracle etc... whereas other such a business object reports focuses only on a specific line of business.