Transaction servers-
Clients invoke remote procedures that reside on servers which also
contains an SQL database engine. There are procedural statements on the
server to execute a group of SQL statements (transactions) which either
all succeed or fail as a unit. The applications based on transaction
servers are called On-line Transaction Processing (OLTP) and tend to be
mission-critical applications which require 1-3 second response time,
100% of the time and require tight controls over the security and
integrity of the database.
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