Actian PSQL Active-Passive Cluster Server Engine (v. 12) - license - 10 users, 2 servers

Actian PSQL is a reliable, low maintenance, high-performance database management system. PSQL 12 expands its Unicode support with SQL storage for wide character data. You can now store your data in any language in a single database, with multiple character sets in the same table, row, or even the same column.