This document specifies a temporal extension to the SQL-92 language standard. The language is designated TSQL2.

The document is organized as follows. The next section indicates the starting point of the design, the SQL-92 language. Section 4 lists the desired features on which the TSQL2 Language Design Committee reached consensus. Section 5 presents the major concepts underlying TSQL2. Compatibility with SQL-92 is the topic of Section 6. Section 7 briefly discusses how the language can be implemented. Subsequent sections specify the syntax of the language extensions.