Index - U
| UnboundedFollowingFrameBound | PostgresqlSyntax |
| UnboundedPrecedingFrameBound | PostgresqlSyntax |
| UnionSelectBinOp | PostgresqlSyntax |
| UniqueAExpr | PostgresqlSyntax |
| UnknownAExprReversableOp | PostgresqlSyntax |
| UnloggedOptTempTableName | PostgresqlSyntax |
| UnquotedIdent | PostgresqlSyntax |
| UpdateForLockingStrength | PostgresqlSyntax |
| UpdateOnConflictDo | PostgresqlSyntax |
| UpdatePreparableStmt | PostgresqlSyntax |
| UpdateStmt | |
| 1 (Type/Class) | PostgresqlSyntax |
| 2 (Data Constructor) | PostgresqlSyntax |
| UserFuncExprCommonSubexpr | PostgresqlSyntax |
| UserOverrideKind | PostgresqlSyntax |
| UsingClause | |
| 1 (Type/Class) | PostgresqlSyntax |
| 2 (Data Constructor) | PostgresqlSyntax |
| UsingJoinQual | PostgresqlSyntax |
| UsingSortBy | PostgresqlSyntax |