Fixed little typos.

tonu@volk.internalnet

tonu@x153.internalnet

tonu@x3.internalnet

Administrator@co3064164-a.

in many cases faster than page locks, row locks or versioning.  The

drawback however is that if one doesn't take into account how table

locks work, a single long-running query can block a table for updates

for a long time. This can usable be avoided when designing the

for a long time. This can usually be avoided when designing the

application.  If not, one can always switch the trouble table to use one

of the transactional table types. @xref{Table locking}.

@item Unions                               @tab 4.0

@item Full join                            @tab 4.0 or 4.1

@item Triggers                             @tab 4.1

@item Constrainst                          @tab 4.1

@item Constraints                          @tab 4.1

@item Cursors                              @tab 4.1 or 4.2

@item Extensible index types like R-trees  @tab R-trees are planned for 4.2

@item Inherited tables                     @tab Not planned