Friday, August 28, 2015

Tip of the Day: About the New COLCHECK Setting
Product.: R:BASE eXtreme 9.5 (32/64) and R:BASE X (Version 10)
Build...: 9.5.5.20924, 10.0.1.10924 or higher
Section.: Settings
Keywords: COLCHECK, CREATE VIEW, CREATE TEMPORARY VIEW, AS alias

Did you know that the upcoming update of R:BASE eXtreme 9.5 (32/64)
and the official release of R:BASE X (Version 10), to be released
on September 24, 2015, include a new COLCHECK setting?

The additional COLCHECK setting has been introduced to manage common
column names and corresponding data types when used as ALIAS names
while defining a new VIEW or modifying an existing VIEW.

COLCHECK specifies if columns will be checked for consistency when
making views. When COLCHECK is ON (the default), view alias/column
names will be checked for consistency to other occurrences of those
names in the database, when the view is created.

Syntax:

SET COLCHECK ON/OFF

Similar checking is already in place when creating or modifying
tables, and when attaching tables to a database, where R:BASE
requires an alias that does not cause name/data type conflicts.

If an application requires COLCHECK be off to define a view, the
proper results should not be expected once COLCHECK is switched
back to ON when using the view. If a view needs to be created
with COLCHECK OFF, it also needs to be used with COLCHECK OFF.

An impact may occur for a view that has already been defined,
because when COLCHECK is ON, the values generated for the view
will follow the data type of the alias. If an error occurs, the
view definition should be reviewed.

Note:

Customers with VIP status may request a private version of
R:BASE eXtreme 9.5 or RBASE X (version 10) for their internal
testing. Send your request to mailto:[email protected]

Very Best R:egards,

Razzak.

www.rbase.com
www.rbaseX.com
www.facebook.com/rbase
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