Summary Description. Assemble, install, or maintain solar photovoltaic (PV) systems on roofs or other structures in compliance with site assessment and schematics. May include measuring, cutting, assembling, and bolting structural framing and solar modules. May perform minor electrical work such as current checks.
IFERROR(value, value_if_error) The IFERROR function syntax has the following arguments: Value Required. The argument that is checked for an error. Value_if_error Required. The value to return if the formula evaluates to an error.
20 1 7. I get an error when I run this one: select odate,count(odate),sum(dur) from table1 t1 group by odate order by odate union select cdate,count(cdate),sum(dur) from table2 t2 group by cdate order by cdate; â Narges Dec 27 '13 at 8:20.