Why do I get the error “Error using vertcat Dimensions of arrays being concatenated are not consistent.”?

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Can anybody help me with this?
I try to get data from an SQL database but only get this error (see attachment).
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KALYAN ACHARJYA
KALYAN ACHARJYA le 31 Oct 2019
Modifié(e) : KALYAN ACHARJYA le 31 Oct 2019
Please make a little effort to attach the representation code (not screenshot)?
Adam Danz
Adam Danz le 1 Nov 2019
When you vertically concatenate A and B the number of columns in A and B must match. In your case, they do not. That's the best answer you'll get with the limited data you've shared.

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Julian
Julian le 1 Nov 2019
Could it be that your variable strHH is not a row vector char array?
I find it useful to define sql statement in a separate literal with a string column vector, so you can read it clearly but without all the ... continuations
sql = ["select * "
"from dual "
"order by dummy"]
sql = join(sql, newline)
exec(conn, sql, ...

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