Declare sql or not?

[J-P-W]

Hi,

Should I:

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Dim sqlA As String
sqlAll = "DELETE * FROM tblName;" '....or whatever!
DoCmd.RunSQL sqlA
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Or is it acceptable to just:
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DoCmd.RunSQL (DELETE * FROM tblName;)
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I know both work, but is there a reason I should use one over the
other?

Thanks, Jon