why put the $ charater to stringvalue name?

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1

i found out some of string name have $ string prefix.

why they put the $ character to stringvaluename?

please advice.

2

Can you provide a little more context? Where exactly are you seeing the $? “Some string name” is too general.

3

If you use execSQl service, you will see $rowCount $ updateCount at pipeline output value.

4

Ah. I believe $ is used to indicate “system” variables, but I’m not sure…