The & amp; Symbol (the role of the connection string) why sometimes feel anywhere in sometimes and don't need (lost a small white)

CodePudding user response:

The connection string has no need & amp; Or + (write a function joining together the other said)
In some cases such as the object. The print can use the comma is a connection string variables such as output, but after the output variables are separated between the two, the seamless connection if you want to use & amp; Or +

CodePudding user response:

Ok, I probably understand, thank you very much!