The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using parameters, rather than concatenating strings and variables. The database engine puts the parameter value into where the placeholder is, and there is zero chance for SQL injection.
Omettere le stringhe di query con valore null Le query anonimizzate costituiscono spesso la query più comune di un sito. Una query anonimizzata viene riportata come stringa di lunghezza zero nella tabella. Se vuoi vedere la query più cercata per criteri specifici, probabilmente devi omettere i valori delle query di lunghezza zero dalla query SQL.
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