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Returns a value that indicates whether the field is in the SQL database.
public boolean isSql()
The following example determines whether the field is in the SQL database.
DictField df; df = new DictField(tablenum(CustTable), fieldnum(CustTable, AccountNum)); if (df) { if (df.isSql()) { print ("Field is in SQL database"); } else { print ("Field is not in SQL database"); } }