Iterar Map / Iterate Map

for (Map.Entry entry : camposDocumento.entrySet()) {
 String key = entry.getKey();
 String valor = entry.getValue();
}

MySQL- You are using safe update mode and you tried to update a table without a WHERE clause that uses a KEY column

SET SQL_SAFE_UPDATES=0; update tabla set columna = null; SET SQL_SAFE_UPDATES=1;