If either string is of datatype VARCHAR2, the result has datatype VARCHAR2 and is limited to 4000 characters. Trailing blanks in character strings are preserved by concatenation, regardless of the strings' datatypes. On most platforms, the concatenation operator is two solid vertical bars, as shown in Table 3-3. However, some IBM platforms use broken vertical bars for this operator.
George Marks/Retrofile/Getty Images. If a thunderstorm is rolling in, your chances of being struck by lightning are one in 600,000, but this risk is elevated if you take a shower or bath, wash laundry or dishes, or even clean your hands in the sink during the storm.
No, it is not possible to have thunder without lightning. Thunder is a direct result of lightning. However, it IS possible that you might see lightning and not hear the thunder because it was too far away. Sometimes this is called âheat lightningâ because it occurs most often in the summer.