Method isNull

APIJSONORM/src/main/java/apijson/SQL.java:36–38

isNull = true @return #isNull(boolean)

()

	 * @return {@link #isNull(boolean)}
	 */
	public static String isNull() {
		return isNull(true);
	}
	/**
	 * @param isNull
	 * @return {@link #IS} + (isNull ? "" : {@link #NOT}) + {@link #NULL};