Here are some examples of sqlupdate:
stilts -classpath lib/drivers/mysql-connector-java.jar \
-Djdbc.drivers=com.mysql.jdbc.Driver \
sqlupdate db='jdbc:mysql://localhost/RADIO' user=root
select='SELECT * from FIRST" \
assign='HTMID=htmIndex(20,POS_EQ_RA,POS_EQ_DEC)'