If you specify a negative scale, Oracle Database rounds the actual data to the specified number of places to the left of the decimal point. For example, specifying (7,-2) means Oracle Database rounds to the nearest hundredths, as shown in Table 26-1.
McCann (2000) found that households in communities with good transit use save an average of about $3,000 annually on transportation costs. Litman (2004) found annual transportation cost savings of about $1,300 per household in cities with well-established rail transit systems compared with cities that lack rail.
Other ranges and costs include 50 to 250 tons for $3,262, 500 to 1000 tons for $32,620, and over 2000 tons for $65,240. A representative cost of $40/ton is used in this paper. â¢ TransportationâHazardous waste must be transported using a hazardous waste manifest and by permitted vehicles.