A、the main portion identifying the consignment B、a three-digit prefix identifying the carrier C、the main portion identifying the carrier D、the last check digit for accounting and security purposes
A、the main portion identifying the consignment B、a three-digit prefix identifying the carrier C、the main portion identifying the carrier D、the last check digit for accounting and security purposes
A、one-half the SWL of the main towing hawser B、three-fourths the SWL of the main towing hawser C、that of the main towing hawser D、twice that of the main towing hawser
A、A main query can have more than one subquery. B、A subquery can have more than one main query. C、The subquery and main query must retrieve data from the same table. D、The subquery and main query can retrieve data from different tables. E、Only one column or expression can be compared between the subquery and main query. F、Multiple columns or expression can be compared between the subquery and main query.
A、A. A main query can have more than one subquery. B、B. A subquery can have more than one main query. C、C. The subquery and main query must retrieve data from the same table. D、D. The subquery and main query can retrieve data from different tables. E、E. Only one column or expression can be compared between the subquery and main query. F、F. Multiple columns or expression can be compared between the subquery and main query.