A．t which stage of the ETL should data be profiled?

简述应该在ETL的哪个步骤来实现概况分析？

[单选题]Which of the following is not the stage of programming? (74)(74) A． write a programB． print the messageC．compile the programD．debug the program

[单选题]Which of the following activities can be adopted at the pre-reading stage?A

[单选题]____ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.A．The watch keeping personnelB．The chief engineerC．The person on a bunker bargeD．The duty deck officer

[单选题]Which system should be supplied to obtain the best efficiency and lowest emissions?A．Lean combustion principleB．Fuel oil systemC．Electrical control systemD．Electronic control system

[主观题]which machineries and spare parts should the third engineer be in charge of ?

[单选题]Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .A．Reduce engine speed to idle before removing the filterB．Soak the dirty filter in kerosene onlyC．Blow out the air inlet wi

[单选题]Which of the following activities can be adopted at the pre-reading stage?A

[单选题]Which operation should be done when launching an inflatable liferaft by hand?（）A . Open the liferaft casingB . Turn the valve on the CO2 cylinder to start inflationC . Make sure the operating cord is secured to the vessel before throwing it over the

[单选题]10 Which of the following costs should be included in valuing inventories of finished goods held by a manufacturingcompany, according to IAS2 Inventories?1 Carriage inwards.2 Carriage outwards.3 Depreciation of factory plant.4 Accounts department cos

[单选题]Which emergency equipment should you keep near the towing bitts（）.A . A self-contained breathing apparatusB . A boat hook and a spanner wrenchC . A fire ax and/or cutting torchD . A Stokes litter basket