小张最近获得了一项专利技术,并且拥有丰富的工作经验和一定量的客户群,他适宜采用()的形式创业。 购买一家现存企业。 创建一家新企业。 家族企业。 加盟连锁店。
简述发达国家对食品安全卫生控制的两个趋势。
The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POSTAL_CODE VARCHAR2(12) CUSTOMER_PHONE VARCHAR2(20) A promotional sale is being advertised to the customers in France. Which WHERE clause identifies customers that are located in France?() WHERE lower(country_address) = "france"。 WHERE lower(country_address) = 'france'。 WHERE lower(country_address) IS 'france'。 WHERE lower(country_address) = '%france%'。 WHERE lower(country_address) LIKE %france%。
老张是某家电公司的销售部经理,因为与新来的总经理意见不合,决定辞职,自己创业当老板。最适宜于他的创业途径是() 购买现存企业。 创建新企业。 加盟一家连锁店。 创建家电行业的新企业。
男性,45岁。腰麻注药后,先感胸闷,继而心慌、烦躁、恶心、呕吐,血压下降,随后呼吸困难,首先考虑为() 中毒反应。 过敏反应。 注射药物过快。 剂量过大。 麻醉平面过高。
In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected?()