Which two data types can be converted to LOBs using an ALTER TABLE… MODIFY command?() ["RAW","LONG","VARCHAR","LONG RAW"]
通过建立一个最终软件库DSL,组织所能获得的最重要的好处是什么() ["只有经过测试和确认的软件版本才能在组织内部使用","DSL的负责人有权决定哪些软件可以在组织内部使用","用户可以从那些收到质量控制并通过认证的软件中选择","更多的软件版本可以提供给用户"]
我国消费者组织的职能有哪些?
The EMPLOYEES table contains these columns: EMPLOYEE_ID NUMBER(4) LAST_NAME VARCHAR2 (25) JOB_ID VARCHAR2(10) You want to search for strings that contain 'SA_' in the JOB_ID column. Which SQL statement do you use?() ["SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA\\_%' ESCAPE '\\';","SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_';","SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_' ESCAPE "\\";","SELECT employee_id, last_name, job_id FROM employees WHERE job_id = '%SA_'"]
()是企业实施CRM的前提。
总线是连接()、()和()的公共信息通道。通常由三部分组成:()、()、() 。