What does the FORCE option for creating a view do? （） creates a view with constraints。 creates a view even if the underlying parent table has constraints。 creates a view in another schema even if you don't have privileges。 creates a view regardless of whether or not the base tables exist。
人在欢乐时手舞足蹈、捧腹大笑，悲痛时捶胸顿足，这是（） 声调表情。 身段表情。 面部表情。 激情表情。
Where can the Open Source prerequisite filesets that allow the installation of the Firefox Web browser be found？（） Fix Central。 IBM AIX Toolbox。 AIX Expansion Pack。 Common base AIX CD。
以该公司未来的盈利水平为基础对欲出售的小企业价值评估称谓（）。 市场价值评估法。 资产价值评估法。 盈利能力评估法。 现金流量折现技术。
View the Exhibit and examine the user information. The user has been granted CONNECT and RESOURCEroles and no individual system privileges. The SL_REP user executes this command to create a table:SQL> CREATE TABLE orders(oid number(6), odate date, ccode number(4), oamt number(10,2))TABLESPACE purchase_space; The PURCHASE_SPACE tablespace already exists in the database. Which statement describes the effect ofthe command（） The command executes successfully and creates the table in the USERS tablespace.。 The command executes successfully and creates the table in the PURCHASE_SPACE tablespace.。 The command produces an error because the user does not have the privilege to create the table.。 The command produces an error because the user does not have quota in the PURCHASE_SPACEtablespace.。
填写倒闸操作票时（）。
