结合我国小企业的现状分析其面临的市场机遇与挑战。
税收法律关系是指通过（）规范确认和调整的，国家、税务机关和税务管理相对人之间在税务活动中发生的具有权利义务内容的社会关系。 ["宪法","刑法","民法","税法"]
You work as a database administrator for Supportcenter.cn. One of the database users accidentally deleted all the rows of a critical table and committed the delete at 1：30 p.m. You senior database administrator， SupportCenter， asks you to retrieve the lost data. Which two actions would you use to ensure that there is no impact on other connected users while retrieving the deleted rows？（） ["Use a flashback query to retrieve the rows that were deleted","Useconventialincremental export and then import the affected object","Shutdown the database inNORMALmode and restart the database instance","Use DBMS_META package to reconstruct the object using undo segments","UseTablespacePoint in Time Recovery （TSPITR） method to recover the table and the data","Use Oracle DataPumptwithflashback_timeoption toentableflashback export and then import the affected object."]
What is true about the WITH GRANT OPTION clause?（） [" It allows a grantee DBA privileges."," It is required syntax for object privileges."," It allows privileges on specified columns of tables."," It is used to grant an object privilege on a foreign key column."," It allows the grantee to grant object privileges to other users and roles."]
试举例分析小企业管理包含的内容。
影响细菌生长繁殖的主要因素有哪些？
