数据集中的数据表名称是不区分大小写的，ds.Tables（"Employees"）和ds.Tables（"employees"）是同一个表。
在oracle数据库中，你想访问EMPLOYEE表中的employee列该列的数据存储在操作系统文件中，你需要在表中增加一列，选择什么数据类型？（）
Selectcount（*）from employee语句得到的结果是（）。
You want to access employee details contained in flat files as part of the EMPLOYEE table. You plan to add anew column to the EMPLOYEE table to achieve this. Which data type would you use for the new column（）
You want to access employee details contained in flat files as part of the EMPLOYEE table. You planto add a new column to the EMPLOYEE table to achieve this. Which data type would you use for the new column（）
Examine the structure if the EMPLOYEES and NEW EMPLOYEES tables: https://assets.asklib.com/images/image2/201808011552157673.jpg Which MERGE statement is valid?（）
数据集中的数据表名称是区分大小写的，ds.Tables（"Employees"）和ds.Tables（"employees"）不是同一个表。
You own a table called EMPLOYEES with this table structure: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE What happens when you execute this DELETE statement? DELETE employees; （）
Companies that maintain employees who are dissatisfied and negative about their work environment are said to have negative or low employee morale.
New employee orientation is the process a company use for showing a new employee around of the organization.
已知类的继承关系如下：class Employee;class Manager extends Employeer;class Director extends Employee;则以下语句能通过编译的有哪些？
employee的表结构为：职工号，单位号，工资，与select * from employee where 工资>=10000 and 工资<=12000等价的SQL命令是____________。
If an employee observes unethical behavior in an organization, the employee is first obligated to ________.
CorporategovernanceintheUKmediatestherightsanddutiesamong(),employees,creditorsanddirectors.
设有如下定义： struct employee
你是公司会计数据库的开发者。数据库包含一个名叫Employees的表。Tom是会计部门的一个成员。Tom的数据库用户帐户对表Employees里的列Salary和BonusPercentage的SELECT权限被拒绝，被授予对其他列的SELECT权限。Tom现在要求访问Employees表里的所有数据。你该怎么做？
已知定义public class Employee public class Manager extends Employee public class Contr已知定义public class Employee public class Manager extends Employee public class Contractor extends Employee Employee e=new Employee（）
以下的SQL 99语句，Dept与Employee之间的关系是（63)。 CREATE TYPE Employee（name string,
Scott McDonald fired one of his employees because the employee
以下的SQL 99 语句， Dept 与Employee 之间的关系是（）CREATETYPEEmployee（namestring,ssninteger）;CREATETYPEDept（NamestringHeadref（Employee）SCOPEEmployee）
The Zest Industries had a total of 600 employees whore signed in 2019, the total amount of employees was6000, with 5500 full time employees.Please calculate the voluntary separation rate of Zest Industries in 2019_______
Responsibilities of the employees：
The EMPLOYEES table contains these columns:EMPLOYEE_ID NUMBER（4)LAST_NAME VARCHAR2 （25)JOB
Examine the data of the EMPLOYEES table.EMPLOYEES （EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)Evaluate this SQL statement:What is its output？（）
