练习一手工创建新报表
SELECT
DEPARTMENTS.DEPARTMENT_ID AS DEPARTMENT_ID1,
DEPARTMENTS.DEPARTMENT_NAME
FROM
DEPARTMENTS
SELECT
EMPLOYEES.FIRST_NAME,
EMPLOYEES.LAST_NAME,
EMPLOYEES.DEPARTMENT_ID
FROM
EMPLOYEES
练习二 使用公式进行数据计算
SELECT
CUSTOMERS.CUSTOMER_ID,
ORDERS.ORDER_ID,
ORDERS.ORDER_TOTAL
FROM
ORDERS,
CUSTOMERS
WHERE
CUSTOMERS.CUSTOMER_ID = ORDERS.CUSTOMER_ID
ORDER BY
CUSTOMERS.CUSTOMER_ID‘
例子三，使用公式
SELECT
CUSTOMERS.CUST_FIRST_NAME,
CUSTOMERS.CUST_LAST_NAME,
ORDERS.ORDER_ID,
ORDERS.ORDER_TOTAL
FROM
ORDERS,
CUSTOMERS
WHERE
CUSTOMERS.CUSTOMER_ID = ORDERS.CUSTOMER_ID
故意改小点
练习四
增加标题，&符号的使用
SELECT
EMPLOYEES.EMPLOYEE_ID,
EMPLOYEES.FIRST_NAME,
EMPLOYEES.LAST_NAME,
EMPLOYEES.SALARY,
EMPLOYEES.DEPARTMENT_ID
FROM
EMPLOYEES
ORDER BY
EMPLOYEES.DEPARTMENT_ID,
EMPLOYEES.EMPLOYEE_ID
&DEPARTMENT_ID 部门工资总额总计:
查看生成的报表
增加标题
也可以放入下面
练习五 使用汇总列与引用到标题
SELECT
EMPLOYEES.FIRST_NAME,
EMPLOYEES.LAST_NAME,
EMPLOYEES.SALARY,
EMPLOYEES.DEPARTMENT_ID,
EMPLOYEES.JOB_ID
FROM
EMPLOYEES
ORDER BY
EMPLOYEES.DEPARTMENT_ID
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