Examine the data from the ORDERS and CUSTOMERS table.Which SQL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin places his orders?（）A.B.C.D.

题目

Examine the data from the ORDERS and CUSTOMERS table.Which SQL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin places his orders?（）

A.

B.

C.

D.

相似考题

1.JDBC中,Statement可以用于执行不带参数的简单SQL语句。()

2.On your Oracle 12c database, you Issue the following commands to create indexesSQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id) INVISIBLE;SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customers_id, sales_rep_id);Which two statement are correct?（）A. Both the indexes are created; however, only the ORD_COSTOMER index is visible.B. The optimizer evaluates index access from both the Indexes before deciding on which index to use for query execution plan.C. Only the ORD_CUSTOMER_IX1 index is created.D. Only the ORD_CUSTOMER_IX2 index is created.E. Both the indexes are updated when a new row is inserted, updated, or deleted In the orders table.

3.On your Oracle Database, you issue the following commands to create indexes:SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customer_id, sales_rep_id) INVISIBLE;SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customer_id, sales_rep_id);Which two statements are true?（）A. Only the ORD_CUSTOMER_IX1 index created.B. Both the indexes are updated when a row is inserted, updated, or deleted in the ORDERS table.C. Both the indexes are created: however, only ORD_CUSTOMERS_IX1 is used by the optimizer for queries on the ORDERS table.D. The ORD_CUSTOMER_IX1 index is not used by the optimizer even when the OPTIMIZER_USE_INVISIBLE_INDEXES parameters is set to true.E. Both the indexes are created and used by the optimizer for queries on the ORDERS table.F. Both the indexes are created: however, only ORD_CUSTOMERS_IX2 is used by the optimizer for queries on the ORDERS table.

4.Statement是PreparedStatement的父接口。Statement对象用于执行不带参数的简单SQL语句;PreparedStatement对象用于执行预编译SQL语句。()此题为判断题(对，错)。

更多“Examine the data from the ORDERS and CUSTOMERS table.Which SQL statement retrieves the ord ”相关问题

  • 第1题：

    下列选项中，关于Statement描述错误的是（）

    A．Statement是用来执行SQL语句的

    B．Statement是PreparedStatement的子接口

    C．获取Statement实现需要使用Connection的createStatement()方法

    D．PreparedStatement能使用参数占位符，而Statement不行


    Statement是PreparedStatement的子接口

  • 第2题：

    下列选项中,关于Statement描述错误的是（)

    A．Statement是用来执行SQL语句的

    B．Statement是PreparedStatement的子接口

    C．获取Statement实现需要使用Connection的createStatement()方法

    D．PreparedStatement能使用参数占位符,而Statement不行


    Statement是PreparedStatement的子接口

  • 第3题：

    Statement对象本身包含SQL语句。


    错误

  • 第4题：

    7、Statement对象提供了执行基本SQL语句的功能。


    正确

  • 第5题：

    （）接口继承了Statement接口，用来执行预编译的SQL语句。


    错误

  • 第6题：

    3.下列选项中，关于Statement描述错误的是（） A: Statement是用来执行SQL语句的 B: Statement是PreparedStatement的子接口 C: 获取Statement实现需要使用Connection的createStatement（)方法 D: PreparedStatement能使用参数占位符，而Statement不行

    A．A B C D

    B．A B C D

    C．A B C D

    D．A B C D


    Statement 是 PreparedStatement 的子接口

相关内容