开井时，控制屏总开关合上后，要求工作电压为（） 1.15KV。 1.5KV。 1.1KV。 0.11KV。
Examine the data from the ORDERS and CUSTOMERS tables. ORDERS ORD_ID ORD_DATE CUST_ID 12-JAN- 100 15 10000 09-MAR- 101 40 8000 09-MAR- 102 35 12500 15-MAR- 103 15 12000 25-JUN- 104 15 6000 18-JUL- 105 20 5000 106 18-JUL- 35 7000 21-JUL- 107 20 6500 04-AUG- 109 10 8000 CUSTOMERS CUST_ID CUST_NAME CITY 10 Smith Los Angeles 15 Bob San Francisco 20 Martin Chicago 25 Mary New York 30 Rina Chicago 35 Smith New York 40 Lind New York Evaluate the SQL statement: SELECT * FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = 'Smith'); What is the result when the query is executed?（） ORD_ID ORD_DATE CUST_ID ORD_TOTAL 09-MAR- 102 35 12500 18-JUL- 106 35 7000 04-AUG- 108 10 8000。 ORD_ID ORD_DATE CUST_ID ORD_TOTAL 09-MAR- 102 35 12500 18-JUL- 106 35 7000。 ORD_ID ORD_DATE CUST_ID ORD_TOTAL 04-AUG- 108 10 8000。 The query fails because the subquery returns more than one row.。 The query fails because the outer query and the inner query are using different tables.。
关节松动术的适应证：（） 关节疼痛。 肌肉紧张。 进行性关节活动受限。 肌肉痉挛。 功能性关节制动。
You create the sales report and run it in the live previewer. After which change would the live previewer require the data? （） Removing column from the available list in the report wizard. 。 Removing the column from the displayed list in the report wizard. 。 Changing the display width of a column in the report wizard. 。 Adding a column to both the available list and displayed list in the report wizard. 。 Removing a column in the live previewer.&e。
A WebLogic team is developing an enterprise application from their desktop WebLogic environment. All development systems are connected to the same eight data sources for testing. As a WebLogic Administrator supporting this team, which two actions should you perform to free the developers from creating and configuring all the data sources on their desktop WebLogic environment?（） Provide the team with a WebLogic domain template with the testing data sources configured.。 Provide the development team with a preconfigured domain archive file.。 Provide the development team with the [datasource] -jdbc.xml file to overwrite their local copy.。 Create the data sources on behalf each of the developer.。 Provide the development team with WLST scripts to create and configure the testing data sources.。
Which two statements are true regarding the usage of the SQL*Loader utility（）
