题目内容
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[主观题]
不考虑分子的振动自由度，刚性双原子分子和刚性多原子分子的自由度分别为______、______。
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打开过程文件BAG．prg的命令是______。
A．OPEN PROCED URE BAG .prg
B． SET PROCEDURE TO
C．SET PROCEDURE BAG .prg
D．SET PROCEDURE TO BAG .prg
更多“不考虑分子的振动自由度，刚性双原子分子和刚性多原子分子的自由…”相关的问题
第2题
You are the administrator of a SQL Server 2000 database. Using the default options configu
res the database. You drop indexes to facilitate a large import of data, and rebuild them after the import is complete.
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Users report that response times from a stored procedure have become slower. In the stored procedure, you examine the following code.
CREATE PROCEDURE GetCustomer
(@CustomerID Int )
AS
SELECT FirstName, LastName, Address1, Address2, City,
State, Zip, MAX(PurchaseDate) AS LastPurchase
FROM Customers C
JOIN Addresses A ON A.AddressID = C.AddressID
JOIN Purchases P ON P.CustomerID = C.CustomerID
WHERE C.CustomerID = @CustomerID
GROUP BY FirstName, LastName, Address1, Address2, City, State, Zip
You want to improve the performance of the procedure by using the least amount of administrative effort. What should you do？
A．Recompile the stored procedure.
B．Update the database statistics.
C．Check the consistency of the database and repair errors.
D．Create a view and modify the stored procedure to use the view.
第3题
创建存储过程，执行存储过程，修改存储过程和删除存储过程使用的命令分别是:（)。
A、CREATE PROCEDURE; EXECUTE; ALTER PROCEDURE; DROP PROCEDURE
B、CREATE PROCEDURE; EXECUTE; UPDATE PROCEDURE; DROP PROCEDURE
C、CREATE PROCEDURE; EXECUTE; UPDATE PROCEDURE; DELECT PROCEDURE
D、CREATE PROCEDURE; EXECUTE; ALTER PROCEDURE; DELECT PROCEDURE
第4题
Given the following statements:CREATE TABLE tab1 （col1 INT); CREATE TABLE tab2 （col1 INT);
Given the following statements:CREATE TABLE tab1 (col1 INT); CREATE TABLE tab2 (col1 INT); CREATE TRIGGER trig1 AFTER UPDATE ON tab1 REFERENCING NEW AS new1 FOR EACH ROW MODE DB2SQL INSERT INTO tab2 VALUES(new1.col1); INSERT INTO tab1 VALUES(2),(3);What is the result of the following query？ SELECT count(*) FROM tab2;（）
A.3
B.2
C.1
D.0
第5题
You create a Web site that is for members only. The Web site allows members to create list
s of users that have access to information about member profiles. The name of the list is stored in the listName variable. The user name of the user to whom access is given is stored in the username variable.You need to enable members to manage their lists of users.Which code segment should you use？（）
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A.
B.
C.
D.
第7题
Describe the procedure of direct bonds according to the numbers given in the following cha
rter. Write your answer on the ANSWER SHEET.
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