最新的IBM DB2 9.7 Application Development - C2090-543免費考試真題
問題1
Click the Exhibit button. VEMPLOYEE
EMPNO CHAR(6) LASTNAME VARCHAR(30) SALARY DEC(9,2) DEPTNO CHAR(3) VDEPARTMENT
DEPTNO CHAR(3) DEPTNAME VARCHAR(20) MGRNO CHAR(6) VPROJECT
PROJNO CHAR(6) PROJNAME VARCHAR(20) DEPTNO CHAR(6)
RESPEMP CHAR(6)
A JOIN operation references three views in the exhibit; the SELECT statement used does not
contain a WHERE clause.
When the SELECT statement is executed, what will the result set contain?
EMPNO CHAR(6) LASTNAME VARCHAR(30) SALARY DEC(9,2) DEPTNO CHAR(3) VDEPARTMENT
DEPTNO CHAR(3) DEPTNAME VARCHAR(20) MGRNO CHAR(6) VPROJECT
PROJNO CHAR(6) PROJNAME VARCHAR(20) DEPTNO CHAR(6)
RESPEMP CHAR(6)
A JOIN operation references three views in the exhibit; the SELECT statement used does not
contain a WHERE clause.
When the SELECT statement is executed, what will the result set contain?
正確答案: D
問題2
What is the final result of executing the statements shown below?
CREATE SEQUENCE order_seq
START WITH 100
INCREMENT BY 25
MAXVALUE 150
CYCLE;
VALUES NEXT VALUE FOR order_seq;
VALUES NEXT VALUE FOR order_seq;
VALUES NEXT VALUE FOR order_seq;
VALUES NEXT VALUE FOR order_seq;
CREATE SEQUENCE order_seq
START WITH 100
INCREMENT BY 25
MAXVALUE 150
CYCLE;
VALUES NEXT VALUE FOR order_seq;
VALUES NEXT VALUE FOR order_seq;
VALUES NEXT VALUE FOR order_seq;
VALUES NEXT VALUE FOR order_seq;
正確答案: A
問題3
Click the Exhibit button.
CONNECT TO test;
CREATE TABLE colors(id INT NOT NULL PRIMARY KEY,
descVARCHAR(12));
CREATE TABLE fruits(desc VARCHAR(12),
c_idINT REFERENCES colors (id)
ON UPDATE RESTRICT);
INSERT INTO colors VALUES (1, 'Red'), (2, 'Yellow'), (3, 'Blue');
INSERT INTO fruits VALUES ('Apple', 1), ('Banana', 2);
CONNECT RESET;
A DB2 Command Line Processor script file containing the commands and statements shown in
the exhibit was executed successfully.
The statement shown below is executed:
UPDATE colors SET id = id - 1;
How many rows will be modified in the COLORS table?
CONNECT TO test;
CREATE TABLE colors(id INT NOT NULL PRIMARY KEY,
descVARCHAR(12));
CREATE TABLE fruits(desc VARCHAR(12),
c_idINT REFERENCES colors (id)
ON UPDATE RESTRICT);
INSERT INTO colors VALUES (1, 'Red'), (2, 'Yellow'), (3, 'Blue');
INSERT INTO fruits VALUES ('Apple', 1), ('Banana', 2);
CONNECT RESET;
A DB2 Command Line Processor script file containing the commands and statements shown in
the exhibit was executed successfully.
The statement shown below is executed:
UPDATE colors SET id = id - 1;
How many rows will be modified in the COLORS table?
正確答案: B
問題4
Using the default lock timeout and isolation level, user USER1 drops table TABLE1 however, the transaction is not committed. Subsequently, user USER2 attempts to access table TABLE1 using the default isolation level. What will occur?
正確答案: C
問題5
In a PHP script, which ibm_db2 functions can be used to retrieve the result set of a query executed against a database table?
正確答案: A
問題6
Click the Exhibit button.
CREATE TABLE store(sid INTEGER, info XML);
INSERT INTO store VALUES (1,
'<storeinfo sid="1">
<name>ABCDEF</name>
</storeinfo>');
INSERT INTO store VALUES (2,
'<storeinfo sid="2">
<name>FEDCBA</name>
</storeinfo>');
Given the statements shown in the exhibit, a user executes the query shown below:
XQUERY for $store in db2-fn:xmlcolumn('STORE.INFO')/storeinfo
let $name := fn:substring($store/name, 1, 3),
$lcase := fn:lower-case($name)
return $lcase
What is the output?
CREATE TABLE store(sid INTEGER, info XML);
INSERT INTO store VALUES (1,
'<storeinfo sid="1">
<name>ABCDEF</name>
</storeinfo>');
INSERT INTO store VALUES (2,
'<storeinfo sid="2">
<name>FEDCBA</name>
</storeinfo>');
Given the statements shown in the exhibit, a user executes the query shown below:
XQUERY for $store in db2-fn:xmlcolumn('STORE.INFO')/storeinfo
let $name := fn:substring($store/name, 1, 3),
$lcase := fn:lower-case($name)
return $lcase
What is the output?
正確答案: E
問題7
Click the Exhibit button.
UPDATE DBM CFG USING FEDERATED YES;
db2stop;
db2start;
CONNECT TO test;
CREATE WRAPPER oledb LIBRARY 'db2oledb';
CREATE SERVER nwind
WRAPPER oledb
OPTIONS (CONNECTSTRING 'Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=f:Northwind.mdb;', COLLATING_SEQUENCE 'Y');
CREATE FUNCTION nwind.customers()
RETURNS TABLE (customerid CHAR(5),
companynameVARCHAR(40),
contactnameVARCHAR(30),
contacttitleVARCHAR(30),
address VARCHAR(60),
city VARCHAR(15),
region VARCHAR(15),
postalcodeVARCHAR(15),
country VARCHAR(24),
phone VARCHAR(24),
fax VARCHAR(24))
LANGUAGE OLEDB
EXTERNAL NAME 'nwind!customers';
COMMIT;
CONNECT RESET;
A DB2 Command Line Processor script file containing the commands and statements shown in
the exhibit was executed successfully.
Which statement can be used to verify that an OLE DB table function designed to retrieve data
from the CUSTOMERS table of the NORTHWIND Microsoft Access database was created
successfully?
UPDATE DBM CFG USING FEDERATED YES;
db2stop;
db2start;
CONNECT TO test;
CREATE WRAPPER oledb LIBRARY 'db2oledb';
CREATE SERVER nwind
WRAPPER oledb
OPTIONS (CONNECTSTRING 'Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=f:Northwind.mdb;', COLLATING_SEQUENCE 'Y');
CREATE FUNCTION nwind.customers()
RETURNS TABLE (customerid CHAR(5),
companynameVARCHAR(40),
contactnameVARCHAR(30),
contacttitleVARCHAR(30),
address VARCHAR(60),
city VARCHAR(15),
region VARCHAR(15),
postalcodeVARCHAR(15),
country VARCHAR(24),
phone VARCHAR(24),
fax VARCHAR(24))
LANGUAGE OLEDB
EXTERNAL NAME 'nwind!customers';
COMMIT;
CONNECT RESET;
A DB2 Command Line Processor script file containing the commands and statements shown in
the exhibit was executed successfully.
Which statement can be used to verify that an OLE DB table function designed to retrieve data
from the CUSTOMERS table of the NORTHWIND Microsoft Access database was created
successfully?
正確答案: A
問題8
Which CLI/ODBC function would be used to update multiple rows in a table?
正確答案: B
問題9
Click the Exhibit button.
CREATE TABLE gradereport(sid INTEGER, info XML);
INSERT INTO gradereport VALUES (1,
'<studentinfo sid="1">
<name>John Smith</name>
<honours>No</honours>
<grades>
<course><name>ECE100</name><grade>80</grade></course>
<course><name>CSC100</name><grade>70</grade></course>
<course><name>MAT100</name><grade>75</grade></course>
</grades>
<phone type="mobile">416-333-8725</phone>
</studentinfo>');
Given the statements shown in the exhibit, a user wishes to obtain the following result:
<student><name>John Smith</name><phone>416-333-8725</phone></student>
Which query can the user execute to achieve this?
CREATE TABLE gradereport(sid INTEGER, info XML);
INSERT INTO gradereport VALUES (1,
'<studentinfo sid="1">
<name>John Smith</name>
<honours>No</honours>
<grades>
<course><name>ECE100</name><grade>80</grade></course>
<course><name>CSC100</name><grade>70</grade></course>
<course><name>MAT100</name><grade>75</grade></course>
</grades>
<phone type="mobile">416-333-8725</phone>
</studentinfo>');
Given the statements shown in the exhibit, a user wishes to obtain the following result:
<student><name>John Smith</name><phone>416-333-8725</phone></student>
Which query can the user execute to achieve this?
正確答案: D
問題10
Which two SQL statements demonstrate the correct usage of a parameter marker? (Choose two.)
正確答案: C,D
