吉大12春《数据库应用技术》在线作业二

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一、单选题（共 25 道试题，共 100 分。）V 1.  对于支持小规模的部门级应用，这些应用不需要存取驻留在OS/400、OS/390等平台上的远程数据库，则需要哪种级别的DB2 产品？
5 Q0 f! n0 |& C* ?( V" R6 kA. 企业版
0 r; t: |) D" {) n4 hB. 工作组版
8 `' j0 G  s( P' ?$ J7 M9 P  t) \C. 企业扩展版
D. 个人版
E. 卫星版
F. 微型版
      满分：4  分
2.  下面哪一工具允许用户开发存储过程？
A. 控制中心
4 \( m* m) |5 b( ~, E3 HB. 命令中心
C. 任务中心
4 {! n, u2 l1 w% R9 n. UD. 开发中心
# x9 f, r. E' ~5 _  E; wE. 健康中心
6 B! l; t* q+ b% a; ~8 A% z/ E      满分：4  分
3.  SQL语言具有（）功能。
! f0 @& c- g  S( g/ w- XA. 关系规范化、数据操纵、数据控制
B. 数据定义、数据操纵、数据控制
0 j1 c: x/ I0 F1 r, S: YC. 数据定义、关系规范化、数据控制
3 [/ C: `4 F, C" |D. 数据定义、关系规范化、数据操纵
      满分：4  分
4.  对于UNIX和Intel平台上的数据库应用，如果需要存取OS/400、VM/VSE和OS/390系统上的数据库，需要DB2哪种产品的支持？
A. DB2 Connect
; d: G+ w7 E; |& I0 r9 X, w4 |B. DB2 DataPropagator
5 o) a& |3 @6 G7 i5 L1 W& QC. DB2 Net.Data
! `  o, g3 h( ~7 E) m' z4 ^D. DB2 DataJoiner
  V1 b0 V5 e: KE. DB2 Relational Connect
) D" B7 U* ]( w: @6 r      满分：4  分
5.  An ODBC/CLI application has the following pseudocode: SQLAllocHandle( SQL_HANDLE_DBC, hEnv, &hDbc ) SQLConnect( hDbc, "CERTDB", SQL_NTS, "user1", SQL_NTS, "passwd", SQL_NTS ) SQLAllocHandle( SQL_HANDLE_STMT, hDbc, &hStmt ) SQLExecDirect( hStmt, "SET CURRENT SQLID db2cert", SQL_NTS ) Assuming all of the above calls execute successfully, which of the following fully qualified SQL statements is equivalent to: SQLExecDirect( hStmt, "SELECT * FROM user1.table1 t1, table2 t2 WHERE t1.col1=t2.col2", SQL_NTS )
A. SQLExecDirect( hStmt, "SELECT * FROM user1.table1 t1, table2 t2 WHERE t1.col1=t2.col2", SQL_NTS )
' N1 g: f0 e) }; ZB. . SQLExecDirect( hStmt, "SELECT * FROM user1.table1 t1, user1.table2 t2 WHERE t1.col1=t2.col2", SQL_NTS )
C. . SQLExecDirect( hStmt, "SELECT * FROM user1.table1 t1, db2cert.table2 t2 WHERE t1.col1=t2.col2", SQL_NTS )
! G8 y  _. y4 [% }3 rD. . SQLExecDirect( hStmt, "SELECT * FROM db2cert.table1 t1, db2cert.table2 t2 WHERE t1.col1=t2.col2", SQL_NTS )
      满分：4  分
6.  Which of the following is used to run an embedded dynamic SQL UPDATE statement?
A. UPDATE
B. . PREPARE
+ o) [% J; J7 t6 h, F$ W; ZC. . DECLARE
D. . EXECUTE
      满分：4  分
7.  给出下面信息: CREATE TABLE tab1 (c1 char(3) WITH DEFAULT NULL, c2 INTEGER); INSERT INTO tab1(c2) VALUES (‘345’); 如果在命令行处理器（CLP）中执行以下语句，以下哪个结果是正确的？ SELECT * FROM tab1;
A. C1 C2 --- ----------- 0 record(s) selected.
! f  m  n8 v2 C" ZB. C1 C2 --- ----------- 123 345 1 record(s) selected.
C. C1 C2 --- ----------- 345 1 record(s) selected.
* j5 d9 o! A) yD. C1 C2 --- ----------- - 345 1 record(s) selected.
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" V# J5 C0 s3 v' O& }8.  Which of the following privileges is required to successfully execute a Java stored procedure that uses JDBC to update several different tables?
A. The user must have UPDATE privilege on the referenced tables.
B. The developer must have EXECUTE privilege on the stored procedure.
# u7 l9 b/ Q" cC. The user must have UPDATE privilege on the referenced tables and EXECUTE privilege on the stored procedure.
9 Q& I, M! L4 ?: C+ X) @. r% V7 q% lD. The developer must have UPDATE privilege on the referenced tables and EXECUTE privilege on the stored procedure.
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' `- @8 N/ h+ Q8 K# O0 W/ {9.  当FROM子句中出现多个基本表或视图时，系统将执行什么操作？
3 \. h5 z1 L! f* O8 mA. 并
B. 等值联接
C. 自然联接
D. 笛卡儿积
% G5 G8 l1 y  N# e8 X. x9 C8 }% e      满分：4  分
10.  Given the following code: BEGIN ATOMIC UPDATE country SET cities=:count WHERE CURRENT OF C1; INSERT INTO country VALUES(:co11,:co12,:co13); INSERT INTO country VALUES(:co14,:co15,:co16); INSERT INTO country VALUES(:co17,:co18,:co19); INSERT INTO country VALUES(:co110,:co111,:co112); COMMIT; END Given that all statements succeed except the following: INSERT INTO country VALUES(:co17,:co18,:co19); How many rows will be affected in table COUNTRY?
4 ?3 j3 D3 v3 \/ R1 |( X0 ?A. 0
B. 3
C. 4
D. 5
      满分：4  分
! e! _; e& c! b; ~8 R11.  Which of the following produces a sequentially increasing number, suitable for use as a primary key?
/ a: s( o6 N0 L$ I  I+ D2 z4 CA. ROWID data type
B. Generated IDENTITY column
C. GENERATE_UNIQUE built-in function
D. CURRENT SEQUENCE special register
9 p7 A3 p& y9 l$ e, u9 H      满分：4  分
! }2 y; V, W! H. [' T12.  发人员开发访问后台AIX上的DB2的windows程序，需要在windows开发平台上安装：
A. DB2运行时间客户端
B. DB2管理客户端
C. DB2应用程序开发客户端
D. DB2瘦客户端
; |/ g" q9 i; [' Q      满分：4  分
13.  如果需要创建一个表，并把表中的索引数据和其他数据分开存储，则应该
5 f) g8 @4 d0 b$ f& |! ZA. 建立两个SMS表空间分别存储索引数据和其他数据
6 k2 {$ d4 b* U! Y1 B' E, NB. 建立两个DMS表空间分别存储索引数据和其他数据
C. 建立一个DMS表空间存储索引数据，再建立一个SMS表空间存储其他数据
  b. H% V0 L. \& b! i9 r' N4 qD. 建立一个SMS表空间存储索引数据，再建立一个DMS表空间存储其他数据
      满分：4  分
# B* C( X% a# }: Z; w14.  下述关于数据库系统的正确叙述是（）
A. 数据库中只存在数据项之间的联系
B. 数据库的数据项之间和记录之间都存在联系
) `4 a4 w, y# r; x6 b: pC. 数据库的数据项之间无联系，记录之间存在联系
9 F3 z. k5 [4 C1 A$ S" F# t8 uD. 数据库的数据项之间和记录之间都不存在联系
      满分：4  分
15.  E-R图中的联系可以与（）实体有关
A. 0个
0 s4 \; U/ X) X! d) H$ aB. 1个
C. 1个或多个
) _! T! {1 |: F- ID. 多个
      满分：4  分
0 \% q* k6 L4 l* `- U2 F16.  Given the table T1 with the following data: COL1 IDX ---- ---- A single-threaded CLI application executes the following pseudocode in sequence: SQLAllocHandle( SQL_HANDLE_ENV, NULL, &hEnv ) SQLAllocHandle( SQL_HANDLE_DBC, hEnv, &hDbc ) SQLConnect( hDbc, "SAMPLE", SQL_NTS, NULL, SQL_NTS, NULL, SQL_NTS ) SQLSetConnectAttr( hDbc, SQL_ATTR_AUTOCOMMIT, SQL_AUTOCOMMIT_ON ) SQLAllocHandle( SQL_HANDLE_STMT, hDbc, &hStmt ) SQLExecDirect( hStmt, "UPDATE table1 SET col1=10 WHERE idx=1", SQL_NTS ) SQLExecDirect( hStmt, "UPDATE table1 SET col1=20 WHERE idx=2", SQL_NTS ) SQLEndTran( SQL_HANDLE_DBC, hDbc, SQL_COMMIT ) SQLExecDirect( hStmt, "UPDATE table1 SET col1=30 WHERE idx=1", SQL_NTS ) SQLExecDirect( hStmt, "UPDATE table1 SET col1=40 WHERE idx=1", SQL_NTS ) SQLEndTran( SQL_HANDLE_DBC, hDbc, SQL_ROLLBACK ) SQLExecDirect( hStmt, "SELECT col1 FROM table1 WHERE idx=1", SQL_NTS ) Which of the following values for COL1 will be fetched when the sequence for the pseudocode listed above is successfully executed?
( R* d6 k% }/ S" fA. 10
! e: b  y' }- t9 d" U8 @( IB. 20
, h9 [. v4 R. B: w# @0 JC. 30
2 n0 s, }2 H+ T* q' F$ ?D. 40
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17.  Given the tables: COUNTRY id name 1 Argentina 3 Cuba 4 - NATION id name 2 Belgium 4 USA and the code: EXEC SQL DECLARE C1 CURSOR FOR SELECT * FROM country WHERE name IS NOT NULL UNION SELECT * FROM nation EXEC SQL OPEN C1 How many rows are in the result set?
0 V, e) k7 d" W' s1 ~) @% vA. 1
* n( ]3 o* n( B- ]$ z, Z' nB. 2
2 q0 q2 }* L4 q* z2 w6 p4 gC. 3
+ L/ S5 D# }7 H, Q. e/ g3 ]D. 4
      满分：4  分
18.  要对应用程序预编译并生成绑定文件，需要什么特权？
A. 数据库上的CONNECT特权
' `# m& ?( }* E% aB. 数据库上的BINDADD特权
  U: W& E% z+ EC. 程序包上的BIND特权
D. 程序包上的CONTROL特权
! t' P9 P! C3 }3 P      满分：4  分
7 O9 f4 f7 z6 y19.  An application uses embedded dynamic SQL to connect to a remote DB2 server and inserts data into the CUST.ORDERS table on that remote DB2 server. To enable access of the remote DB2 server, Administrator FOO needs to create a package with default options such that BAR is the only non-administrative user that can use this package on the remote DB2 server. Which statement describes the privileges that must be granted and/or revoked by FOO to accomplish this?
" d6 H# X! l1 ^; W# ^A. BAR requires EXECUTE privilege on the package and UPDATE privilege on CUST.ORDERS, and the EXECUTE privilege for the package must be revoked from PUBLIC.
8 u( \* r6 G4 ~B. BAR requires EXECUTE privilege on the package and INSERT privilege on CUST.ORDERS, and the EXECUTE privilege for the package must be revoked from PUBLIC.
C. BAR requires EXECUTE privilege on the package and INSERT privilege on CUST.ORDERS, and the REFERENCES privilege for the package must be revoked from PUBLIC.
D. BAR requires EXECUTE privilege on the package and UPDATE privilege on CUST.ORDERS, and the REFERENCES privilege for the package must be revoked from PUBLIC.
      满分：4  分
20.  缺省的数据库日志文件的类型是：
A. Circular Log
B. Archival Log
# r( B1 Z- _5 }1 ^# x8 o" iC. Primary Log
2 O8 i; p3 b' @! A  qD. Secondary log
, V; L: b! \  z7 U      满分：4  分
21.  如果一个用户USER1被授予了表TAB上的CONTROL特权，如果需要限制该用户对表的存取，应使用以下哪条命令？
& T5 B3 F/ a. G6 a) ^A. REVOKE ALL ON TAB TO USER1
B. REVOKE ALL ON TAB FROM USER1
# e6 N* i  b4 uC. REVOKE CONTROL ON TAB TO USER1
2 v& h* G% N2 J  @6 [, ^3 C0 W/ N0 ?D. REVOKE CONTROL ON TAB FROM USER1
      满分：4  分
. `2 l, ~) H1 h) p% v8 A; h22.  如果开发人员在AIX操作系统上开发访问后台AS400上的DB2数据库，则需要在AIX开发环境中安装：（）
1 o/ c  P1 a, H7 u6 MA. DB2个人开发版（PDE）
B. DB2通用开发版（UDE）
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23.  An application uses static SQL to connect to a remote DB2 server and inserts data into the CUST.ORDERS table on that remote DB2 server. To enable access to the remote DB2 server, FOO needs to create a package with default options so that BAR is the only non-administrative user that can use this package on the remote DB2 server. Which statement describes the privileges that FOO requires to accomplish this?
1 b% J& ^( k# n: }1 mA. FOO requires EXECUTE privilege on the package.
B. FOO requires the privilege to create the package on the remote DB2 server.
- n2 f5 q7 v0 u0 G8 ^C. FOO requires EXECUTE privilege on the package and INSERT privilege on CUST.ORDERS.
D. FOO requires the privilege to create the package on the remote DB2 server and INSERT privilege on CUST.ORDERS.
% h; h8 k/ s$ Z4 r4 c      满分：4  分
24.  设有两个事务T1，T2，其并发操作如下所示： T1： T2： 1） 读A=10，B=5 2） 读A=10 3） 读A=20，B=5 求和25 验证错正确的评价是哪个？
A. 该操作不存在问题
$ E: E1 c7 Q- n3 z! J' b0 i- PB. 该操作丢失000
C. 该操作不能重复读
D. 该操作读“脏”数据
/ c( V) @  W0 b      满分：4  分
25.  Which of the following will retrieve results that will only be in lower case?
A. SELECT NAME FROM EMPLOYEE WHERE NAME='ali'
4 X3 t- ^7 d. R, q) x6 h. G1 PB. SELECT NAME FROM EMPLOYEE WHERE LCASE(NAME)='ali'
5 t. I4 o$ {: D3 J, ?C. SELECT UCASE(NAME) FROM EMPLOYEE WHERE LCASE(NAME)='ali'
/ P9 m$ D: Y6 i1 ]D. SELECT NAME FROM EMPLOYEE WHERE NAME IN (SELECT NAME FROM EMPLOYEE WHERE LCASE(NAME)=LCASE('ALI'))
      满分：4  分
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" J& {) T! U' q5 o, R0 l谋学网: www.mouxue.com 主要提供奥鹏作业资料，奥鹏在线作业资料，奥鹏离线作业资料以及奥鹏毕业论文，致力打造中国最专业远程教育辅导社区。
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