第1题：
What is the decimal value of the following 8-bit two's complement number? 1111 1001
A．-7
B．-3
C．3
D．7
第2题：
In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file： In what sequence would you use this process to perform the recovery？（）
第3题：
有如下程序，运行时输出的结果是 ______。 Option Base 1 Private Sub Command1_Click() Dim a(3,3) As Integer For m=1 To 3 For n=1 To 3 a(m-1，n-1)=m+n+1 Next n Next m For m=0 To 2 For n=0 To 2 Print a(n,m)； Next n Print Next m End Sub
A．0 1 2 1 2 3 2 3 4
B．3 4 5 4 5 6 5 6 7
C．1 3 5 3 5 7 5 7 9
D．2 4 6 4 6 8 6 8 10
第4题：
A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_seq START WITH 5 INCREMENT BY 5 CACHE 5 User1 successfully executes the following statements in Connection1: VALUES NEXT VALUE FOR my_seq INTO :con1hvar VALUES NEXT VALUE FOR my_seq INTO :con1hvar User2 successfully executes the following statement in Connection2: VALUES NEXT VALUE FOR my_seq INTO :con2hvar After User1 & User2 are finished, User3 executes the following statement in Connection3: SELECT NEXT VALUE FOR my_seq FROM sysibm.sysdummy1Which value will be returned by the query?（）
第5题：
Given table T1 has column I1 containing the following data: I1 1 2 3 4 If the following sequence of SQL statements is applied within a single unit of work: UPDATE t1 SET i1 = 3 WHERE i1 = 2; S AVEPOINT s1 ON ROLLBACK RETAIN CURSORS; UPDATE t1 SET i1 = 5 WHERE i1 = 3; SAVEPOINT s2 ON ROLLBACK RETAIN CURSORS;INSERT INTO t1 (i1) VALUES (6); ROLLBACK TO SAVEPOINT s1; UPDATE t1 SET i1 = 2 WHERE i1 = 4; COMMIT; What is the expected sequence of values returned from?（） SELECT i1 FROM t1 ORDER BY i1
第6题：
Given the following ALTER SEQUENCE statement: ALTER SEQUENCE myseq RESTART WITH 0 INCREMENT BY 1 NO MAXVALUE CACHE 5 ORDER Assuming that the sequence had reached a value of 100 prior to the RESTART, which of the following is true?（）
第7题：
You are maintaining your database in Oracle10g. You are performing an incomplete recovery because the tablespace， DATA1， was dropped and purged from the Recycle Bin. After performing an incomplete recovery， you open the database with the RESETLOGS option. What will NOT be the impact of using the RESETLOGS option？（）
第8题：
A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO:con1hvarWhat is the current value of the :con1hvar host variable?（）
A.2
B.3
C.11
D.30
第9题：
A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO:con1hvarWhat is the current value of the :con1hvar host variable?（）
第10题：
Following is the list of locations in random order where oranfstab can be placed. 1./etc/mtab 2.$ORACLE_HOME/dbs/oranfstab 3./etc/oranfstab What is the sequence in which Direct NFS will search the locations？（）