当前分类： IBM(000-730)
问题：单选题To which of the following resources can a lock be applied?（）A RowB AliasC BitmapD Column...
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问题：单选题Which of the following is a characteristic of a sequence?（）A A sequence will never generate duplicate valuesB The MAXVALUE of a sequence can be equal to the MINVALUEC It is not possible to create a sequence that generates a constant since the INCREMENT...
问题：单选题A UDT is a data type which:（）A must contain unique values.B cannot be CAST to other data types.C is created using the CREATE DISTINCT command.D contains a value that was automatically calculated from values in other columns....
问题：单选题Which of the following describes the objects of a DB2 database and their relationships?（）A InstanceB Table spaceC System catalogD Schema repository...
问题：单选题Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）A The cursor is only protected from updates and deletes by concurrent applications.B The row is only protected from positioned updates and delet...
问题：单选题Which of the following describes how DB2 9 stores an XML document if the XML Extender is not used?（）A CLOBB BLOBC HierarchicallyD Rows and columns...
问题：单选题Which object may be used during query optimization to improve the performance for a subset of SELECT queries?（）A MQTB TriggerC Read Only CursorD Stored Procedure...
问题：单选题Given that tables T1 and T2 contain the following rows: Table T1: C1 C2 5 4 5 2 5 5 Table T2: C1 C2 5 1 5 2 5 3 Which of the following queries will return only those rows that exist in T1 and not in T2?（）A SELECT * FROM T1 MINUS SELECT * FROM T2B SELEC...
问题：单选题Which of the following is the lowest cost DB2 product that can be legally installed on an AIX server?（）A DB2 Express EditionB DB2 Personal EditionC DB2 Workgroup Server EditionD DB2 Enterprise Server Edition...
问题：单选题What is the maximum size that can be specified when creating an XML column in a DB2 table?（）A No size is specifiedB The buffer pool sizeC The page size for the table spaceD The extent size for the table space...
问题：单选题Given the following query:SELECT last_name, first_name, age, hire_date FROM employee WHERE age 40Which of the following clauses must be added to return the rows sorted by AGE, oldest first, and by LAST_NAME, from A to Z?（）A SORT BY age ASC, last_nameB...
问题：单选题For which of the following is a data warehouse optimized?（）A Backup and recoveryB TransactionsC SecurityD Queries...
问题：单选题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 = ...
问题：单选题Given the following table definitions: EMPLOYEE ID NAME DEPTID 01Smith 10 02Bossy 20 03 20 Peterson 04Goss 30 05Pape 40 06Avery 50 07O'Neal 60 08Carter 50 DEPARTMENT ID DEPTNAME 05 Hardware 10 Kitchen 20 Shoes 30 Toys 40 Electronics 50 Automotive and t...
问题：单选题Which of the following tools can be used to schedule a backup operation that is to be run every Sunday evening?（）A JournalB Task CenterC Activity MonitorD Command Line Processor...
问题：单选题Which of the following supports the XML data type?（）A A unique indexB A composite indexC A check constraintD A generated column...
问题：单选题A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 1000 ; When will DB2 access the data from table T1 for view V1?（）A When view V1 is createdB Each time the REFRESH VIEW v1 statement is executed...
问题：单选题Given that tables T1 and T2 contain the following rows: Table T1: C1 C2 1 4 1 3 1 2 Table T2: C1 C2 1 1 1 2 1 3 Which of the following queries will return only those rows that exist in both T1 and T2?（）A SELECT * FROM t1 UNION SELECT * FROM t2B SELECT ...
问题：单选题Given the following function: CREATE FUNCTION emplist （ ） RETURNS TABLE ( id CHAR(6) , firstname VARCHAR(12) , lastname VARCHAR(15) ) LANGUAGE SQL BEGIN ATOMIC RETURN SELECT EMPNO, FIRSTNME, LASTNAME FROM EMPLOYEE WHERE WORKDEPT IN ('A00', 'B00'); END ...
问题：单选题Which of the following can be used to ensure that once a row has been inserted in table TABLEX, the column MAINID in that row cannot be updated?（）A Define the column MAINID as NOT UPDATABLEB Define the column MAINID as a PRIMARY KEYC Define the column ...
