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 ...
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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Which of the following is the main feature of an OLTP application?（）A Summarized queriesB Granular transactionsC Voluminous historical dataD Heterogeneous data sources...
问题：单选题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 ...
问题：单选题What type of constraint can be used to ensure that, in any given row in a table, the value of one column never exceeds the value of another column?（）A CheckB RangeC ReferentialD Informational...
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 strings can be inserted into an XML column using XMLPARSE?（）A employee/B ?xml version='1.0' encoding='UTF-8' ?C !DOCTYPE hello SYSTEM 'hello_world.dtd'D x xmlns:ibmcert='http://www.ibm.com/certify'...
问题：单选题Which tool must be used to analyze all of the database operations performed by an application against a DB2 for i5/OS database?（）A Visual ExplainB Activity MonitorC SQL Performance MonitorD DB2 Performance Monitor...
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 of the following privileges permits a user to update the comment on a sequence?（）A CONTROLB UPDATEC USAGED ALTER...
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If an application issues the same query more than once in the same Unit of Work, which isolation level will not permit this application to see additional rows inserted by other applications?（）A Read Stability (RS)B Repeatable Read (RR)C Uncommitted Rea...
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 scenarios will ensure that the value of the NEXT_STEPNO column in a given row of table TABLEX exists as a value of column STEPNO (usually in another row) in the same table?（）A Define a UNIQUE constraint on the columns NEXT_STEPNO...
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 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 describes the objects of a DB2 database and their relationships?（）A InstanceB Table spaceC System catalogD Schema repository...
问题：单选题To which of the following resources can a lock be applied?（）A RowB AliasC BitmapD Column...
