当前分类: IBM(000-730)
问题:单选题Given the following DDL and INSERT statements: CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 10; CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION; CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 100; INSERT INTO v1 VALUES(5); INSE...
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问题:单选题Given the following stored procedure:CREATE PROCEDURE increase_salary ( IN p_workdept CHAR(6), OUT p_sum DECIMAL(9,2) ) SET p_sum = (SELECT SUM(salary) FROM employee WHERE workdept=p_workdept);How can this stored procedure be called from the Command Li...
问题:单选题A trigger can be created on which of the following objects?()A ViewB Catalog TableC Stored ProcedureD Global Temporary Table...
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A stored procedure object is created into which DB2 object?()A AliasB SchemaC PackageD Routine Space...
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 ...
问题:单选题Which of the following commands is used to retrieve database names from the local catalog for DRDA host databases on System i and System z?()A LIST DB DIRECTORYB LIST DCS DIRECTORYC LIST NODE DIRECTORYD LIST ACTIVE DATABASES...
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An Alias can be an alternate name for which DB2 object?()A SequenceB TriggerC SchemaD View...
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 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 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To which of the following resources can a lock be applied?()A RowB AliasC BitmapD Column...
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:Which object may be used during query optimization to improv...
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 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 tools can make recommendations for indexes and/or MQTs to improve the performance of DB2 applications?()A Design AdvisorB Visual ExplainC Performance AdvisorD Configuration Assistant...