当前分类： IBM(000-730)
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...
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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 privileges permits a user to update the comment on a sequence?（）A CONTROLB UPDATEC USAGED ALTER...
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 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...
问题：单选题Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?（）A REVOKE ACCESS ON DATABASE FROM USER bobB REVOKE CONNECT ON DATABASE FROM USER tomC REVOKE tom FROM ACCESS ON DATABASE BY USER bobD REVOKE tom FROM CO...
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：单选题In which of the following situations should correlation names be used?（）A A table referenced in the FROM clause has no indexed column.B The table referenced in the FROM clause has more than 200 columns.C Two or more tables in the FROM clause have ident...
问题：单选题Which of the following is TRUE for the DB2 isolation level Cursor Stability (CS)?（）A An application process acquires at least a share lock on the current row of every cursor.B Any row that is read during a unit of work cannot be changed by other applic...
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 constraint types can be used to ensure the value of an INTEGER column references only positive values?（）A UniqueB CheckC ReferentialD Informational...
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 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 statements is used to prevent user TOM from adding and deleting data in table TAB1?（）A REVOKE ADD, DELETE FROM USER tom ON TABLE tab1B REVOKE ADD, DELETE ON TABLE tab1 FROM USER tomC REVOKE INSERT, DELETE FROM USER tom ON TABLE t...
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A table was created using the following DDL: CREATE TABLE employee (id SMALLINT NOT NULL, name VARCHAR(9), dept SMALLINT CHECK (dept BETWEEN 10 AND 100), job CHAR(10) CHECK (job IN ('Sales','Mgr','Clerk')), hiredate DATE, salary DECIMAL(7,2), comm DECI...
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...
