问题：单选题Which of the following will be a consequence of defining the column IDCOL2 in TABLE2 as a foreign key referencing the primary key (IDCOL1) of TABLE1?（）A DB2 will no longer allow updating the value of IDCOL1 in TABLE1.B When inserting a row in TABLE2, t...
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问题：单选题Which of the following database objects can be used to raise an error if a table is updated?（）A PackageB TriggerC Stored ProcedureD Informational Constraint...
问题：单选题An application needs a table for each connection that tracks the ID and Name of all items previously ordered and committed within the connection. The table also needs to be cleaned up and automatically removed each time a connection is ended. Assuming ...
问题：单选题Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?（）A Application B will read the row.B Applications A and B will cause ...
问题：单选题How does DB2 protect the integrity of indexes when data is updated?（）A Locks are acquired on the data.B Locks are acquired on index keys.C Locks are acquired on index pages.D Locks are acquired on index pointers....
问题：单选题Which of the following is a characteristic of a schema?（）A Foreign key references cannot cross schema boundaries.B A DB2 user must be created before a schema with the same name can be created.C If no schema is specified when an object is created, the d...
问题：单选题Given the following two tables: TAB1 C1 C2 A 11 B 12 C 13 TAB2 CX CY A 21 C 22 D 23 The following results are desired: C1 C2 CX CY A 11 A 21 C 13 C 22 -- --D 23 Which of the following queries will yield the desired results?（）A SELECT * FROM tab1 INNER ...
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Given the following two tables: TAB1 C1 C2 1 Antarctica 2 Africa 3 Asia 4 Australia TAB2 CX CY 5 Europe 6 North America 7 South America Which of the following SQL statements will insert all rows found in table TAB2 into table TAB1?（）A INSERT INTO tab1 ...
问题：单选题Which of the following tools for DB2 V9 allows a user to create and debug a SQL stored procedure?（）A Control CenterB Development CenterC Developer WorkbenchD Stored Procedure Builder...
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Which of the following tools is used to view historical information about tasks, database changes, messages, and notifications?（）A JournalB Task CenterC Control CenterD Activity Monitor...
问题：单选题If a unique constraint is defined on column COL1 of table TAB1, what are the characteristics of COL1?（）A COL1 will accept NULL values and can be referenced in another table's foreign key specification.B COL1 will not accept NULL values and cannot be re...
问题：单选题Which of the following is a typical data warehouse query?（）A What is this customers address?B Does this customer have any unpaid bills?C What is the balance in this customers account?D What are the total sales for each of the last 6 months?...
问题：单选题Given the following table definition: STOCK: item VARCHAR(30) status CHAR(1) quantity INT price DEC(7,2) If items are indicated to be out of stock by setting STATUS to NULL and QUANTITY and PRICE to zero, which of the following statements would be used...
问题：单选题Which of the following DB2 products are required on an iSeries or System i server to enable an application running on that server to retrieve data from a DB2 database on a Linux server?（）A DB2 for i5/OSB DB2 Runtime ClientC DB2 Connect Enterprise Editi...
