Which of the following statements describe super exclusive (Z) locks for a table? (Choose two.)
A portion of your database tables are used for OLTP-type processing and another portion are used for more analytical queries. There is a small subset of tables that are used in both of these usage patterns. What could you use to derive the analytic improvements offered by BLU technology in such an environment?
What is the maximum length allowed for a VARCHAR2 data type when the VARCHAR2_COMPAT database configuration parameter is set to ON?
Which constraint can be used to ensure that identical values are never stored in a set of columns in a table?
Your manager has asked you to review cloud service offering for hosting a DB2 database. As the DBA, you still want to maintain control over all maintenance and patching operations. Which of the following Cloud offerings best suits your needs?
Application 1 executes the following statements:
INSERT INTO TAB1 (NAME,AMOUNT) VALUES (‘John,100);
COMMIT;
UPDATE TAB1 SET AMOUNT=90 WHERE NAME=‘John’;
After a few seconds, application 2 executes the following query:
SELECT AMOUNT FROM TAB1 WHERE NAME=‘John’
Assuming the Currently Committed (CUR_COMMIT) configuration parameter is enabled, which of the following is TRUE?
Which of the following statements about stored procedures is TRUE?
The DDL statement is used to create table T1:
CREATE TABLEt1 (
c1 INTEGER,
c2 INTEGER NOT NULL,
c1 DECIMAL(11,2),
c4 TIMESTAMP WITH DEFAULT CURRENT TIMESTAMP
)
Which of the following INSERT statements will execute successfully?
You are asked to provide a recommendation for the appropriate DB2 edition for a new application. The application is characterized by long, complex queries that select a subset of columns and often perform grouping and aggregation. The initial database size is estimated at 5 TB, with growth of about 100 GB per year. Keep data size on disk to a minimum is a priority?
Which of the following editions would be best meet the described needs?