Month: September 2014

QUESTION 1Examine the parameters for your database instance:NAMETYPE VALUE————————– ——————————- —————————undo_management string AUTOundo_retentioninteger 12 00undo_tablespace string UNDOTBS1You execute the following command:SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;Which statement is true in this scenario? A.    Undo data is written to flashback logs after 1200 seconds.B.    Inactive undo data is retained for 1200 seconds even if subsequent transactions...

QUESTION 1Examine the parameters for your database instance:NAMETYPE VALUE————————– ——————————- —————————undo_management string AUTOundo_retentioninteger 12 00undo_tablespace string UNDOTBS1You execute the following command:SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;Which statement is true in this scenario? A.    Undo data is written to flashback logs after 1200 seconds.B.    Inactive undo data is retained for 1200 seconds even if subsequent transactions...

QUESTION 1You need to create a table for a banking application. One of the columns in the table has the following requirements:1) You want a column in the table to store the duration of the credit period.2) The data in the column should be stored in a format such that it can be easily added...

QUESTION 1You notice that the performance of your production 24/7 Oracle database significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance.How can you detect the cause of the degraded performance? A.    Enable Memory Access Mode, which reads performance data from...

QUESTION 1As part of archiving the historical data, you want to transfer data from one database to another database, which is on another server. All tablespaces in the source database are read/write and online. The source and target databases use the same compatibility level and character sets. View the Exhibit and examine the features in...

QUESTION 1Which two statements correctly describe the relation between a data file and the logical database structures? (Choose two.) A.    An extent cannot spread across data files.B.    A segment cannot spread across data files.C.    A data file can belong to only one tablespace.D.    A data file can have only one segment created in it.E.    A...

QUESTION 1Evaluate the following CREATE TABLE commands:CREATE TABLE orders(ord_no NUMBER(2) CONSTRAINT ord_pk PRIMARY KEY,ord_date DATE,cust_id NUMBER(4));CREATE TABLE ord_items(ord_no NUMBER(2),item_no NUMBER(3),qty NUMBER(3) CHECK (qty BETWEEN 100 AND 200),expiry_date date CHECK (expiry_date > SYSDATE),CONSTRAINT it_pk PRIMARY KEY (ord_no,item_no),CONSTRAINT ord_fk FOREIGN KEY(ord_no) REFERENCES orders(ord_no));The above command fails when executed. What could be the reason? A.    SYSDATE cannot be...