最新1z0-071題庫資源 & 1z0-071認證資料選擇參加Oracle 1z0-071 認證考試是一個明智的選擇,因為有了Oracle 1z0-071認證證書後,你的工資和職位都會有所提升,生活水準就會相應的提供。但是通過Oracle 1z0-071 認證考試不是很容易的,需要花很多時間和精力掌握好相關專業知識。KaoGuTi是一個制訂Oracle 1z0-071 認證考試培訓方案的專業IT培訓網站。你可以先在我們的網站上免費下載部分部分關於Oracle 1z0-071 認證考試的練習題和答案作為免費嘗試,以便你可以檢驗我們的可靠性。一般,試用KaoGuTi的產品後,你會對我們的產品很有信心的。 最新的 Oracle PL/SQL Developer Certified Associate 1z0-071 免費考試真題 (Q134-Q139):問題 #134
Which two statements are true about sequences created in a single instance database? (Choose two.)
A. When a database instance shuts down abnormally, the sequence numbers that have been cached but not used would be available once again when the database instance is restarted.
B. DELETE <sequencename>would remove a sequence from the database.
C. When the MAXVALUElimit for the sequence is reached, you can increase the MAXVALUElimit by using the ALTERSEQUENCEstatement.
D. The numbers generated by a sequence can be used only for one table.
E. CURRVALis used to refer to the last sequence number that has been generated.
問題 #135
Examine the commands used to create DEPARTMENT_DETAILS and COURSE_DETAILS tables:
You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?
A. SELECT d.department_id, c.course_id FROM course_details c LEFT OUTER JOIN department_details d ON (c.department_id=d.department_id);
B. SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id=c.department_id);
C. SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department_id=c.department_id);
D. SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (c.department_id=d.department_id);
答案:C
問題 #136
Which two statements are true about transactions in the Oracle Database server? (Choose two.)
A. A Data Definition Language (DDL) statement does a COMMITautomatically only for the data dictionary updates caused by the DDL.
B. An uncommitted transaction commits automatically if the user exists SQL*Plus.
C. Data Manipulation Language (DML) statements always start a new transaction.
D. A user can always see uncommitted updates made by the same user in a different session.
E. A session can always see uncommitted updates made by itself.
F. If a session has an uncommitted transaction, then a DDL statement issues a COMMITbefore starting a new transaction.
答案:E,F
問題 #137
You are designing the structure of a table in which two columns have the specifications:
COMPONENT_ID - must be able to contain a maximum of 12 alphanumeric characters and uniquely identify the row
EXECUTION_DATETIME - contains Century, Year, Month, Day, Hour, Minute, Second to the maximum precision and is used for calculations and comparisons between components.
Which two options define the data types that satisfy these requirements most efficiently?
A. The EXECUTION_DATETIME must be of INTERVAL DAY TO SECOND data type.
B. The COMPONENT_ID must be of ROWID data type.
C. The EXECUTION _DATETIME must be of TIMESTAMP data type.
D. The EXECUTION_DATATIME must be of DATE data type.
E. The COMPONENT_ID must be of VARCHAR2 data type.
F. The COMPONENT_ID column must be of CHAR data type.
答案:D,E
問題 #138
Which three statements are true about multiple row subqueries? (Choose three.)
A. They cannot contain a subquery.
B. They can return multiple columns.
C. Two or more values are always returned from the subquery.