Choose the best answer You want to create a duplicate database DUP_DB from your production database PROD on the same host. The PROD database uses Automatic Storage Management (ASM) for storage. Regular backups are taken using RMAN connected to a recov
You accidentally drop the CUSTOMERS table, and then recover it by using the FLASHBACK TABLE command. Which two statements are true about the dependent objects of the CUSTOMERS table? A) All the triggers associated with the table are flashed back but
Which three actions are performed by the Oracle Preinstallation RPM, oracle- database-server- xxxx-preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.) A. performing checks to ensure minimum co
Q41 Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.) A. Media Management messages for SBT devices are always written to sbtio.log.B. RMAN error stacks should be read from the bottom up as that is the order in which
Examine this output: Which two are true? (Choose two.) A. Any PDB not specified in the plan will be unable to execute statements in parallel.B. PDB3 can use all available parallel execution processes at times.C. PDB1 is always limited to 40% of the av
问题（答案在文章最后）： You have an InnoDB Cluster configured with three servers. Examine this command, which executes successfully: Mysqldump -uroot -p -d mydatabase > mydatabase_backup.sql Due to data loss, the cluster is initialized and a restore is attemp
Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.) A. All metrics are instance related.B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.C. A space usage management alert is automatical
问题（答案在文章最后）： Which two queries are examples of successful SQL injection attacks? (Choose two.) A SELECT user,passwd FROM members WHERE user = ‘?’;INSERT INTO members(‘user’,‘passwd’) VALUES (‘bob@example.com’,‘secret’);–’; B SELECT id,
8、Examine the statements that use flashback technologies: FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP(‘2013-02-04 09:30:00’, ‘YYYY-MM-DD HH:MI:SS’); SELECT * FROM customers AS OF SCN 123456; FLASHBACK TABLE customers TO BEFORE DROP; FLAS
9、choose two You accidentally drop the CUSTOMERS table, and then recover it by using the FLASHBACK TABLE command. Which two statements are true about the dependent objects of the CUSTOMERS table? A) All the triggers associated with the table are flashed
其中OCA，OCP均以 选择题 形式考试，OCM需要 两天 上机操作形式考试，从考试形式简单来区分，获取OCM认证更难，而且对应的含金量更高。 从获取认证顺序依赖关系来看， 获取OCA认证主要考察SQL，然后基于OCA基础之上再通过管理I和管理II两门科目的考试，最终才可以获取OC
Oracle OCP 19c 认证1Z0-083考试题库(第10题)-CUUG整理 10、Choose three. Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx-preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? A.
Oracle OCP 19c 认证1Z0-083考试题库(第8题)-CUUG整理 8、Examine the statements that use flashback technologies: FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYY-MM-DD HH:MI:SS'); SELECT * FROM customers AS OF SCN
Oracle OCP 19c 认证1Z0-083考试题库(第6题)-CUUG整理 6、Which two are prerequisites for performing Flashback Transaction? A) Fast Recovery Area must be enabled for the database. B) The EXECUTE privilege must be granted to a user on the DBMS_FLASHBACK package. C)
Oracle OCP 19c 认证1Z0-083考试题库（第5题）-CUUG整理 5、Which three are true about requirements for various FLASHBACK operations? (Choose three.) A. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time
Oracle OCP 19c 认证1Z0-083考试题库（第4题）-CUUG整理 4、For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.) A. to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
Oracle OCP 19c 认证1Z0-083考试题库（第2题）-CUUG内部学员版083题库 2、Choose three. In which three situations can you use threshold server-generated alerts to help diagnose and fix problems? A) when free space in a dictionary managed tablespace falls below a specif
Oracle OCP 19c 认证1Z0-083考试题库（第1题）-由CUUG整理 1.Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.) A. All metrics are instance related. B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY. C. A
Oracle OCP 19c 认证1Z0-082考试题库(第6题)-CUUG整理 You have been tasked to create a table for a banking application. One of the columns must meet three requirements: Be stored in a format supporting date arithmetic without using conversion functions Store a lo
Oracle OCP 19c 认证1Z0-082考试题库（第5题）-CUUG收集整理 5.A database is configured to use automatic undo management with temporary undo enabled. An UPDATE is executed on a temporary table. Where is the UNDO stored? A. in the undo tablespace B. in the SYSAUX table
Mysql 8.0 OCP认证考试原题题库整理（CUUG内部资料）-第11题 Choose the best answer. You have upgraded the MySQL binaries from 5.7.28 to 8.0.18 by using an in-place upgrade. Examine the message sequence generated during the first start of MySQL 8.0.18: Which step or
Answer：C Explanation: 单一 SELECT 子句去重，可以统一去重（也就是 DISTINCT 关键字在最前面，后面跟字段），不能在 DISTINCT 关键字前存在其他字段，语法错误。 过滤空值是 IS NOT NULL, 如果使用了 <> NULL ，语法不错，但结果错误。所以选择 C 提示：答案为个人理解和解答，难免有错，也欢迎大家及
which two are ture? A. INSTR finds the offset within a character string,starting from position 0. B. FLOOR returns the largest position integer less than or equal to a specified number. C. CONCAT joins two character strings together. D. INSTR finds the of
You create a table named 123,which statement runs successfully? A. SELECT * FROM "123"; B. SELECT * FROM '123'; C. SELECT * FROM '123'; D. SELECT * FROM table(123); Answer: A Explanation: 创建纯数字名称的表：create table "123"
Which two statements will do an implicit conversion? A. SELECT * FROM customers WHERE customer_id = 0001; B. SELECT * FROM customers WHERE insert_date = Date '2019-01-01'; C. SELECT * FROM customers WHERE to_char(customer_id) = '0001';
