A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is t...
ARC062
C - AtCoDeerくんと選挙速報 / AtCoDeer and Election Report
每次看看比率至少变成多少倍能大于当前的数
然后就把两个人的票都改成那个数
#include <bits/stdc++.h>
#define fi first
#define se sec...
45题、choose three
Which three statements are true about the purpose of checkpoints?
A) They ensure that instance recovery starts in the event of an instance failure.
B) They ensure that dirty buff...
51题、choose one
The HR. DEPARTMENTS table is the parent of the HR. EMPLOYEES table. The EMPLOYEES .
DEPARTMENT_ID column has a foreign key constraint with the ON DELETE CASCADE option that refers t...
48题、choose two
Which two statements are true about using SQL*Loader?
A) It can load data from external files by using conventional path only.
B) It can generate unique sequential key values in sp...
54题、choose two
Which two statements describe the relationship between a scheduler window, a resource manager plan, and a job class?
A) A scheduler window specifies a job class that will be activat...
60题、choose one
When does a database checkpoint occur?
A) When there is an online redo log switch.
B) When the SHUTDOWN ABORT command is issued.
C) When a user session terminates abnormally.
D) ...
53题、choose two
The HR user executes the following query on the EMPLOYEES table but does not issue COMMIT, ROLLBACK, or any data definition language (DDL) command after that:
SQL> SELECT job
FRO...
52题、choose one
When is the UNDO_RETENTION parameter value ignored by a transaction?
A) when Flashback Database is enabled
B) when the undo tablespace is of a fixed size and retention guarantee is...
58题、choose two
Which two statements are true about Oracle network connections?
A) A listener may listen on behalf of only one database instance at a time.
B) A server process checks a user's auth...
55题、choose two
Your database supports an online transaction processing (OLTP) workload in which one of the applications creates a temporary table for a session and performs transactions on it. This...
42题、choose two
Which two must be installed or configured either manually or by DBCA in order to use Enterprise
Manager Database Express (EM Express)?
A) At least one TCP/IP dispatcher must be con...
49题、choose one
Your production database uses file system storage. You want to move storage to Oracle Automatic Storage Management (ASM).
How would you achieve this?
A) by using a transportable da...
50题、choose two
Which two statements are true about the Database Configuration Assistant (DBCA)?
A) It can configure Automatic Storage Management (ASM) diskgroups.
B) It can be used to copy an exi...
43题、choose two
Which two services may you see on the My Service Dashboard page?
A) Database Cloud Service
B) Network Cloud Service
C) User Cloud Service
D) Compute Cloud Service
Answer：AC
(...
44题、choose three
Which three statements are true about a job chain?
A) It can be executed using time-based schedules.
B) It cannot invoke the same program or nested chain in multiple steps in the...
56题、choose two
In your database, USERS is the default permanent tablespace.
Examine the commands and their outcome:
SQL> CREATE USER user02 identified by us123 QUOTA 10M ON users;
User created.
...
