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MYSQL 1Z0-874 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Optimizing the Server Configuration | 10% | - Memory and buffer settings - Storage engine tuning - Thread and connection management |
| Scaling MySQL | 10% | - Read/write splitting - High availability concepts - Replication setup and management |
| Upgrade-Related Security Issues | 5% | - Security changes between versions - Post-upgrade security checks |
| Interpreting Error Messages and Logs | 5% | - Error codes and messages - General, binary, and error logs |
| User Management and Access Control | 20% | - Granting and revoking privileges - Creating and managing user accounts - Grant tables structure and maintenance |
| Stored Routines | 5% | - Triggers and events - Stored procedures and functions - Security and execution context |
| Optimizing Schemas and Data Types | 15% | - Table design and partitioning - Choosing appropriate data types - Normalization and denormalization |
| Securing the MySQL Server | 10% | - Restricting file and system access - Network security and encryption - Security configuration options |
| Optimizing Queries | 15% | - Index design and usage - Query rewriting and optimization - Slow query log analysis - Using EXPLAIN to analyze execution plans |
| Optimizing the Operating System Environment | 5% | - File system and disk I/O - OS resource limits and tuning |
MYSQL MySQL 5.0 Database Administrator Certified Professional Exam, Part II Sample Questions:
1. Which of the following steps are used to create database symbolic links on Windows? (Choose four)
A) Create a file in the data directory with the database name with an extension of .sym that contains the full path to the new location.
B) Move the database directory from the data directory to a new location.
C) Use the ln -s command.
D) Update your my.ini with the path to the new location.
E) Stop the server.
F) Restart the server.
2. Consider the following:
mysql> EXPLAIN SELECT * FROM City WHERE CountryCode = 'USA'
*************************** 1. row ***************************
id: 1
select_type: SIMPLE table: City
type: ALL
possible_keys: NULL
key: NULL
key_len: NULL
ref: NULL
rows: 4079
Extra: Using where
What does the possible_keys column in this output denote?
A) If it is possible for you to include any indexes in your query.
B) Whether there are any indexes on the table(s) you are querying.
C) Whether you are using any indexes in your query.
D) If there are any indexes you may be able to use.
3. You have two databases, db1 and db2 and you have a table test in both of the databases. Your current default database is db1. Which of the following tables will be affected by the following command?
mysql> GRANT SELECT, INSERT, UPDATE, DELETE ON test TO 'joe'@'%' IDENTIFIED BY
'sakila'
A) Db2.test
B) Both db1.test and db2.test
C) The statement will return an error, because no database was specified.
D) Db1.test
4. Which of the following best describe how access control occurs in MySQL?
A) On login, the username, hostname and password are checked to allow access. On every query execution, username, hostname, password and current object access permissions are checked.
B) On login, the username, hostname and password are checked to allow access. On every query execution, username, hostname and current object access permissions are checked.
C) On login, the username, hostname and password are checked to allow access and the object access permissions at login time are used for all subsequent operations for the lifetime of the connection.
5. Which of the following are general features of replication? (Choose three)
A) Can be used to distribute the load caused by servicing many clients.
B) Provides complete redundancy and high availability at all times.
C) Multiple copies are available in case a server crashes or goes offline.
D) Allows the databases on one server to be made available on another server.
Solutions:
| Question # 1 Answer: A,B,E,F | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A,C,D |
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