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MYSQL 1Z0-874 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Upgrade-Related Security Issues | 5% | - Post-upgrade security checks - Security changes between versions |
| Topic 2: Stored Routines | 5% | - Security and execution context - Stored procedures and functions - Triggers and events |
| Topic 3: User Management and Access Control | 20% | - Granting and revoking privileges - Creating and managing user accounts - Grant tables structure and maintenance |
| Topic 4: Optimizing Schemas and Data Types | 15% | - Choosing appropriate data types - Table design and partitioning - Normalization and denormalization |
| Topic 5: Scaling MySQL | 10% | - Read/write splitting - High availability concepts - Replication setup and management |
| Topic 6: Optimizing the Operating System Environment | 5% | - OS resource limits and tuning - File system and disk I/O |
| Topic 7: Interpreting Error Messages and Logs | 5% | - General, binary, and error logs - Error codes and messages |
| Topic 8: Optimizing Queries | 15% | - Query rewriting and optimization - Using EXPLAIN to analyze execution plans - Slow query log analysis - Index design and usage |
| Topic 9: Optimizing the Server Configuration | 10% | - Storage engine tuning - Memory and buffer settings - Thread and connection management |
| Topic 10: Securing the MySQL Server | 10% | - Restricting file and system access - Network security and encryption - Security configuration options |
MYSQL MySQL 5.0 Database Administrator Certified Professional Exam, Part II Sample Questions:
Question 1
As an administrator, you attempt to create the account 'joe'@'example.com' with the following statement: GRANT SELECT, UPDATE, DELETE ON world.* TO 'joe'@'example.com' Which of the following best describe the effects of issuing this statement?
A. An account with no password is created, regardless of SQL modes. The password will not need to be set at a later time.
B. There is not enough information provided to determine the outcome of executing that statement.
C. The account is not created, as you must always specify a password for new users
D. Depending on active SQL modes, you may be prevented from creating the account because no password is specified. Otherwise, an account with no password is created.
E. Since no password is specified, the account is created with an empty password that must be changed by the user on first login
Question 2
You need to allow the user 'joe'@'example.com' the privilege to create and alter stored routines in the world database, but you do not want that user to be able to change any table definitions. The user already has the required permissions to access table data in the database. Which of the following will achieve that?
A. You must use GRANT ALL PRIVILEGES ON world.routine1_name, world.routine2_name... TO 'joe'@'example.com', replacing routine1_name etc. with the names of each of the stored routines the user may want to create or alter
B. Mysql> GRANT ALL ROUTINE PRIVILEGES ON world.* TO 'joe'@'example.com';
C. This cannot be done; permissions on tables and stored routines are always shared.
D. Mysql> GRANT ALL PRIVILEGES ON PROCEDURE world.* TO 'joe'@'example.com'; mysql> GRANT ALL PRIVILEGES ON FUNCTION world.* TO 'joe'@'example.com';
E. Mysql> GRANT CREATE ROUTINE ON world.* TO 'joe'@'example.com'; mysql> GRANT ALTER ROUTINE ON world.* TO 'joe'@'example.com';
F. Mysql> GRANT ALL PRIVILEGES ON world.* TO 'joe'@'example.com';
Question 3
Consider the following query: GRANT ALL ON world.* TO 'web'@'hostname' What privileges would this give this user?
A. SELECT, INSERT, UPDATE and DELETE.
B. All privileges including GRANT.
C. All privileges except GRANT.
D. ALL cannot be used when granting privileges.
Question 4
How can the SHOW PROCESSLIST command be helpful when optimizing queries?
A. If checked periodically, it can reveal a queries that causes other queries to hang.
B. It shows if a query is using an index or not.
C. It shows how the server processes a query.
D. It shows the percentage of processing power that each query is using on a server.
Question 5
Which of the following best describe the effects on performance for the dynamic-row format for
MyISAM has? (Choose two)
A. Rows generally take up less disk space than fixed-row format.
B. Retrievals are less complex and are faster.
C. Rows generally take up more disk space than fixed-row format.
D. Retrievals are more complex and slower.
Solutions:
| Question 1 Answer: D | Question 2 Answer: E | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: A,D |
