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MYSQL 1Z0-873 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Starting, Stopping, and Configuring MySQL | 20% | - Shutdown procedures - Configuration files and variables - Runtime configuration adjustments - Startup methods and options |
| Topic 2: Data and Table Maintenance | 10% | - Optimizing tables and indexes - Checking and repairing tables - Managing fragmentation - Analyzing table statistics |
| Topic 3: Storage Engines | 20% | - InnoDB engine and transactions - Memory, CSV, Archive, and Federated engines - MyISAM engine features - Choosing appropriate storage engines |
| Topic 4: Character Set Support | 5% | - Character sets and collations - Server, database, table, and column level settings - Conversion and compatibility issues |
| Topic 5: The INFORMATION_SCHEMA Database | 5% | - Accessing metadata - Querying schema objects - Monitoring server state |
| Topic 6: MySQL Architecture | 10% | - Storage engine separation - SQL parser and execution layers - Client-server communication model - Disk and memory usage structure |
| Topic 7: Data Backup and Recovery Methods | 15% | - Binary log usage for point-in-time recovery - Binary backups and file system copies - Restoring from backups - Logical backups with mysqldump |
| Topic 8: Client Programs for DBA Work | 5% | - mysql command-line client - mysqlcheck and other admin tools - mysqladmin utility |
| Topic 9: Locking Mechanisms | 10% | - Row-level locking - Table-level locking - Transaction isolation levels - Lock contention and deadlocks |
MYSQL MySQL 5.0 Database Administrator Certified Professional Exam, Part I Sample Questions:
Isolation levels can be set...
- A. Per session
- B. Globally
- C. Per user name
- D. Per transaction
Correct Answer: A,B,D 🗳️
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mysqldump can be instructed to include commands to drop and recreate tables before trying to create or load data.
- A. False
- B. True
Correct Answer: B 🗳️
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Which of the following are true regarding the table cache?
- A. It is used to cache row data in open tables.
- B. The size of the table cache may be set per-session
- C. There is one table cache, shared among all sessions.
- D. Increasing the size of the variable table_cache allows mysqld to keep more tables open simultaneously.
- E. It holds file descriptors for open tables.
- F. Each connection has its own table cache. They are of equal size, set globally.
Correct Answer: C,D,E 🗳️
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After a server crash, some InnoDB tables need to be repaired. However, when the server is restarted, auto-recover failed. How would you repair the InnoDB tables?
- A. Execute the REPAIR TABLE command.
- B. Execute the OPTIMIZE TABLE command.
- C. Restart the server with the --innodb_force_recovery option.
Correct Answer: C 🗳️
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In which of the following locations can sample .cnf or .ini files be found in any distribution?
- A. c:\MySQL
- B. Below the MySQL data directory.
- C. /usr/share/mysql
- D. Below the MySQL installation directory.
Correct Answer: D 🗳️
