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MYSQL 1Z0-873 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| MySQL Architecture | 10% | - SQL parser and execution layers - Client-server communication model - Storage engine separation - Disk and memory usage structure |
| Client Programs for DBA Work | 5% | - mysqladmin utility - mysql command-line client - mysqlcheck and other admin tools |
| Locking Mechanisms | 10% | - Row-level locking - Table-level locking - Lock contention and deadlocks - Transaction isolation levels |
| Starting, Stopping, and Configuring MySQL | 20% | - Startup methods and options - Configuration files and variables - Shutdown procedures - Runtime configuration adjustments |
| The INFORMATION_SCHEMA Database | 5% | - Monitoring server state - Accessing metadata - Querying schema objects |
| Data and Table Maintenance | 10% | - Optimizing tables and indexes - Managing fragmentation - Analyzing table statistics - Checking and repairing tables |
| Storage Engines | 20% | - InnoDB engine and transactions - Choosing appropriate storage engines - MyISAM engine features - Memory, CSV, Archive, and Federated engines |
| Data Backup and Recovery Methods | 15% | - Restoring from backups - Binary backups and file system copies - Binary log usage for point-in-time recovery - Logical backups with mysqldump |
| Character Set Support | 5% | - Character sets and collations - Conversion and compatibility issues - Server, database, table, and column level settings |
MYSQL MySQL 5.0 Database Administrator Certified Professional Exam, Part I Sample Questions:
Question 1
Which of the following steps should be performed in order to secure a MySQL server freshly installed from a binary tarball.
A. All initial accounts should have passwords set and unused accounts should be removed.
B. The server should be started with the mysqld_secure script.
C. The data directory and it's contents should be strictly accessible only to the user MySQL runs as.
D. The MySQL server should be set to run as it's own user, not as an administrative account.
Question 2
Which mysqld command line option disables incoming TCP/IP connections?
A. --no-networking
B. --shared-memory
C. --skip-networking
D. --memlock
Question 3
Suppose your are adding rows to a MyISAM table and the server runs out of disk space. What will happen?
A. The server will crash.
B. The server suspends that INSERT operation until space becomes available.
C. The server suspends operations on all MyISAM tables until space becomes available.
D. An error message will be returned to the client.
Question 4
Assume you created a backup of the world database by the following statement.
shell> mysqldump --opt world > dump.sql
How can you import the data from this dumped file into the test database?
A. mysql> USE test;mysql> SOURCE dump.sql;
B. shell> mysqladmin recover test dump.sql
C. shell> mysql test < dump.sql
D. mysql> RECOVER test dump.sql;
Question 5
When working with MyISAM tables, which of the following statements are true regarding deadlocks?
A. Deadlocks are not possible because of the MyISAM-specific method of table-level locking.
B. Deadlocks are possible because of the MyISAM-specific method of table-level locking.
C. Deadlocks are not possible because of the MyISAM-specific method of row-level locking.
D. Deadlocks are possible because of the MyISAM-specific method of row-level locking.
Solutions:
| Question 1 Answer: A,C,D | Question 2 Answer: C | Question 3 Answer: B | Question 4 Answer: A,C | Question 5 Answer: A |
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