Oracle 目前从 8i 到 11gr2发布了大量的Patchset 补丁集,有时候我们在要从My Oracle Support上下载这些补丁集的时候,可能会一下子找不到补丁号(patch id/number),下面给出了到11.2.0.3 为止的 Patchset 和 PSU的 Patch Number 信息索引: Patchset/ PSU Pa
Oracle 目前从 8i 到 11gr2发布了大量的Patchset 补丁集,有时候我们在要从My Oracle Support上下载这些补丁集的时候,可能会一下子找不到补丁号(patch id/number),下面给出了到11.2.0.3 为止的 Patchset 和 PSU的 Patch Number 信息索引:
Patchset / PSU Patch Number
11.2.0.3 10404530
11.2.0.2.3 12419331
11.2.0.2.2 11724916
11.2.0.2.1 10248523
11.2.0.2 10098816
11.2.0.1.6 12419378
11.2.0.1.5 11724930
11.2.0.1.4 10248516
11.2.0.1.3 9952216
11.2.0.1.2 9654983
11.2.0.1.1 9352237
11.1.0.7.8 12419384
11.1.0.7.7 11724936
11.1.0.7.6 10248531
11.1.0.7.5 9952228
11.1.0.7.4 9654987
11.1.0.7.3 9352179
11.1.0.7.2 9209238
11.1.0.7.1 8833297
11.1.0.7 6890831
10.2.0.5.4 12419392
10.2.0.5.3 11724962
10.2.0.5.2 10248542
10.2.0.5.1 9952230
10.2.0.5 8202632
10.2.0.4.9 12419397
10.2.0.4.8 11724977
10.2.0.4.7 10248636
10.2.0.4.6 9952234
10.2.0.4.5 9654991 [overlay PSU]
10.2.0.4.4 9352164
10.2.0.4.3 9119284
10.2.0.4.2 8833280
10.2.0.4.1 8576156
10.2.0.4 6810189
10.2.0.3 5337014
10.2.0.2 4547817
10.1.0.5 4505133
10.1.0.4 4163362
10.1.0.3 3761843
9.2.0.8 4547809
9.2.0.7 4163445
9.2.0.6 3948480
9.2.0.5 3501955
9.2.0.4 3095277
9.2.0.3 2761332
9.0.1.5 3301544
9.0.1.4 2517300
9.0.1.3 263293.1
8.1.7.4 2376472
8.1.7.3 2189751
8.1.7.2 1909158
Oracle 11g Release 2
====================
Note 880782.1 – ALERT: Oracle 11g Release 2 (11.2) Support Status and Alerts
11.2.0.1.0 – Base Release
11.2.0.1.1 – Patch Set Update (PSU 1): Note 9352237.8
11.2.0.1.2 – Patch Set Update (PSU 2): Note 9654983.8
11.2.0.1.3 – Patch Set Update (PSU 3): Note 9952216.8
11.2.0.1.4 – Patch Set Update (PSU 4): Note 10248516.8
11.2.0.1.5 – Patch Set Update (PSU 5): Note 11724930.8
11.2.0.1.6 – Patch Set Update (PSU 6): Note 12419378.8
11.2.0.2.0 – Patch Set #1, List of fixes: Note 1179583.1
11.2.0.2.1 – Patch Set Update (PSU 1): Note 10248523.8
11.2.0.2.2 – Patch Set Update (PSU 2): Note 11724916.8
11.2.0.2.3 – Patch Set Update (PSU 3): Note 12419331.8
Platform Specific Fix Information for Windows
Note 1114533.1 – 11.2.0.x Oracle Database and Networking Patches for Microsoft Platforms
Oracle 11g Release 1
====================
Note 454507.1 – ALERT: Oracle 11g Release 1 (11.1) Support Status and Alerts
11.1.0.6.0 – Base Release
11.1.0.7.0 – Patch Set #1, List of fixes: Note 601739.1 ==> Last Patch Set
11.1.0.7.1 – Patch Set Update (PSU 1): Note 8833297.8
11.1.0.7.2 – Patch Set Update (PSU 2): Note 9209238.8
11.1.0.7.3 – Patch Set Update (PSU 3): Note 9352179.8
11.1.0.7.4 – Patch Set Update (PSU 4): Note 9654987.8
11.1.0.7.5 – Patch Set Update (PSU 5): Note 9952228.8
11.1.0.7.6 – Patch Set Update (PSU 6): Note 10248531.8
11.1.0.7.7 – Patch Set Update (PSU 7): Note 11724936.8
11.1.0.7.8 – Patch Set Update (PSU 8): Note 12419384.8
Platform Specific Fix Information for Windows
Note 560295.1 – 11.1.0.x Oracle Database and Networking Patches for Microsoft Platforms
Oracle 10g Release 2
====================
Note 316900.1 – ALERT: Oracle 10g Release 2 (10.2) Support Status and Alerts
10.2.0.1.0 – Base Release
10.2.0.2.0 – Patch Set #1, List of fixes: Note 358749.1
10.2.0.3.0 – Patch Set #2, List of fixes: Note 391116.1
10.2.0.4.0 – Patch Set #3, List of fixes: Note 401436.1
10.2.0.4.1 – Patch Set Update (PSU 1): Note 8576156.8
10.2.0.4.2 – Patch Set Update (PSU 2): Note 8833280.8
10.2.0.4.3 – Patch Set Update (PSU 3): Note 9119284.8
10.2.0.4.4 – Patch Set Update (PSU 4): Note 9352164.8
10.2.0.4.5 – Patch Set Update (PSU 5): Note 9654991.8
10.2.0.4.6 – Patch Set Update (PSU 6): Note 9952234.8
10.2.0.4.7 – Patch Set Update (PSU 7): Note 10248636.8
10.2.0.4.8 – Patch Set Update (PSU 8): Note 11724977.8
10.2.0.4.9 – Patch Set Update (PSU 9): Note 12419397.8
10.2.0.5.0 – Patch Set #4, List of fixes: Note 1088172.1 ==> Last Patch Set
10.2.0.5.1 – Patch Set Update (PSU 1): Note 9952230.8
10.2.0.5.2 – Patch Set Update (PSU 2): Note 10248542.8
10.2.0.5.3 – Patch Set Update (PSU 3): Note 11724962.8
10.2.0.5.4 – Patch Set Update (PSU 4): Note 12419392.8
Platform Specific Fix Information for Windows
Note 342443.1 – 10.2.0.x Oracle Database and Networking Patches for Microsoft Platforms
Oracle 10g Release 1
====================
Note 263719.1 – ALERT: Oracle 10g Release 1 (10.1) Support Status and Alerts
10.1.0.2.0 – Base Release
10.1.0.3.0 – Patch Set #1, List of fixes: Note 280552.1
10.1.0.4.0 – Patch Set #2, List of fixes: Note 295763.1
10.1.0.5.0 – Patch Set #3, List of fixes: Note 335869.1 ==> Last Patch Set
Platform Specific Fix Information for Windows
Note 276548.1 – 10.1.0.x Oracle Database and Networking Patches for Microsoft Platforms
Oracle9i Release 2
==================
Note 189908.1 – ALERT: Oracle9i Release 2 (9.2) Support Status and Alerts
9.2.0.1 – Base Release
9.2.0.2 – Patch Set #1, List of fixes: Note 246017.1
9.2.0.3 – Patch Set #2, List of fixes: Note 245939.1
9.2.0.4 – Patch Set #3, List of fixes: Note 245758.1
9.2.0.5 – Patch Set #4, List of fixes: Note 263791.1
9.2.0.6 – Patch Set #5, List of fixes: Note 283897.1
9.2.0.7 – Patch Set #6, List of fixes: Note 308894.1
9.2.0.8 – Patch Set #7, List of fixes: Note 358776.1 ==> Last Patch Set
Platform Specific Fix Information for Windows
Note 211268.1 – 9.2.0.x Oracle Database and Networking Patches for Microsoft Platforms
Oracle9i Release 1
==================
Note 149018.1 – ALERT: Oracle9i (9.0.1) Support Status and Alerts
9.0.1.0 – Base Release
9.0.1.1 – Patch Set #1, List of fixes: Note 257622.1
9.0.1.2 – Patch Set #2, List of fixes: Note 257623.1
9.0.1.3 – Patch Set #3, List of fixes: Note 257624.1
9.0.1.4 – Patch Set #4, List of fixes: Note 257625.1 ==> Last Patch Set
9.0.1.5 – Note 257626.1 – The 9.0.1.5 Patch Set is only intended for iAS
Infrastructure Database installations and not for general use.
Platform Specific Fix Information for Windows
Note 166926.1 – 9.0.1.x Oracle Database and Networking Patches for Microsoft Platforms
Oracle8i Release 3
==================
Note 120607.1 – ALERT: Oracle8i Release 3 (8.1.7) Support Status and Alerts
8.1.7.0 – Base Release
8.1.7.1 – Patch Set #1
8.1.7.2 – Patch Set #2
8.1.7.3 – Patch Set #3
8.1.7.4 – Patch Set #4 ==> Last Patch Set
Generic Fix Information:
Note 120613.1 – 8.1.7.X Patch Sets – List of Bug Fixes by Problem Type
Platform Specific Fix Information for Windows
Note 161713.1 – 8.1.7.x / 8.1.6.x Oracle Database and Networking Patches for Microsoft Platforms

MySQL is an open source relational database management system, mainly used to store and retrieve data quickly and reliably. Its working principle includes client requests, query resolution, execution of queries and return results. Examples of usage include creating tables, inserting and querying data, and advanced features such as JOIN operations. Common errors involve SQL syntax, data types, and permissions, and optimization suggestions include the use of indexes, optimized queries, and partitioning of tables.

MySQL is an open source relational database management system suitable for data storage, management, query and security. 1. It supports a variety of operating systems and is widely used in Web applications and other fields. 2. Through the client-server architecture and different storage engines, MySQL processes data efficiently. 3. Basic usage includes creating databases and tables, inserting, querying and updating data. 4. Advanced usage involves complex queries and stored procedures. 5. Common errors can be debugged through the EXPLAIN statement. 6. Performance optimization includes the rational use of indexes and optimized query statements.

MySQL is chosen for its performance, reliability, ease of use, and community support. 1.MySQL provides efficient data storage and retrieval functions, supporting multiple data types and advanced query operations. 2. Adopt client-server architecture and multiple storage engines to support transaction and query optimization. 3. Easy to use, supports a variety of operating systems and programming languages. 4. Have strong community support and provide rich resources and solutions.

InnoDB's lock mechanisms include shared locks, exclusive locks, intention locks, record locks, gap locks and next key locks. 1. Shared lock allows transactions to read data without preventing other transactions from reading. 2. Exclusive lock prevents other transactions from reading and modifying data. 3. Intention lock optimizes lock efficiency. 4. Record lock lock index record. 5. Gap lock locks index recording gap. 6. The next key lock is a combination of record lock and gap lock to ensure data consistency.

The main reasons for poor MySQL query performance include not using indexes, wrong execution plan selection by the query optimizer, unreasonable table design, excessive data volume and lock competition. 1. No index causes slow querying, and adding indexes can significantly improve performance. 2. Use the EXPLAIN command to analyze the query plan and find out the optimizer error. 3. Reconstructing the table structure and optimizing JOIN conditions can improve table design problems. 4. When the data volume is large, partitioning and table division strategies are adopted. 5. In a high concurrency environment, optimizing transactions and locking strategies can reduce lock competition.

In database optimization, indexing strategies should be selected according to query requirements: 1. When the query involves multiple columns and the order of conditions is fixed, use composite indexes; 2. When the query involves multiple columns but the order of conditions is not fixed, use multiple single-column indexes. Composite indexes are suitable for optimizing multi-column queries, while single-column indexes are suitable for single-column queries.

To optimize MySQL slow query, slowquerylog and performance_schema need to be used: 1. Enable slowquerylog and set thresholds to record slow query; 2. Use performance_schema to analyze query execution details, find out performance bottlenecks and optimize.

MySQL and SQL are essential skills for developers. 1.MySQL is an open source relational database management system, and SQL is the standard language used to manage and operate databases. 2.MySQL supports multiple storage engines through efficient data storage and retrieval functions, and SQL completes complex data operations through simple statements. 3. Examples of usage include basic queries and advanced queries, such as filtering and sorting by condition. 4. Common errors include syntax errors and performance issues, which can be optimized by checking SQL statements and using EXPLAIN commands. 5. Performance optimization techniques include using indexes, avoiding full table scanning, optimizing JOIN operations and improving code readability.


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