//数据库支持生命周期。
Release Schedule of Current Database Releases (Doc ID 742060.1)
//数据库补丁快速下载链接：
Assistant: Download Reference for Oracle Database/GI Update, Revision, PSU, SPU(CPU), Bundle Patches, Patchsets and Base Releases (Doc ID 2118136.2)
1，查询相关PSU信息
Patch Set Updates for Oracle Products(Doc ID 854428.1)
2，选择数据库产品
Database Document 756671.1
3，选择相应数据库版本
1.0 OVERVIEW
1.1 Oracle Database Patching - SPU vs PSU/BP
1.2 OJVM PSU can be installed in "Conditional Rolling Install" manner in certain use cases
1.3 Proactive Replacement Interim Patches for Conflicts with Database Proactive Patches
1.3.1 Some Database Proactive Interim patches for Apr2020 are delayed
1.4 Interim Patch Pros and Cons
2.0 What's New
2.1 Bug fixes that may change an existing Optimizer execution plan
3.0 Post Release Patches
4.0 Current patches
4.1 Database 19
4.2 Database 18
4.3 Database 12.2.0.1
4.4 Database 12.1.0.2
4.5 Database 11.2.0.4
5.0 Sources of Additional Information
6.0 Modification History
4，数据库补丁详细信息地址：
My Oracle Support Note 2521164.1 Database 19 Proactive Patch Information
My Oracle Support Note 2369376.1 Database 18 Proactive Patch Information.
My Oracle Support Note 2285557.1 Database 12.2.0.1 Proactive Patch Information.
My Oracle Support Note 2285558.1 Database 12.1.0.2 Proactive Patch Information.
My Oracle Support Note 2285559.1 Database 11.2.0.4 Proactive Patch Information.
