#db21c
#OraTidbit #db21c feature in #db19c Blockchain tables are append-only tables in which only insert operations are allowed. Deleting rows is either prohibited or restricted based on time. Rows in a bc table are made tamper-resistant by special sequencing and chaining algorithms.
November 23, 2024 at 11:27 PM
#OrclDB #db21c A glimpse of what is new in Oracle Database 21c
https://buff.ly/36FdpXU
A glimpse of what is new in Oracle Database 21c
Oracle Database 21c will be soon available first on Oracl...
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November 24, 2024 at 3:33 PM
#OraTidbit New features announced for Oracle Database #db20c are now part of #db21c - 20c is no longer a GA database version. Oracle Database 19c is the current long-term version, the next innovation release is Oracle Database 21c.
November 24, 2024 at 3:18 PM
#db21c FREE Oracle Database 21c New Features Workshop
Explore new features available in Oracle Database 21c for application developers, big data and data warehousing, performance and high availability, and more!
Workshop length: 4 hours
https://buff.ly/37ck8bY
November 24, 2024 at 3:10 PM
#OraTidbit #db21c Oracle Database 12c Release 2 family supports direct upgrade to 21c (12.2.0.1, 12.2.0.2 or 18c, 12.2.0.3 or 19c). If your Oracle Database is a release earlier than release 12.2, then you cannot directly upgrade your Oracle Database to 21c.
November 24, 2024 at 3:10 PM
#OrclDB #db21c Oracle Database 21c Technical Architecture
This interactive diagram shows the Oracle Database 21c technical architecture.
https://buff.ly/3nb7a3Q
Oracle Database Technical Architecture
Documentation and tutorials for developers and business u...
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November 24, 2024 at 3:10 PM
#OraTidbit #db21c Starting with Oracle Database 21c #AutoUpgrade automates the steps necessary to upgrade a database in an Oracle Data Guard configuration. AutoUpgrade 21c also automates all the steps needed to upgrade an Oracle Real Application Clusters (Oracle RAC) database.
November 24, 2024 at 3:03 PM
#OraTidbit #db21c Starting with Oracle Database 21c #AutoUpgrade automates steps to convert a database from a non-CDB to a PDB as part of a database upgrade. AutoUpgrade automates unplugging a PDB from a CDB plugging it into a higher version CDB and upgrading the PDB.
November 24, 2024 at 3:03 PM
#OraTidbit #db21c All upgrades to Oracle Database 21c must use the multitenant architecture. If you are upgrading a non-CDB you must convert the non-CDB to a PDB before upgrade or you plug in the non-CDB Oracle Database to an Oracle Database 21c CDB. (Or use #AutoUpgrade)
November 24, 2024 at 2:56 PM
#OraTidbit #db21c The Data Guard Broker in Oracle Database 21c enables users to create and add a Far Sync instance to a Data Guard Broker configuration using a single command.
November 24, 2024 at 2:26 PM
#orcldb #db21c Using Expressions in Initialization Parameters in Oracle Database 21c
https://buff.ly/38c04qN
Using Expressions in Initialization Parameters in Oracle ...
Oracle database 21c introduced the ability to use express...
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November 24, 2024 at 2:26 PM
#OrclDB #db21c 5 new core DBA features in Oracle Database 21c
https://buff.ly/38ntthL
5 new core DBA features in Oracle Database 21c
If wondering what new can come after so many releases of ...
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November 24, 2024 at 2:26 PM
#OrclDB #db21c Blockchain Tables in 21c
https://buff.ly/3nBXyi6
Oracle 21c: Blockchain Tables
Oracle Blockchain Tables With Oracle Database 20c/21c the...
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November 24, 2024 at 2:11 PM
#OrclDB #db21c 21c New Feature – Result Cache For Standby Database
https://buff.ly/3nCnoT9
November 24, 2024 at 2:04 PM
#OraTidbit Oracle #db21c incorporates workload monitoring to establish what materialized views are needed. Based on the decisions materialized views and materialized view logs are created and maintained automatically without any manual interaction.
November 24, 2024 at 1:48 PM
#OraTidbit #db21c Automatic In-Memory feature enables, populates, evicts, and recompresses segments without user intervention. When INMEMORY_AUTOMATIC_LEVEL is set to HIGH the database automatically enables and populates segments based on their usage patterns.
November 24, 2024 at 1:48 PM
#OraTidbit #db21c #db19c Database In-Memory is an option to Enterprise Edition. Database In-Memory has a new Base Level feature. This allows the use of Database In-Memory with up to a 16GB column store without triggering any license tracking.
November 24, 2024 at 1:41 PM
#OraTidbit Starting #db21c #orcldb Oracle Grid Infrastructure, you must configure the Grid Infrastructure Management Repository (GIMR) in a separate Oracle home instead of in the Grid home. It is mandatory to configure GIMR in a separate Oracle home when you upgrade Oracle GI.
November 24, 2024 at 1:26 PM
#OraTidbit To securely capture and replicate individual PDB changes to Oracle Autonomous Database, in #db21c, you can use Oracle GoldenGate per-PDB capture. Provide local user credentials to connect to an individual PDB and replicate the data from just that PDB to ADB or ATP.
November 24, 2024 at 1:26 PM
#OrclDB #db21c Blockchain tables in 21c? A word of warning
https://buff.ly/3oDL1er
Blockchain tables in 21c? A word of warning
As I write this, the moment you do a browser search for “...
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November 24, 2024 at 1:26 PM
#OraTidbit #db21c With dynamic cache resizing the sequence cache size is auto-tuned based on the rate of consumption of sequence values. This means the cache can automatically grow and shrink over time depending on usage while never falling below the DDL specified cache size.
November 24, 2024 at 1:26 PM
#OraTidbit #db21c Read-only Oracle homes where all configuration data and log files reside outside of the read-only Oracle home are the default option for Oracle Database installations and upgrades.
November 24, 2024 at 1:19 PM