Oracle GoldenGate 18c New Features
Oracle GoldenGate 18c now provides support for some new features which were introduced in Oracle database 12c – namely support for Identity Columns and In-Database Row Archival. Identity columns...
View ArticleOracle Database 19c Sharding Hands-On Tutorial
Oracle Sharding is an architecture in which data is horizontally partitioned across a number of independent physical databases called shards. Think of it as one giant database partitioned into many...
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ASM Flex Disk Groups, Quota Groups and ASM Split Mirror Cloning
In earlier releases we could create an ASM Disk Group which could potentially contain the data files of a number of databases. The issue was that we could not perform any storage management at the...
View ArticleOracle 19c Scalable Sequences
Index block contention is very common databases with high insert activity and it’s especially common on tables that have monotonically increasing key values typically generated via a sequence. Oracle...
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Oracle 19c AutoUpgrade Utility (Part 1)
AutoUpgrade utility is a new feature in Oracle 19c and is designed to automate the upgrade process – this includes not just the database upgrade but also automating both the pre-upgrade as well as...
View ArticleOracle 19c Autoupgrade Utility (Part 2)
In AutoUpgrade 19c Part 1, we executed Autoupgrade in ANALYZE mode which performed a read-only check of the database and returned a report which highlighted any warnings or potential errors which might...
View ArticleOracle 19c New Feature AutoUpgrade Utility (Part 3)
The AutoUpgrade feature automates each step of a typical upgrade process and enables us to perform an upgrade with as little human intervention as possible. AutoUpgrade is based on a configuration file...
View ArticleOracle 19c SQL Quarantine
With Oracle Resource Manager, we had a way to limit and regulate use of resources like CPU and I/O as well as we had the ability to prevent the execution of any long running queries which exceeded a...
View ArticleOracle 19c New Feature Real-Time Statistics
In data warehouse environment, we often have situations where tables are truncated and new data (often millions of rows) is loaded.But when reports are run against those tables with freshly loaded data...
View ArticleOracle 19c New Feature High-Frequency Statistics
The automatic optimizer statistics collection job which calls DBMS_STATS package runs in predefined maintenance windows and these maintenance windows are open once a day during which various jobs...
View ArticleOracle 19c New Feature Hint Usage Report
In earlier releases no error was reported if an incorrect hint was used or if there was any syntax error in the hint usage. Tuning a sub-optimal execution plan became difficult and sometimes we are...
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Oracle 19c Grid Infrastructure Upgrade
This note describes the process used to upgrade a two-node Oracle 12c Release 2 Grid Infrastructure environment to Oracle 19c on Linux OEL7. The upgrade from 12c to 19c is performed in a rolling...
View ArticleDBCA New Features Oracle 19c
In Oracle 19c a number of new features have been added to DBCA in silent mode. In Oracle 18c, we could clone a PDB both via the GUI DBCA as well as using the dbca -silent -createPluggableDatabase...
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SQL*Plus New Features in Oracle 12c Release 2 and 18c
A number of new features were added in Oracle 12c Release 2 and Oracle 18c related to SQL*Plus. Let us have a quick look at some of these new features and how they can be used. Oracle 18c SET...
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SQLcl – SQL Command Line Interface Top Features
SQLcl or also known as SQL Command Interface was earlier available as a stand alone utility which we could download – it is now bundled in the Oracle 18c and Oracle 19c software (as well as 12c Release...
View ArticleOracle 18c New Feature Private Temporary Tables
Active Data Guard databases are now no longer just ‘read-only’ databases – they have now become ‘read-mostly’ databases which is primarily used for reporting purposes but also allows to some extent DML...
View ArticleOracle 19c New Feature Automatic Flashback of Standby Database
One of the new features in Oracle 19c is that either when a flashback or point-in-time recovery is performed on the primary database in an Oracle Data Guard configuration, the same operation is also...
View ArticleOracle Data Guard Broker New Features and Creating a CDB Standby Database via...
Oracle 12c Release 2 introduced the ability to execute a DGMGRL command script via the @ command as well as the ability to call host operating system commands via the HOST command. A number of new Data...
View ArticleOracle 19c New Feature Automatic Indexing
Automatic Indexing is a new feature in Oracle 19c which automatically creates, rebuilds, and drops indexes in a database based on the application workload. The index management task is now dynamically...
View ArticleApplying the July 2019 Database Release Update Patch
This note describes the steps used to apply the latest July 2019 Database Release Update Patch for Oracle 12c Release 2. The environment is single instance Multitenant database. Notes 1)Review MOS note...
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