(Pieter Van Puymbroeck) Active Data Guard is more than just the Read-Only Standby database. Together with your Active Data Guard license comes the “Rolling Upgrade using Active Data Guard” Feature, better known as DBMS_ROLLING.
Author: SSWUG Research
APEX Component Settings for Switch
(Scott Wesley) While I point out a ‘hidden’ setting for Switch items in APEX, I want to comment on two related item types found in Oracle APEX => radio buttons and checkboxes.
How To Stop All Database Instances Running From ORACLE_HOME
(Michael Dinh) At times, there may be a requirement to stop database instances, for example, to perform patching.
Data Mapping JSON Lines
(David McGahey) The JSON data format continues to evolve as an open standard as it is creatively applied to new data interchange requirements.
database replication
(Margaret Rouse) Database replication is the frequent electronic copying of data from a database in one computer or server to a database in another — so that all users share the same level of information.
SQL Server Best Practices for Data Quality
(Jeremy Kadlec) Accurate data is imperative for an organization to conduct cost effective decision making, marketing promotions, mailings, database bloat impacting performance, storage and more. Like everything else, change is constant for your data. There is a need to cleanse and validate data wh
Recover a database using RMAN but failing to open redo
(David_89) When using RMAN to restore and recover the database, it seems to work OK – no obvious errors during the restore / recovery, as far as I can see.
Inserting middleware between UseRouting() and UseEndpoints() as a library author – Part 1
(Andrew Lock) This post is in response to a question from a reader about how library authors can ensure consumers of their library insert the library’s middleware at the right point in the app’s middleware pipeline.
MySQL 8 Minor Version Upgrades Are ONE-WAY Only
(Marco Tusa) In the many years we have used MySQL, we got accustomed to the fact that upgrades from MySQL 5.7.11 to 5.7.12 was a minor event. This meant that if something was going wrong, we could roll back the binaries and be happy again.
Nesting with Java interfaces
(Jeff Friesen) If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code.