Introduction The Oracle ORA-01288 error is a database error that occurs when there is an attempt to open a database that is already in use. This error can be caused by a variety of factors, including issues with the database configuration, concurrent access to the database, or problems with the database files. Causes 1. Database …
Introduction The Oracle ORA-01042 error is a critical error that indicates a failure in the connection between the user and the Oracle server. This error occurs when the user tries to execute a command or query that requires a connection to the Oracle server, but the connection is not established or has been lost. The …
The Oracle ORA-00000 error code is a generic error message that indicates successful completion of a statement. This means that the statement executed successfully and no error was encountered. While this may seem contradictory to an error message, it is important to note that in the context of Oracle database systems, the ORA-00000 error code …
Configuring your Oracle Database for OLTP, or Online Transaction Processing, involves a meticulous setup process to ensure high efficiency and reliability for transaction-heavy workloads. OLTP systems are designed to manage a large volume of short transactions that require immediate processing and data consistency. Your Oracle Database, when optimised for OLTP, will be the backbone of …
The ORA-00017 error in Oracle occurs when a session attempts to set a trace event, but the session does not have the necessary privileges to do so. This error can be encountered when troubleshooting performance issues or debugging specific problems within the database. Here are multiple examples and sample code to help diagnose and fix …
Oracle is a great database. It is cutting edge and it has a huge team of developers behind it as well as massive funding.
There are not any areas where it lacks anything major that exists in other comparable databases.
The problem with Oracle is both that it is expensive in the first place, but also that all of the extras are chargeable and also expensive!
Oracle is the database to beat in terms performance and features or at least is positioned that way. More importantly, if you are thinking of migrating from Oracle to Postgres to save money, you need to know that your new database has at least the same features at the one that you are moving from.
High availability is one of the most important concepts and features for a database system. For most enterprise level applications, downtime has a direct financial cost and the actual loss of some or all of your data would be catastrophic.
You need to know that the system that you are moving to can protect your data as well as the system that you are on at the moment.
The Oracle database has been the gold standard for enterprise applications for a long time now. It has great performance, solid reliability and most of the features that you could want are available. The big problem is that it is expensive. And I mean REALLY expensive. That’s just for the base product as well. All of the extra features that you might want are chargeable extras which means that wench developing for Oracle, you often have to work without some of the more advanced features because they would cost too much.
Oracle services were a feature introduced in Oracle 10g. Their function is to simplify workload management by allowing you to group applications that share traits such as thresholds, priorities and attributes. The Oracle database is presented as a service and so you always have at least one service running. It is good practice to create …
Oracle ASM keeps redundancy quite simple by providing only 3 options. you can choose to have no redundancy or mirroring provided by the ASM instance. This is the ‘External’ option and assumes that you are handling mirroring somewhere else perhaps through hardware raid on your storage network. You can chose ‘normal’ 2 way mirroring r …