Storage engine is one of the key component of any database. It is, in fact, a software module which is used by database management system to perform all storage related operations e.g. create information, read information and update any information. The term storage means both disk storage and memory storage. Choosing right storage engine is Read more about WiredTiger: A game changer for MongoDB[…]
Problem Statement: Restore entire database using Data Pump. Restore table(s) Restore tablespace(s) Restore schema(s) Restore using Transportable tablespaces (TTS) Restore from multiple small sizes of dump files Restore in parallel mode Approach: There are single shot solution to all the above problem statement and it is IMPDP in Data Pump. It is one of various Read more about Data Pump: impdp[…]
In real production world “Prediction” of data growth is an important aspects of DBA life because this will allow business not only to foresee the real position in terms of existing hardware but also enable to plan the future expenses which should be spent on hardware(s) & storage. To generate data growth report, Oracle provides Read more about Trend of data growth in Oracle Database[…]
Problem Statement: Backup entire database using Data Pump. Backup table(s) Backup tablespace(s) Backup schema(s) Backup using Transportable tablespaces (TTS) Generate multiple small sizes of dump files Backup in parallel mode Approach: There are single shot solution to all the above problem statement and it is Data Pump. It is one of various backup tools provided Read more about Oracle Data Pump: expdp & impdp[…]
Among various techniques of backing up your database Oracle provides data pump as one of tool which they are constantly improving and making this tool sharper release by release. Since its first launch with 10g version, it has improved a lot not only in terms of its new features but in terms of performance as Read more about Data Pump: a tool to backup and restore database[…]
MongoDB is one of the document oriented open source database developed in c++, first come into shape in 2007 when in order to overcome the shortfall of existing database while working for an advertising company “DoubleClick” development team has decided to go further rather than struggling with database. The team of this advertising company was Read more about MongoDB Enterprise Edition Installation – Ubuntu[…]
MongoDB is one of the document oriented open source database developed in c++, first come into shape in 2007 when in order to overcome the shortfall of existing database while working for an advertising company “DoubleClick” development team has decided to go further rather than struggling with database. The team of this advertising company was Read more about How to: Uninstallation of MongoDB on Ubuntu[…]
MongoDB is one of the document oriented open source database developed in c++, first come into shape in 2007 when in order to overcome the shortfall of existing database while working for an advertising company “DoubleClick” development team has decided to go further rather than struggling with database. The team of this advertising company was Read more about MongoDB Installation – Ubuntu[…]
About NoSQL: Let’s understand about the NoSQL. We will explore MongoDB and it’s inception later. Like any other type of database NoSQL database also provides a mechanism to store and retrieve which is modeled in such a way so that it should be different than Relational database. In short, a NoSQL database does not store Read more about Mongo DB – An Introduction[…]
Problem statement: How to move data files from one location to another on same storage. How to move data files from one storage to another. How to rename data files to make data file name standardized Environment / Scenario: You have a database where you have to move your data files from old slower storage Read more about How to re-organize your data files of a tablespace[…]
Problem statement: How to migrate huge data from One DB to another DB. Multi-Terabyte data loaded on one database should be copied to another database. Environment: You have multi-terabyte Database Your database is growing on daily basis, based on data feeds. Number of Indexes on these tables are very high, and thus, size of indexes Read more about How to copy Multi terabyte data to another Database Server[…]