“Gather Schema Statistics” program reported following errors in request log files :
Author: Brijesh Gogia
I’m an experienced Cloud/Oracle Applications/DBA Architect with more than 15 years of full-time DBA/Architect experience. I have gained wide knowledge on Oracle and Non-Oracle software stack running on-prem and on Cloud and have worked on several big projects for multi-national companies. I enjoy working with leading-edge technology and have a passion for Cloud architecture, automation, database performance, and stability. Thankfully my work allows me time for researching new technologies (and to write about them).
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All of the big data enterprises today use Apache Hadoop in some way or the other. Hadoop is by no means an out-of-the-box solution. Hadoop is open source system but to simplify working with Hadoop, many enterprise versions like Cloudera, MapR and Hortonworks are available in market. Vendor distributions are aimed at overcoming the issues that the users typically encounter in the standard editions. Think of various distribution of Linux like Red Hat.
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If you haven’t already read it, you may want to read this post to understand the basics of Big Data. To get maximum value from Big Data, you need to associate it with the traditional enterprise data by applications, reports, queries, and other approaches.
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Let us try to understand Big Data concept in simple language.
Your friend brought you one of one hard disk of say 2 TB which contained lots of data in the form of dat files (exported from relational database), lots of excel files, csv files. He asked you that he needs some critical reports based on this data. You created one new database and related schemas. Then you took all this data and imported it into your datbase by standard tool. You used data querying language like SQL and fetched required reports. Mission accomplished.
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Database admins and other professionals who are planning to switch to Hadoop world as Hadoop Administrator should be aware of what is expected from them. Below are just some of the basic requirements that this job demand. (This is not Hadoop Developer related activites but the Admin part of Hadoop)
- Responsible for implementation and administration of Hadoop infrastructure.
- Keep expanding Hadoop existing environments by deploying new hardware/software as required.
This post is part 5 of the “11i to R12.1.3 upgrade” series. For other parts click on below links.
1) Install Fresh EBS 11i on Linux 5 32 Bit (PART 1 in “11i to R12.1.3 upgrade” series)
2) Upgrade database 9.2.0.6 to 11.2.0.4 in 11i (PART 2 in “11i to R12.1.3 upgrade” series)
3) 11i Split configuration- Move 11g Database to Linux 6 64Bit (PART 3 in “11i to R12.1.3 upgrade” series)
4) Upgrade 11i TO R12.1.1 (PART 4 in “11i to R12.1.3 upgrade” series)
5) Upgrade R12.1.1 To R12.1.3 (PART 5 in “11i to R12.1.3 upgrade” series)
This post is part 4 of the “11i to R12.1.3 upgrade” series. For other parts click on below links.
1) Install Fresh EBS 11i on Linux 5 32 Bit (PART 1 in “11i to R12.1.3 upgrade” series)
2) Upgrade database 9.2.0.6 to 11.2.0.4 in 11i (PART 2 in “11i to R12.1.3 upgrade” series)
3) 11i Split configuration- Move 11g Database to Linux 6 64Bit (PART 3 in “11i to R12.1.3 upgrade” series)
4) Upgrade 11i TO R12.1.1 (PART 4 in “11i to R12.1.3 upgrade” series)
5) Upgrade R12.1.1 To R12.1.3 (PART 5 in “11i to R12.1.3 upgrade” series)
This post is part 3 of the “11i to R12.1.3 upgrade” series. For other parts click on below links.
1) Install Fresh EBS 11i on Linux 5 32 Bit (PART 1 in “11i to R12.1.3 upgrade” series)
2) Upgrade database 9.2.0.6 to 11.2.0.4 in 11i (PART 2 in “11i to R12.1.3 upgrade” series)
3) 11i Split configuration- Move 11g Database to Linux 6 64Bit (PART 3 in “11i to R12.1.3 upgrade” series)
4) Upgrade 11i TO R12.1.1 (PART 4 in “11i to R12.1.3 upgrade” series)
5) Upgrade R12.1.1 To R12.1.3 (PART 5 in “11i to R12.1.3 upgrade” series)
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This post is part 2 of the “”11i to R12.1.3 upgrade”” series. For other parts click on below links.
1) Install Fresh EBS 11i on Linux 5 32 Bit (PART 1 in “11i to R12.1.3 upgrade” series)
2) Upgrade database 9.2.0.6 to 11.2.0.4 in 11i (PART 2 in “11i to R12.1.3 upgrade” series)
3) 11i Split configuration- Move 11g Database to Linux 6 64Bit (PART 3 in “11i to R12.1.3 upgrade” series)
4) Upgrade 11i TO R12.1.1 (PART 4 in “11i to R12.1.3 upgrade” series)
5) Upgrade R12.1.1 To R12.1.3 (PART 5 in “11i to R12.1.3 upgrade” series)
This post is part 1 of the 11i to R12.1.3 upgrade series. For other parts click on below links.
1) Install Fresh EBS 11i on Linux 5 32 Bit (PART 1 in “11i to R12.1.3 upgrade” series)
2) Upgrade database 9.2.0.6 to 11.2.0.4 in 11i (PART 2 in “11i to R12.1.3 upgrade” series)
3) 11i Split configuration- Move 11g Database to Linux 6 64Bit (PART 3 in “11i to R12.1.3 upgrade” series)
4) Upgrade 11i TO R12.1.1 (PART 4 in “11i to R12.1.3 upgrade” series)
5) Upgrade R12.1.1 To R12.1.3 (PART 5 in “11i to R12.1.3 upgrade” series)