Today is my one year anniversary of blogging! If you would have told me 14 months ago that I would be writing a technical blog, I would have looked at you like you had two heads! It has gone very well and I have learned/reinforced some valuable skills such as TESTING/TESTING/TESTING, writing comprehensive documentation, and keeping my problem solving skills honed. See below for some stats from the previous year.
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Restoring an Oracle Database with RMAN
Last week we made a backup of our Oracle database using the RMAN tool. Today, I am going to show you how to be a hero and restore your database. This will be another long post, but saving your companies data is worth it.
Backing up an Oracle Database with RMAN
Some workplaces have multiple database platforms that you will be responsible for. The main thing a DBA is responsible for is being able to recover the database in case of a disaster. Below is an easy way how to backup an Oracle database using RMAN. Is it the only way to do this? Of course not, there a literally dozens of ways depending on how complicated your environment is, but it is a legitimate way to create a backup and it will save you. In the next posting, I will show you how to restore the database onto a new server.
View Jpg’s and other file types stored in a table
Do you have files stored in your SQL Server database and need to see what they are. Here is a way using my favorite add-in SSMSBoost.
Continue reading View Jpg’s and other file types stored in a table
Analytic Function — Lag
Starting with SQL Server 2012, Microsoft has included analytic functions within the database. A couple that I use often, Lag and Lead, are very handy when you need to reference a previous or next row in a table without having to use self-joins or having to create a complicated sql statement.
Query Timeout Expired
If you ever use linked servers to run queries on a remote database server, you may run into this issue if your queries take longer than 10 minutes: OLE DB provider “SQLNCLI11” for linked server xxxxx returned message “Query timeout expired” [SQLSTATE 01000] (Message 7412)
SQLSaturday #595 Cleveland 2017
On 2/4/2017 I went to my third SQLSaturday hosted at Hyland Software in Westlake, OH. What is SQLSaturday? From their site: “SQLSaturday is a training event for SQL Server professionals and those wanting to learn about SQL Server. Admittance to this event is free, all costs are covered by donations and sponsorships. Please register soon as seating is limited, and let friends and colleagues know about the event.” http://www.sqlsaturday.com/
Deleting Duplicate Data
Duplicate data in your database? I will show you two ways on how to delete duplicate data in your Sql Server database. How does it get there? The ways are limitless, but you more than likely do not have an adequate unique index or unique constraint setup for your table.
Restoring your Sql Server Database
In a previous posting, we backed up your WideWorldImporters database and created a job to run transaction log backups so we can recover with no more than 30 minutes of data loss. Continue reading Restoring your Sql Server Database
Backing up your Sql Server Database
Good morning. Today I am going to talk about the second most important task a DBA is responsible for….backups. What is the most important? That would be restores and will be next week’s topic. If you cannot restore your database, you will be very sorry. Seriously, if you cannot recover the data that your company needs, you may need to look new employment since your company might go out of business. Continue reading Backing up your Sql Server Database
Jim Salasek's SQL Server Blog 