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Database Administrators : Recent Questions and Answers (Page 18)

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SAP Oracle Full Online Backup Failing

we have a SAP instance that runs on Oracle 11.2.0.4.0 DB. Since a while full online backups are failing every time. Full online backups are scheduled in SAP tcode DB13...

Asked on 11/11/2021 by plamenbv

1 answer

How to upgrade Mysql 5.5 to 5.6 without data loss on aws-ec2?

MySQL server (5.5) is running on aws-ec2 instance with following linux detailsNAME="Amazon Linux AMI"VERSION="2015.09"ID="amzn"ID_LIKE="rhel fedora"VERSION_ID="2015.09"PRETTY_NAME="Amazon Linux AMI 2015.09"ANSI_COLOR="0;33"CPE_NAME="cpe:/o:amazon:linux:2015.09:ga"HOME_URL="http://aws.amazon.com/amazon-linux-ami/"Since Django 2.2 doesn't support Mysql 5.5https://docs.djangoproject.com/en/2.2/ref/databases/#mysql-notes....

Asked on 11/11/2021 by Palash Jadhav

1 answer

sql query for select first word of data from column

I have a table with this data:shyam banarjeerahul khannapriya kumari rohit srivastavaI just want first names, like this:shyamrahulpriyarohit...

Asked on 11/11/2021

3 answer

Synchronize 2 sql server 2019 database over intermittent connection (no replication)

I'm a PostgreSQL DBA learning SQL Server 2019. The setup :1 Desktop, 1 LaptopBoth running SQL Server 2019 DeveloperWindows 10 Home (nothing else, no active directory, nas, san, ...)a database...

Asked on 11/11/2021

1 answer

Why Am I Getting Inconsistent LEFT JOIN Results in MySQL

Background I have a database in 3 different locations with the same exact static data (nothing updates it, it was a one-time import from another system). In 2 of...

Asked on 11/11/2021 by Alf47

1 answer

Copy SQL Server Maintenance Plan between instances on same server

I have multiple SQL Server 2019 instances on the same server. I've created and exported the first instance's maintenance plan, edited its exported DTSX file to change the instance and...

Asked on 11/11/2021 by Chad Kieffer

1 answer

how to get collection based on number of duplicate foreign keys?

I have a batch table, and an item table, the relationship is the batch has many items (item has a batch_id foreign key). How would I make a query that...

Asked on 11/08/2021

1 answer

SQL Server Replication

We had an issue with replication, where a large (7.5 million row) update was done on a 33 million row table. Replication converted that to 7.5 million individual update...

Asked on 11/08/2021 by Derek Czarny

1 answer

Different execution plans and joins using synonym or table

Edit: We found the leading cause. If you join tables with the same name but in different schemas, you can get this result. Same with joining two tables using the...

Asked on 11/08/2021 by Lenniey

1 answer

Performance MySQL query with for loop

In this method, first I have to get sundays dates between two dates, in this case about 1 year. Then I go through the dates in a for loop and...

Asked on 11/08/2021 by Fabian Sierra

1 answer

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