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Database Administrators : Recent Questions and Answers (Page 15)

Find answers to your questions about Database Administrators or help others by answering their Database Administrators questions.

SQL Server 2019 standard edition CDC with SSIS standard edition

The primary question is:Are there any methods for using SQL Server standard edition CDC for data synchronization to cloud based non SQL server databases that don't require use of SSIS...

Asked on 11/21/2021 by phinman

2 answer

How to efficiently combine user authentication with token authentication?

What is the most efficient approach of authentication, considering an user based authentication system combined with a token based authentication system? For this question please consider the following tables:create...

Asked on 11/21/2021 by luukvhoudt

1 answer

Trigram similarity (pg_trgm) with German umlauts

I try to figure out how to improve Postgres 10.6 pg_trgm queries with German umlauts (äöü). In german 'ö' can be written as 'oe'. But beware: not every 'oe' can...

Asked on 11/21/2021

1 answer

Ignoring specified tables on replication primary

I need to make a primary-secondary replication for some joomla portals. However, high traffic means that a lot of inserts, deletes and updates happen on the %_session tables, something that...

Asked on 11/19/2021

1 answer

Backup Functions in PgAdmin 4 Version 1.6

How to backup all functions in pgadmin 4 version 1.6?After executing the below query the backup functions stored in which place?And how to find it?How to know...

Asked on 11/19/2021 by M.Karthika

1 answer

Cardinality estimation on tables with large cardinality variance between keys

ContextI have stumbled on an issue in SQL Azure where the Sort-operator is spilling over into TempDB due to poor row estimates.We are querying a master table that is joined...

Asked on 11/19/2021 by Yannick Motton

1 answer

MariaDB uses "wrong"/irrelevant Keys on large table

We have migrated our database from a local hosting company to AWS.Now when we run a particular query on AWS it finishes in about a minute (processlist says "sending...

Asked on 11/19/2021 by J-F

1 answer

How to improve performance merging multiple table via cursor

I have the following stored procedure to merged multiple tables into 1 table. The records that im tryin to merge is about 150M. The procedure is quite slow. Here is...

Asked on 11/19/2021 by Edu Cielo

1 answer

sp_send_dbmail: Failing When Adding Attachment

I have a simple script that should send an attachment using send_dbmail. It works when I exclude the attachment or send a very small file, e.g. 5KB. The...

Asked on 11/19/2021 by Stockburn

1 answer

Can not connect to SQL Server from Ubuntu sqlcmd client

I'm trying to connect to a SQL Server Express server from a Linux Ubuntu 16.04 computer. I Installed all SQL commad line utilities for the linux machine and follow instructions...

Asked on 11/17/2021 by CarlosRPEvertsz

1 answer

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