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Database Administrators : Recent Questions and Answers (Page 41)

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

Choosing right database for storing bank transactions

I am starting a new project within GCP and I am trying to choose a right tool for storing bank transactions:I don't need transactions, these will be basically write-only, no...

Asked on 09/18/2020 by Vojtěch

0 answer

Install mysql through deb file on ubuntu 20.04

Hi I've downloaded the file mysql-server_8.0.21-1ubuntu20.04_amd64.deb-bundle.tar from mysql site.I've extracted it to see below list of deb fileslibmysqlclient21_8.0.21-1ubuntu20.04_amd64.deblibmysqlclient-dev_8.0.21-1ubuntu20.04_amd64.debmysql-client_8.0.21-1ubuntu20.04_amd64.debmysql-common_8.0.21-1ubuntu20.04_amd64.debmysql-community-client_8.0.21-1ubuntu20.04_amd64.debmysql-community-client-core_8.0.21-1ubuntu20.04_amd64.debmysql-community-server_8.0.21-1ubuntu20.04_amd64.debmysql-community-server-core_8.0.21-1ubuntu20.04_amd64.debmysql-community-server-debug_8.0.21-1ubuntu20.04_amd64.debmysql-community-test_8.0.21-1ubuntu20.04_amd64.debmysql-community-test-debug_8.0.21-1ubuntu20.04_amd64.debmysql-server_8.0.21-1ubuntu20.04_amd64.debmysql-testsuite_8.0.21-1ubuntu20.04_amd64.debUsing mysql to build a web project. I want to understandwhat...

Asked on 09/13/2020 by Ajeetkumar

1 answer

Replacing MYSQL table with data from another table - no downtime

I have two tables with identical structures: Table1 and Table2id INT PRIMARY KEY, a TINYINT, b TINYINT, c TINYINT Table1 is actively being used by queries from...

Asked on 09/11/2020 by Phil W.

2 answer

Indexes not used for join

I join listings_tail table and materialised view cals_reviewed_wide_scaled on listing_id column of type integer. The table has around 1,5 billion rows and 2 mln unique listing ids. The MV has...

Asked on 09/11/2020 by Dmitriy Grankin

1 answer

tables inheritance stored procedure

create table CustomerTypes(CustomerTypeID int primary key identity(1,1),CustomerType varchar(11));insert into CustomerTypes(CustomerTypeID,CustomerTypeselect 1, 'Regular' union allselect 2, 'Business'create table Customers(ContactID int primary key identity(1,1),CustomerTypeID int references CustomerTypes(CustomerTypeID),FirstName varchar(25)not null,LastName varchar(25)not null,DOB...

Asked on 09/10/2020 by juclart ngouedi

1 answer

T-SQL Query to retrieve the last full backup (Including split and copy only), Size and Location

I am using the following query answered by Marcello Miorelli. This query serves the purpose for normal backups but fails to determine the actual backup size of all the...

Asked on 09/08/2020 by l.lijith

1 answer

Why does pg_dumpall use the wrong encoding in Ubuntu 16.04 / Postgres 9.5?

I cannot run a "pg_upgradecluster" because there are problems with pg_dumpall. I have set the encoding to UTF8 everywhere on the server but pg_dumpall always uses"SET client_encoding = 'LATIN1';". Where...

Asked on 09/05/2020 by Thomas R.

0 answer

Schema for scarce goods

I have following objects:(Rooms) which are (available in a certain period of time [in days]).During the time of availability they can be (booked) by (users). There are basically...

Asked on 09/05/2020 by empedokles

1 answer

Mongodb Not Restarting with Collections, WiredTiger.wt may be corrupt

I believe my MongoDB did not have a clean shutdown. I am able to restart it in a new location which doesn't have all of my collections. If I try...

Asked on 09/02/2020 by Jay Gupta

3 answer

Restoring multiple files to multiple database with pg_restore

I have multiple dump files and want to restore them with single command. something like thispg_restore -h localhost -p 5432 -U postgres -d gl_election...

Asked on 09/02/2020 by Irakli Ugulava

1 answer

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