3
Some options are:
Create a backup and restore as a different name (if on same server):
https://www.nucleustechnologies.com/blog/restore-sql-database-with-a-different-name/
Script a database by using the Generate Scripts option using Types of data to script set to Schema and Data;
Use the Import and Export Data with the SQL Server Import and Export Wizard.
2
An important note is to ensure you have databases fully backed up before beginning any migration path, particularly when moving between domains. File permissions, and other problems could result in data loss & require reverting to those backups.
If you are using Windows Server 2019
With Windows Server 2019, migrating a cluster to a new domain is ...
1
When you are restoring a dump taken with -C, the database you specify on the command line is name of the database you connect to in order to execute the creation of the new database. Therefore it can't be the name of the new database. It seems like you already know this, you just haven't thought it through. psql is trying to connect to {dbname} because ...
1
I would write something like this, and first run in on the new database - to get the migration code, and then running resulting migration code on the old database - to alter the schema.
It's just a part to add missing columns and not complete. You should also check for is_identity, constraints, other data types and etc.
Maybe there is a complete code in the ...
1
I'm not a PostgreSQL guru, but according to PostgreSQL docs:
DateStyle (string)
Sets the display format for date and time values, as well as the rules
for interpreting ambiguous date input values. For historical reasons,
this variable contains two independent components: the output format
specification (ISO, Postgres, SQL, or German) and the input/output
...
1
Tables are by nature unsorted, so you will not have any performance loss on that site, after inserting your data, but we doen't how your instances is smaller, we can't tell the impact it will have.
Your index on that field will be sorted and so will find the wanted rows quite fast, at least faster as scanning the hole column.
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