Here is a basic template for using SQL to create tables.
$servers = 'server1','server2','server3','server4'
$sql = @'
USE mydatabase;
CREATE TABLE Persons (
PersonID int,
LastName varchar(255),
FirstName varchar(255),
Address varchar(255),
City varchar(255)
);
'@
foreach($server in $servers){
Invoke-Sqlcmd -Query $sql -ServerInstance $server
}
\_(ツ)_/