Insert records in table using Powershell - sql

Question

I need to copy all data in MyDatabase on SERVER1 to SERVER2.
SERVER1 and SERVER2 are in different domains.
SERVER1 can be reached from SERVER2 using SQL Authentication.
SERVER1 and SERVER2 are not linked.
I only have SELECT rights on Mydatabase on SERVER1.
Only tooling to be used is PowerShell
My idea was to write a powershell script that get the names of all tables in MyDatabase on SERVER1, create a SELECT * FROM table statement and execute those one by one.. Insert the returned records in a new table in MyDatabase on SERVER2.
I used that trick to write the data from a database to CSV files. However, now I want to write the data not to a file but to a table.
See the code below
$server_src = "SERVER1" #$args[0]
$database_src = "MyDatabase" #$args[1]
$auth_src = "UID=MyUser;PWD=Mypassword" #$args[2]
$server_dst = "SERVER2" #$args[3]
$database_dst = "MyDatabase" #$args[4]
$auth_dst = "UID=MyUser;PWD=Mypassword" #$args[5]
# set source
$connection_string_src = "Server = $server_src; Database = $database_src; $auth_src;"
$connection_src = New-Object System.Data.SqlClient.SqlConnection $connection_string_src
# set destination
$connection_string_dst = "Server = $server_dst; Database = $database_dst; $auth_dst;"
$connection_dst = New-Object System.Data.SqlClient.SqlConnection $connection_string_dst
# sql to execute on source - get all tables in database $database_src
$sql_src = "select distinct
'$database_src' as dbname
,s.name as schemaname
,t.name as tablename
, 'SELECT * FROM ' + quotename('$database_src')+'.'+
quotename(s.name)+'.'+
quotename(t.name)
AS selectquery
,UPPER(s.name+'.'+t.name) as [dst_name]
from $database_src.sys.schemas s
inner join $database_src.sys.tables t on s.schema_id = t.schema_id"
# actually open the connection and execute $sql_src
$command_src = New-Object System.Data.SqlClient.SqlCommand $sql_src,$connection_src
$connection_src.Open()
$adapter_src = New-Object System.Data.SqlClient.SqlDataAdapter $command_src
$dataset_src = New-Object System.Data.DataSet
[void] $adapter_src.Fill($dataset_src)
$connection_src.Close()
#loop through source query's and insert data in $records
[array] $rows=($dataset_src.Tables | Select-Object -Expand Rows)
$i=0
foreach ($row in $rows)
{
$query = $rows[$i].selectquery
$dst_name = $rows[$i].dst_name
$command_src = New-Object System.Data.SqlClient.SqlCommand $query,$connection_src
$connection_src.Open()
$adapter_src = New-Object System.Data.SqlClient.SqlDataAdapter $command_src
$wanteddata_src = New-Object System.Data.DataSet
[void] $adapter_src.Fill($wanteddata_src)
$connection_src.Close()
# I think I only need to alter the 2 lines below to write the data to a table called $dst_name in the database $database_dst on the server $server_dstinstead of a file. Any existing table on the destination should be destroyed.
$outputfile = "C:\ExportedData\"+$def_filename+ ".csv"
$records= ($wanteddata_src.Tables | Select-Object -Expand Rows) | export-csv -Path $outputfile -Delimiter "|" -NoTypeInformation
$i++
}