Can someone help me with a power shell skript to run to update username from database? Please read instructions
$ServerName = "_ServerName_"
$DatabaseName = "_DatabaseName_"
$Query = "SELECT * FROM Table WHERE Column = '"

#Timeout parameters
$QueryTimeout = 120
$ConnectionTimeout = 30

#Action of connecting to the Database and executing the query and returning results if there were any.
$conn=New-Object System.Data.SqlClient.SQLConnection
$ConnectionString = "Server={0};Database={1};Integrated Security=True;Connect Timeout={2}" -f $ServerName,$DatabaseName,$ConnectionTimeout
$conn.ConnectionString=$ConnectionString
$conn.Open()
$cmd=New-Object system.Data.SqlClient.SqlCommand($Query,$conn)
$cmd.CommandTimeout=$QueryTimeout
$ds=New-Object system.Data.DataSet
$da=New-Object system.Data.SqlClient.SqlDataAdapter($cmd)
[void]$da.fill($ds)
$conn.Close()
$ds.Tables


ServerInstance = "VCOM "
$Database = "VCOM "
$ConnectionTimeout = 30
$Query = "SELECT COUNT(*) FROM [VCOM_Comm].[dbo].[COMM_ConfigStore]"
$QueryTimeout = 120

$conn=new-object System.Data.SqlClient.SQLConnection
$ConnectionString = "Server={0};Database={1};Integrated Security=True;Connect Timeout={2}" -f $ServerInstance,$Database,$ConnectionTimeout
$conn.ConnectionString=$ConnectionString
$conn.Open()
$cmd=new-object system.Data.SqlClient.SqlCommand($Query,$conn)
$cmd.CommandTimeout=$QueryTimeout
$ds=New-Object system.Data.DataSet
$da=New-Object system.Data.SqlClient.SqlDataAdapter($cmd)
[void]$da.fill($ds)
$conn.Close()
$ds.Tables

DATABASE queries to run from skript
[Takes username ram]
Use aba
SELECT * from [dbo].[Users] where UserDBMnkr LIKE '%ram%'

[Inactivates the user (Get the UserId from the previous query)
Use abc
UPDATE [dbo].[Users]
SET UserStat = 'I'
WHERE UserID= 142

Use abc
UPDATE [dbo].[Contact]
SET CntctStts = 'I'
WHERE CntctID= 161

I would suggest you to use sqlps powershell module which can directly interact with SQL server instead of generic sqlclient.
You can run those command using invoke-sqlcmd.All those lines can be compressed to few lines.