Fix(backend): Convert to MariaDB 10.6.20 for new server.

static/batch/sql_combine.ps1

@@ -23,6 +23,13 @@ if (!(Test-Path -Path $outputDir)) {
 # Create a StringBuilder for efficiency
 $output = New-Object System.Text.StringBuilder
 
+$output.AppendLine("-- Combined SQL files")
+$output.AppendLine()
+$output.AppendLine("DROP DATABASE IF EXISTS partsltd_prod;")
+$output.AppendLine("CREATE DATABASE partsltd_prod;")
+$output.AppendLine("USE partsltd_prod;")
+$output.AppendLine()
+
 # Process each file
 Get-ChildItem -Path $sourceFolder -Filter $filePattern -File | 
     Where-Object { $_.Name -notin $excludeFiles -and $_.Name -ne $outputFileName } |