Defender for Azure SQL databases is on (Standard tier)

# Enable Microsoft Defender for Azure SQL Databases
resource "azurerm_security_center_subscription_pricing" "<example_resource_name>" {
  resource_type = "SqlServers"           # CRITICAL: Targets Azure SQL Databases plan
  tier          = "Standard"             # CRITICAL: Enables Defender (Standard)
}

// Enable Microsoft Defender for Azure SQL Databases at subscription scope
targetScope = 'subscription'

resource sqlPricing 'Microsoft.Security/pricings@2023-01-01' = {
  name: 'SqlServers'
  properties: {
    pricingTier: 'Standard' // CRITICAL: Sets Defender plan for Azure SQL DB to ON (Standard)
  }
}