C#으로 Excel 을 핸들링엑셀파일을 OLEDB 를 사용하는 경우, Microsoft.Jet.OLEDB.4.0 혹은 Microsoft.ACE.OLEDB.12.0 Data Provider 사용가능 XLS 버전에 따른 OLEDB엑셀 97 - 2003 버젼 .XLS 파일 : Microsoft.Jet.OLEDB.4.0 혹은 Microsoft.ACE.OLEDB.12.0, 엑셀 2007 이후 버전 : Microsoft.ACE.OLEDB.12.0 설치여부 점검 자신의 컴퓨터에 어떤 Data Provider 가 설치되어 있는지 체크하기 위해서는 아래 그림과 같이 Powershell 명령 사용 PS> (New-Object system.data.oledb.oledbenumerator).GetElements() | sel..
Amazon Virtual Private Cloud (Amazon VPC) is a secure and seamless bridge between a company’s existing IT infrastructure and the AWS cloud. Amazon VPC enables enterprises to connect their existing infrastructure to a set of isolated AWS compute resources via a Virtual Private Network (VPN) connection, and to extend their existing management capabilities such as security services, firewalls, and ..
Amazon CloudWatch is a web service that provides monitoring for AWS cloud resources, starting with Amazon EC2. It provides customers with visibility into resource utilization, operational performance, and overall demand patterns—including metrics such as CPU utilization, disk reads and writes, and network traffic. To use Amazon CloudWatch, simply select the Amazon EC2 instances that you’d like t..
Amazon Elastic Block Store (EBS) provides block level storage volumes for use with Amazon EC2 instances. Amazon EBS volumes are off-instance storage that persists independently from the life of an instance. Amazon Elastic Block Store provides highly available, highly reliable storage volumes that can be attached to a running Amazon EC2 instance and exposed as a device within the instance. Amazon..
Elastic Load Balancing automatically distributes incoming application traffic across multiple Amazon EC2 instances. It enables you to achieve even greater fault tolerance in your applications, seamlessly providing the amount of load balancing capacity needed in response to incoming application traffic. Elastic Load Balancing detects unhealthy instances within a pool and automatically reroutes tr..
Amazon RDS is a distributed relational database service by Amazon.com. It is a web service running "in the cloud" and provides users a relational database for use in their applications. It was first released on 22 October 2009[2]. Amazon RDS works on lines similar to MySQL, which means that code/infrastructure built on top of MySQL will blend in seamlessly