Architecture. OLTP vs Data Warehouse. In this tutorial we will learn about the differences between Data Warehouse database and OLTP database and the objectives of a Data warehouse and Data flow. The data warehouse and the OLTP data base are both relational databases. However, the objectives of both these databases are different. The OLTP database records transactions in real time and aims to automate clerical data entry processes of a business entity.
Addition, modification and deletion of data in the OLTP database is essential and the semantics of the application used in the front end impact on the organization of the data in the database. The data warehouse on the other hand does not cater to real time operational requirements of the enterprise. The differences between these two relational databases, is tabulated below for information. Objectives of a Data warehouse and Data flow The data in a data warehouse is extracted from a variety of sources. Metadata is “data about data”. Comments comments. Store or save images in SQL Server database using C# Store or save images in SQL Server database using C# Details Category: SQL Server Published on Tuesday, 25 November 2008 16:59 Written by Shabdar Hits: 183302 This sample code explains you how you can store or save images in SQL Server database using C#. It uses ADO.Net System.Data.SqlClient namespace.
Images can be stored in sql server using Sql parameters. How to Store or Save Image in SQL Server table To store an image in to sql server, you need to read image file into a byte array. 01.private void cmdSave_Click(object sender, EventArgs e) 03. try 06. byte[] imageData = ReadFile(txtImagePath.Text); 09. 12. string qry = "insert into ImagesStore (OriginalPath,ImageData) _ 13. values(@OriginalPath, @ImageData)";
How to Secure Your New WordPress Installation. One of the best ways to ensure strong security for your WordPress-powered site is to secure its foundations during the installation process. Of course these techniques can be implemented at any point during the life of your site, but stetting them prevents headaches and saves time. We’ll start with the WordPress database.. Step 1 – Setting up a secure database Because the database is associated with virtually everything you do on your site, it is best to perform any modifications before configuring your options, installing plugins, and adding options. During the installation process, there are some effective ways of increasing the overall security of your WordPress site.
One of the first things that you can do to bolster security is to setup a proper database, user, and password. CREATE DATABASE `wordpress`; Now we need a user to go with that database. GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP ON wordpress.* TO 'wpuser'@'localhost' IDENTIFIED BY 'password'; Just the beginning..