History of ETL
ETL came into the picture and became popular is the mid1970s. This was the period when body corporates started using multiple data in order to store various information related to business. Data integration turned out to be a key factor and hence, ETL became the conventional method of collecting data from different sources and then transforming them prior to loading the data to the final database.
In the 1990s, the concept of data warehouses came into the scene. The data warehouse helped in providing an integrated entry to data collected from multiple systems such as minicomputers, spreadsheets, mainframe computers and personal computers. Over time, various formats of data, systems and sources grew and expanded.
Importance of ETL
The business houses depend on the process of ETL in order to obtain an amalgamated view of the data. These data help in taking various businesses related decisions. ETL is of huge importance. The Extract Transform and Load ETL homework writing services have explained and highlighted the importance of Extract, Transform and Load in a very effective manner. One of the points is that ETL supplies in-depth historical information to the businesses, generally when used along with a warehouse (enterprise data). As the ETL provides an amalgamated perspective, it becomes facile for the businesses to read, analyse and then report the relevant data.
Codifying and reusing a data that moves without technical expertise to write scripts and code enhances data productivity and this is where ETL helps. It is important to improve and evolve with time in order to sustain in the market. ETL has also done the same. It has evolved and improved with time so that it supports the upcoming requirements related to integration such as streaming data. Many times the business houses use both ELT and ETL so as to bring the information together, continue accuracy and furnish data which are required by the warehouses.