{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Histogram Techniques for Cost Estimation in Query Optimization: A Study in Relational Database Systems","author_name":"Xiaohui Yu","thumbnail_url":"https://www.ebooknetworking.net/books/363/937/big3639379063.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3639379063.html\">Histogram Techniques for Cost Estimation in Query Optimization: A Study in Relational Database Systems</a>","width":400,"height":300}