SQL query optimization aims to choose an optimal Query Execution Plan (QEP) for a query. The existing optimizers usually choose the plan with the minimal execution cost. However, in some real ...

The Royal Society of Chemistry has signed the San Francisco Declaration on Research Assessment (DORA), continuing our drive to modernise how we measure excellence in the chemical sciences. We are the ...

We have designed a new type of heterostructured MnO2@SnO2 hollow sphere composite. This particular hollow heterostructured structure material contains two parts: one is the MnO2 hollow spheres and the ...

Take a look at the top 10 opening-day collections of 2025 in Bollywood: Chhaava: 33.10 crores Sikandar: 30.06 crores Housefull 5: 24.35 crores Raid 2: 19.71 crores Sky Force: 15.30 crores ...

A "black box" flight recorder has been found at the site of the Air India plane crash in Ahmedabad, India's civil aviation minister said on Friday. The flight data recorder was recovered within 28 ...

A tool for quality, not just compliance The template, available in both PDF and Word formats, is designed to be adapted. Services can tailor it to their philosophy, policies and community context. The ...