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5 In the context of query optimization, what does the term “selectivity” mean? a) The percentage of disk space used by the table. b) The speed at which records are accessed. c) The fraction of records that satisfy a condition. d) The order in which records are stored. <button class=”acc”>Show Answer</button> <div class=”pnl”> <p> Answer: […]
Q. 1 Query optimization is primarily concerned with: a) Designing the database schema. b) Choosing the best way to execute a given query. c) Increasing storage space. d) Ensuring ACID properties. Answer Answer: b Q. 2 Which phase of a DBMS translates a high-level query into a low-level query? a) Normalization phase b) Transaction phase
Advantage: Opportunity to study abroad and gain knowledge in the field of your interest. Cover the cost of economy-class air travel. A travel allowance for each trip. Full tuition fee coverage. Cover the medical insurance of scholarship recipients. A monthly allowance. Financial coverage: Fully Funded Country: Different Deadline: 24 May 2024 Apply now: https://tinyurl.com/38jadvck For
Joint Japan World Bank Scholarship Program 2024 Read More »
Ethiopia, a country known for its rich history and diverse culture, is also emerging as a hotspot for investment in the telecom sector. With a population of over 110 million people and a rapidly growing economy, Ethiopia presents a wealth of opportunities for businesses looking to tap into the telecommunications market. One of the key
The Lucrative Opportunities in Ethiopia’s Telecom Sector Read More »
Ethiopian students aspiring to study abroad often face financial constraints that hinder their dreams of pursuing higher education. However, there are numerous international scholarships available specifically for Ethiopian students, providing them with opportunities to study in prestigious universities around the world. These scholarships are offered by various organizations, including governments, universities, and private foundations, with
International Scholarships for Ethiopian Students Read More »
