column WHERE a_condition GROUP BY column HAVING some_condition ORDER BY column LIMIT 5; In what order does SQL run the clauses? Select the correct option from the list of choices below: SELECT, FROM, WHERE, GROUP BY FROM, WHERE, HAVING, SELECT, LIMIT SELECT, FROM, INNER JOIN, GROUP BY FROM, SELECT, LIMIT, WHERE The correct option is 2. It goes like this: The SQL engine fetches the data from the tables ( FROM and INNER JOIN) Filters it ( WHERE) Aggregates the data ( GROUP BY) Filters the aggregated data ( HAVING) Selects the columns and expressions to display ( SELECT) Orders the remaining data ( ORDER BY) Limits the results ( LIMIT) Question 6 What is the purpose of an index in a database table? The purpose of an index in a database table is to improve the speed of looking through that table's data. The standard analogy is that it's (usually) much faster to look up something in a book by looking at its index than by flipping every page until we find what we want. Question 7 What rows of my_table does the following query yield?
3 Years Negotiable This position is responsible for the daytoday security duties and for the timely and accurate delivery of recordkeeping and reporting of the site security Position Responsibilities To assist with the protection of guests staff contractors visitors and client property from loss caused by damage m... Posted Few days ago Key Skills: Not Mentioned Establish contacts with new clients and explain the various solutions and services offered by the company. Maintain client relations and contact with potential/existing clients within various markets. Actively seeking out new sales opportunities through cold calling, networking, and social media... 10 Years - Develop & execute long-term plans & strategies to grow the Security Services across the different countries in Middle East Africa, and across the different Security Services Offerings. - Develop & execute short-term plans to achieve Quarterly & Half objectives including territor... 1 Year Secures premises and personnel by patrolling property; monitoring surveillance equipment; inspecting buildings, equipment, and access points; permitting entry.