Answered Consider The Following Table Instructors Id 12121 15151 Write a single sql query to list in alphabetic order the names of all instructors. note that every column of instructors should be included in the result. there are 2 steps to solve this one. Sql query: for each department, find the highest salary of instructors in that department. instructor schema: instructor( id , name, dept name, salary) id primary key, dept name foreign key referencing department.
Solved 3 Consider The Following Table Professor Id Student Chegg Consider the following table: instructors id 12121 15151 22222 32343 33456 name alice wu john mozart frank einstein el said chelsea dunn deptname finances music physics history physics salary 90000.00 40000.00 95000.00 60000.00 90000.00 write a single sql query to list in descending order the deptnames and names of all instructors. Update instructor set salary = 10000 * ( select count(distinct sec id, semester, year) from teaches where instruction.id = teaches.id);. Consider the following schema: course(courseid, title, deptname, credits) instructor(id, name, deptname, salary) 1. "find the average salary of instructors in the computer science department." 2. "find the total number of instructors who teach a dbe course." 3. find the number of tuples in the course relation. 4. "find the average salary in. Answer of consider the following table: instructors id 12121 15151 22222 32343 33456 name alice wu john mozart frank einstein el | solutioninn.
Solved Consider The Following Table Table 1 Chegg Consider the following schema: course(courseid, title, deptname, credits) instructor(id, name, deptname, salary) 1. "find the average salary of instructors in the computer science department." 2. "find the total number of instructors who teach a dbe course." 3. find the number of tuples in the course relation. 4. "find the average salary in. Answer of consider the following table: instructors id 12121 15151 22222 32343 33456 name alice wu john mozart frank einstein el | solutioninn. Change the "employee" table in such a way: all employees with a salary higher than 80k have class type "premium" and hiring date as the first day of the last year. all employees with a salary of 80k or less have class type "silver" and hiring date as the first day of this current year. Say we want the tuples of the following relation where the instructor is in the physics department. table 1: instructor relation id name dept salary 10101 srinivasan cs 98822.97 12121 wu finance 92298.75 15151 mozart music 99473.86 22222 einstein physics 98718.90 32343 el said history 95757.29 33456 gold phyics 97907.41 45565 katz cs 96998.25. There are 2 steps to solve this one. to find all instruct. Consider two relation schemata r and r′ and let k ⊆r and k′ ⊆r′ such that k = k′ and k′ is the primary key of r′. a foreign key fk is a quadruple (r,k,r′,k′). a database d fulfills the foreign key fk iff: ∀t ∈r: ∃t′ ∈r′: t.k = t′.k′ • foreign keys allows us to reference tuples from table r′ in table r.
Solved Consider The Following Table Table 1 Chegg Change the "employee" table in such a way: all employees with a salary higher than 80k have class type "premium" and hiring date as the first day of the last year. all employees with a salary of 80k or less have class type "silver" and hiring date as the first day of this current year. Say we want the tuples of the following relation where the instructor is in the physics department. table 1: instructor relation id name dept salary 10101 srinivasan cs 98822.97 12121 wu finance 92298.75 15151 mozart music 99473.86 22222 einstein physics 98718.90 32343 el said history 95757.29 33456 gold phyics 97907.41 45565 katz cs 96998.25. There are 2 steps to solve this one. to find all instruct. Consider two relation schemata r and r′ and let k ⊆r and k′ ⊆r′ such that k = k′ and k′ is the primary key of r′. a foreign key fk is a quadruple (r,k,r′,k′). a database d fulfills the foreign key fk iff: ∀t ∈r: ∃t′ ∈r′: t.k = t′.k′ • foreign keys allows us to reference tuples from table r′ in table r.
Solved 1 Consider The Following Table And Answer The Chegg There are 2 steps to solve this one. to find all instruct. Consider two relation schemata r and r′ and let k ⊆r and k′ ⊆r′ such that k = k′ and k′ is the primary key of r′. a foreign key fk is a quadruple (r,k,r′,k′). a database d fulfills the foreign key fk iff: ∀t ∈r: ∃t′ ∈r′: t.k = t′.k′ • foreign keys allows us to reference tuples from table r′ in table r.