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COP 4710 Theory and Structure of databases Sections 3 Questions with complete solution 2024 £11.04
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COP 4710 Theory and Structure of databases Sections 3 Questions with complete solution 2024

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COP 4710 Theory and Structure of databases Sections 3 Questions with complete solution 2024 COP 4710 Theory and Structure of databases Sections 3,4 and 5 The ____ clause filters rows - correct answer WHERE What query would we use to select all the employees from the Employee table whose fi...

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  • September 7, 2024
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  • 2024/2025
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  • cop 4710 theory and structure of databases section
  • cop 4710 theory and structure of databases

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COP 4710 Theory and Structure of
databases Sections 3,4 and 5
The ____ clause filters rows - correct answer ✔WHERE


What query would we use to select all the employees from the Employee table
whose first name is the same as his last name? - correct answer ✔SELECT
*
FROM Employee
WHERE firstName = lastName


In SQL, how can you return all the rows from a table named "Employee"
sorted in descending order by firstName? - correct answer ✔SELECT *
FROM Employee
ORDER BY firstName DESC


_____ is used to sort - correct answer ✔ORDER BY


Commands that organize information in ascending and descending order: -
correct answer ✔ASC and DESC


Default setting for organizing information in order: - correct answer
✔ascending (ASC)


In SQL, how do you delete a row from a table? - correct answer ✔DELETE
FROM tableName
WHERE column = value;

, In SQL, how do you select all the columns from a table named "Employee"? -
correct answer ✔SELECT FirstName FROM Persons


The syntax to add new rows to a table is: - correct answer ✔INSERT INTO
TableName (column list)
VALUES (value list);


The syntax to list all the rows of the Employee table and FamilyMember table
that match on the employeeId attribute is: - correct answer ✔SELECT *
FROM Employee JOIN FamilyMember
ON Employee.employeeId = FamilyMember.employeeId


Generically:


SELECT *
FROM table1 JOIN table2
ON table1.PK = table2.FK;


The _____ in the ON clause are generally primary and foreign keys. - correct
answer ✔columns


To select all the rows from a table named "Employee" where the value of the
column "firstName" is "John": - correct answer ✔SELECT *
FROM Employee
WHERE firstName = 'John'


The equality comparison operator is "=".

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