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Author Question: Given a table with the structure: EMPLOYEE (EmpNo, Name, Salary, HireDate), which of the following ... (Read 75 times)

Pineapplelove6

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  • Posts: 560
Given a table with the structure: EMPLOYEE (EmpNo, Name, Salary, HireDate), which of the following is not a valid ANSI SQL command?
 
  A) SELECT
  FROM EMPLOYEE
  WHERE Name LIKE 'Ja';
  B) SELECT COUNT()
  FROM EMPLOYEE
  WHERE Salary < 30000;
  C) SELECT HireDate, COUNT()
  FROM EMPLOYEE
  GROUP BY HireDate;
  D) SELECT HireDate, COUNT()
  FROM EMPLOYEE
  WHERE Salary < 30000;

Question 2

Cascading deletions are generally not used with relationships for weak child entities.
 
  Indicate whether the statement is true or false



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juiceman1987

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Answer to Question 1

D

Answer to Question 2

FALSE




Pineapplelove6

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  • Posts: 560
Reply 2 on: Jul 7, 2018
:D TYSM


nathang24

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  • Posts: 314
Reply 3 on: Yesterday
Gracias!

 

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