Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Write SQL queries for the following statements. 1) Write SQL code which declares two variables for name and address. Store your name and address in respective variables. Display name and address in a single line using print statement. 2) Display table of 10 in given format using 10 x 1 = 10 10 x 2 = 20 . . . 10 x 10 = 100. 3) Write a code which declares a variable and stores age of youngest employee from “Employee” table. And display name of youngest employee 5 times his. 4) Assume that in “Employee” table, Emp_id are assigned from 1 to onward. ie first employee’s eid is 1, second employee’s eid is 2 and so on. Write a code that displays name of eldest employee without using aggregate function of “max”. You can use count function
The SQL SELECT statement performs case-sensitive comparisons. a. True b. False
9. You want to track date and time of the last write access per row in SQL server?a) Add TIMESTAMP column to the tableb) Add a DATETIME column to the table and assign getdate() as the default valuec) Add a DATETIME column to the table and write a trigger that sets its valued) Add a UNIQUEIDENTIFIER column to the table and use it with SQL Server’s built-in functions
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