Which of the following statements would add a column job of type varchar 2 and size 20 to the already created Exhibition table? a. ALTER TABLE Exhibition add (job varchar2(20)); b. ALTER TABLE Exhibition add column (job varchar2(20)); O c. ALTER TABLE Exhibition add job varchar2(20); O d. ALTER TABLE Exhibition add column (job); For a variable having value as str="BABY', what is the value of the function initcap(str) ? а. ВАBY b. Baby

Which of the following statements would add a column job of type varchar 2 and size 20 to the already created Exhibition table? a. ALTER TABLE Exhibition add (job varchar2(20)); b. ALTER TABLE Exhibition add column (job varchar2(20)); O c. ALTER TABLE Exhibition add job varchar2(20); O d. ALTER TABLE Exhibition add column (job); For a variable having value as str="BABY', what is the value of the function initcap(str) ? а. ВАBY b. Baby

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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This application manages a parking space for a configurable maximum number of vehicles. The designed application must handle the following functions: ● Each garage slot has a width and depth that describes the slot dimensions.● The garage consists of a configurable maximum number of slots with different dimensions. ● Each vehicle shall be identified by a model name, unique identification number, Model year and vehicle dimensions (width and length).● Park-in function that marks the arrival time of a vehicle if there is an available slot that matches vehicle dimensions.● The slot selection for vehicle park-in could be done using multiple algorithms:○ First Fit selection where the first slot with big enough dimension to host the vehicle will be selected○ Best Fit selection where the slot with the best dimension match should be used where the wasting area of the slot is minimized. ● Slot selection algorithms could be extended in the future version of the application.● Park-out function…
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public class Product { public long ProductID. { get; set; } public string Description { get; set; } public int Price { get; set; } }
Which keyword should be used in order to supply a reference parameter?
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