Question: a. What is difference between the data types of the attributes SALUATION and FIRST_NAME? b. Explain the COMMENT ON COLUMN command. What does it do?

a. What is difference between the data types of the attributes SALUATION and FIRST_NAME?

b. Explain the COMMENT ON COLUMN command. What does it do?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

the following relational algebra questions based on tables S1 and S2 (below) Question 1 What is the output of S1 S2 ? The row identified by sid 22 The rows identified by sid 31 and 58 The row...

Q:

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

Q:

haa23684_PlugInT6CD.qxd 9/6/06 5:38 PM Page 2 CONFIRMING PAGES P L U G - I N T6 Basic Skills and Tools Using Access LEARNING OUTCOMES 1. Describe the primary functions using Microsoft Access. 2....

Q:

Lesson 12 Quiz (Show/Explain all Work) IST 230 Relations on Sets, Databases 1. Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6, 7, 8}. Now let R be a binary relation R from A to B such...

Q:

Project SEE attatchment of mom and pop database In this assignment you will create the physical database from your design created in Project 2. Project 2 was a logical model of the Mom & Pop...

Q:

Welcome! Please read this page (in particular) very carefully. Instructions You need to understand how to send your assignments (deliverables) Instructor: to your instructor. The tabs (bottom of each...

Q:

Microkernel operating systems aim to address perceived modularity and reliability issues in traditional "monolithic" operating systems. (i) Describe the typical architecture of a microkernel...

Q:

an operation that yields a N aN value when neither of its arguments is a N aN, (b) an operation with finite arguments that yields +, (c) an operation with an argument + that yields a finite result....

Q:

Developments in Technology Light is incident from air on the end face of a multimode optical fibre at angle of incidence as shown below. n n 1 2 The refractive indices of the core and cladding are...

Q:

Please write this code in Java and place comments where necessary to understand. Also, please comment the classes etc. Please complete everything. Please do the calculations and the methods as well....

Q:

Find all vectors perpendicular to the plane determined by the three points (1, 3, 5), (3, - 1, 2), (4, 0, 1).

Q:

For a damped system, m, c, and k are known to be m = 1 kg, c = 2 kg/s, k = 10 N/m. Calculate the value of the system overdamped, underdamped, or critically damped? and w, Is

Q:

Question 3 : Find the derivative of y with respect to x , d y d x . a ) ( 5 points ) y = x s i n 3 ( 5 x ) c o s ( x ) b ) ( 5 points ) s i n ( x y ) + e x 2 + y 3 = 1 4

Q:

Ten years ago, a company earned $0.50 per share. Its earnings this year were $2.60. What was the growth rate in earnings per share (EPS) over the 10-year period? O 13.44% O 15.77% 20.61% O 1792%...

Q:

3. Read a famous or familiar speech (such as Martin Luther Kings I Have a Dream speech) or watch one online. (A great site to consider is TED, which offers inspirational speeches about ideas worth...

Q:

4. When creating the outline for your speech, write each main point on a separate index card. Spread the cards out on a table and then pick them up in the most logical order. Does this order match...

Q:

1. LaunchPad for Real Communication offers key term videos and encourages selfassessment through adaptive quizzing. Go to bedfordstmartins.com/realcomm to get access to: LearningCurve Adaptive...