When creating a table, when is the Allow null option selected for a column?

Question:

When creating a table, when is the “Allow null” option selected for a column?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

A Practical Guide To Database Design

ISBN: 9780367571931

2nd Edition

Authors: Rex Hogan

See More Books

Question Posted: Jan 05, 2024 02:14 AM

See More Questions

A small consulting company wants to make the switch to QuickBooks Online. All of their expenses are paid at the time they are incurred, so there is no need to track bills in the system. There is only...
BACKGROUND You are an information analyst working for NEE. The company president has asked you to prepare a Quantitative analysis of financial, sales, and operations data to help determine which...
List three specific parts of the Case Guide, Objectives and Strategy Section (See below) that you had the most difficulty understanding. Describe your current understanding of these parts. Provide...
Assume a retailer has fixed costs of $10,000, a unitvariable cost of $25, and a 50% retail margin. How many units must be sold for her tobreak-even? If she has a target profit of $200,000, how many...
What are the factors that affect the spending variance for variable manufacturing overhead?
Refer to Exercise. Approximately what proportion of observations a. Are less than 46? b. Are less than 58? c. Are greater than 54?
Identify three business rules for an ATM system.
Parent Company establishes three wholly owned affiliates in countries X, Y, and Z. Its total investment in each of the respective affiliates at the beginning of the year together with year-end...
On January 1 , 2 0 2 3 , Fisher Corporation purchased 4 0 percent ( 7 2 , 0 0 0 shares ) of the common stock of Bowden, Incorporated, for $ 9 9 2 , 0 0 0 in cash and began to use the equity method...
When creating a table whose key column is an ever-increasing numeric value, how is that column defined when it is created?
When creating a new table, how is the primary key identified?
Go to the web site of the Federal Reserve Bank of St. Louis (FRED) (fred.stlouisfed.org) and find the most recent value and the value from the same quarter four years earlier for Gross Government...
Beagle Beauties engages in the development, manufacture, and sale of a line of cosmetics designed to make your dog look glamorous. Below you will find selected information necessary to compute some...
basing on any fast food chain explain , 1. the factors involved when making a decision. 2. the decision making model would be the most appropriate? 3. the decision making style would be a good fit...
The following income statement was prepared for Frame Supplies for the year Year 1: FRAME SUPPLIES Income Statement For the Year Ended December 31, Year 1 Sales $ 72,250 Cost of goods sold (32,380 )...
The CPI for December of 2 0 2 2 ( shown as 2 0 2 2 - 1 2 - 0 1 in FRED ) was 2 9 8 . 9 9 . The CPI for December of 2 0 2 3 ( shown as 2 0 2 3 - 1 2 - 0 1 in FRED ) was 3 0 8 . 8 5 . ( Enter...
Alice Baxter acquires a residential property on May 1, 2022 and rents out the property. The cost of the property is $385,000, with $95,000 attributable to the land and $290,000 to the building. In...
Is statistical arbitrage true arbitrage? Explain.
Using thermodynamic data from Appendix 4, calculate G at 258C for the process: 2SO 2 (g) + O 2 (g) 88n 2SO 3 (g) where all gases are at 1.00 atm pressure. Also calculate DG8 at 258C for this same...
In this exercise, we will look at the different ways capacity affects overall performance. In general, cache access time is proportional to capacity. Assume that main memory accesses take 70 ns and...
This exercise examines the impact of different cache designs, specifically comparing associative caches to the direct-mapped caches from Section 5.4. For these exercises, refer to the address stream...
Mean Time Between Failures (MTBF), Mean Time To Replacement (MTTR), and Mean Time To Failure (MTTF) are useful metrics for evaluating the reliability and availability of a storage resource. Explore...
A proton is acted on by a uniform electric field of magnitude 243 N/C pointing in the negative x direction. The particle is initially at rest. (a) In what direction will the charge move? +x direction...
Let's say we wanted to incorporate force sensor data into our experiment. We were already using the eyebolt, let's say we first calibrated the force sensor and then did the exact same experiment but...
5) ABC power plant has a stack having an inside diameter of 22 ft which releases exhaust gases at a velocity of 80 ft/s. The temperature is 254 0F. The stack is 600 ft high while the point of release...

When creating a table, when is the Allow null option selected for a column?

Question:

Step by Step Answer:

This parameter is set for columns that are not always p...View the full answer

A Practical Guide To Database Design

Students also viewed these Computer science questions