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What is a tuple in a database?
An arbitrary group of fields within a database record. Usually has some meaning in the context of the record. For example a 3-tuple in an address record might be the fields that contain the first, middle and last names of the person in the address field.
Maximum length of a varchar field in SQL Server?
12,500 is the maximum length of a varchar field. The nVarchar field has the same limitation however you will use twice the data store space with an nVarchar as it is effectively the same as a varchar with the exception that it will store data required for international character sets. If you support a multi-language system then you will want to use a nVarchar character type for these fields.
What is the Average pants size for a 15 year old girl?
depends on the brand and style cause every clothing store is different a size 1 on one store could be a 3 in another store so there is really no average pant size
A store had 135 customers in the morning and 884 customers in the afternoon about how man more customers did the store have in the afternoon than the morning?
To find out how many more customers the store had in the afternoon than in the morning, subtract the number of morning customers from the number of afternoon customers. So, 884 (afternoon) - 135 (morning) equals 749. Therefore, the store had 749 more customers in the afternoon than in the morning.
Which one of the following items would be most likely to keep in a database?
Databases can store any manner of information in a digital format so it is easy to store, organize, save, send, and share.
In a database what fields store numbers used to perform calculations?
In a database, fields that store numbers for calculations are typically referred to as "numeric fields" or "numeric data types." Common examples include integers, decimals, and floating-point numbers, which can be found in columns designated for financial data, quantities, or measurements. These fields allow for arithmetic operations such as addition, subtraction, multiplication, and division to be performed on the data.
What type of field can store numeric data that can be used in mathematical calculations?
In database systems, the fields Integer, Number, Floating, Long are the datatypes used for storing and representing numbers or numeric data. Calculations can be performed based on these data types. Refer to the application/system specific manual for the exact implementation of the above.
Why some fields that store only numbers have a text data type?
Some fields that store only numbers may use a text data type to accommodate specific formats, such as leading zeros or special characters (e.g., phone numbers, ZIP codes) that should not be mathematically manipulated. Additionally, using a text data type can allow for greater flexibility in data entry and prevent unintentional calculations. This approach ensures that the data is stored exactly as intended, preserving its meaning and context.
Why are binary numbers important in computing and how do they play a crucial role in the digital world?
Binary numbers are important in computing because they represent data using only two digits, 0 and 1. This simplicity allows computers to process and store information efficiently. In the digital world, binary numbers are the foundation of all digital devices and systems, enabling them to perform complex calculations, store vast amounts of data, and communicate with each other effectively.
What is alphanumeric or text database?
A field of this data type will accept both numbers and text. The alphanumeric keys are the part of the deyboard that looks like a typewriter. When to use - it you want to enter text, or a mixture of text and numbers. When NOT to use - if you want to store only munbers, or only dates. You can enter numbers or dates into text fields but they would get sorted as if they were words and could not easily be used for any calculations.
When was Fields - department store - created?
Fields - department store - was created in 1950.
Process structure of a Mrs Fields store?
Process structure of a Mrs Fields store
When float exist?
Floats exist in programming languages to represent decimal numbers. They are used to store values with decimal points and are typically defined as floating-point numbers. Floats are useful for calculations that require high precision and accuracy in handling fractional numbers.
What is the initial location of Marshall Fields department store?
The initial location of Marshall Fields department store is in Chicago, in Illinois. The Marshall Fields department store was later acquired by Macys in 2005.
What are number systems use in computer to store data and perform calculations?
Binary number system ,which has only two digits 0 and 1.
How does the computer process and store data efficiently?
Computers process and store data efficiently by using algorithms to quickly perform calculations and operations, organizing data into structured formats for easy access, and utilizing storage devices like hard drives and solid-state drives to store information in a way that can be quickly retrieved when needed.
What does variable allow you to do that you couldn't do before?
In computer programming, or in algebra? In computer programming, you can store a value that you recover later, and you can do generic calculations, which work for all sorts of numbers, not just for one specific number.
