Essay about Data Warehousing Warehousing Case Study Important of Warehousing Warehouse Warehouse Simulation Paper The Data Warehouse Essays

1. Essay about Data Warehousing
Data Warehouses
In the past decade, we have witnessed a computer revolution that was unimaginable. Ten to fifteen
years ago, this world never would have imagined what computers would have done for business.
Furthermore, the Internet and the ability to conduct electronic commerce have changed the way we
are as consumers. One of the upcoming concepts of the computer revolution in the past ten years has
been that of Data Warehousing. In the following pages, we will examine this concept in the
broadest sense first looking at a brief history of how databases and data warehouses have unrolled.
Then we will look at Data warehousing, what it is, its definition, etc. Secondly, we will focus in on
how it coincides with...show more content...
It is storage that facilitates easy locating of the required goods when an order needs to be picked
for delivery to the customer, that is, when data is required by the end user. Data warehousing
assembles and organizes data from the enterprise operations such as transaction systems (registers,
online order systems, etc.) and stores the data in a format that business or technical people can
analyze. The data warehouse is then made accessible through different means to those individuals in
need of detailed information. The following diagram depicts the role a data warehouse plays in an
order process system.
There are many benefits to using the data warehouse for this business fashion. First, the information
is non–volatile. This means that after the data is in the data warehouse, there are no modifications to
be made to this information. For example, the order status doesn't change, the inventory snapshot
doesn't change, and marketing doesn't change. It is important to realize that once data is brought to
the data warehouse, it should be modified only on rare occasions. It is very difficult, if not
impossible, to maintain dynamic data in the data warehouse. Many data warehousing projects have
failed miserably when they attempt to synchronize volatile data between the operational and data
warehousing systems. Second, data put into a warehouse can be combined
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2. Warehousing Case Study
The third approach is treating CO2 emissions a constraint within the inventory optimisation model.
Chen et al. (2013) set total carbon emissions as a constraint in the EOQ formula, they draw similar
conclusion with Bouchery et al. (2012) that the CO2 emission can be reduced without significantly
increasing operation cost. it is possible to reduce emissions by adjusting order quantities. They also
analyze the implementation of the results under different carbon regulations. Hua et al. (2011)
examine how companies manage carbon footprints in inventory management under the carbon
emission trading mechanism. This paper assumes the carbon emissions from warehouse has linear
relationship with the inventory. CO2 emissions from Warehouse...show more content...
This kind of data could assist managers and researchers measure the energy consumption ang CO2
emissions of warehouses operations. All of these four researchers agree that warehouse energy
consumptions can be mainly classified into three end–use consumption types: HVAC (heating,
ventilation and air–conditioning), lighting and materials handling equipment (MHE). Dhooma and
Baker (2012) summarize these as the following table. Activities Equipment LightingArtificial
lighting for task, decoration and safety HVAC Space heating and cooling, and vetilation MHE
(material handling equipment)Fixed MHEConveyors, cranes, mini–loads, booms, pick by light,
packing equipment and compressors Mobile MHEReach, counterbalance, narrow and very narrow
aisle, pedestrian operated and flexi–truck trucks There are many studies investigating the proportion
of energy consumed by different end–use categories. There is no consistent and comprehensive data
shows exactly how energy is used in warehouse (Dhooma and Baker 2012). For example, in UK,
DECC (2013a) shows that heating is the main energy consumption type, while United Kingdom
Warehouse Association (2010) indicates that 65% of energy is used for lighting and just 12 percent
is used for heating. Similarly, ¬¬ a study by Dhooma and Baker (2012) of four ambient
distribution centres shows that lighting accounts for 29% of energy used
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3. Important of Warehousing
WAREHOUSING
Q1. Define Warehousing or what is Warehousing?
DefinitionоЂЂ Warehousing is that part of firm's logistics System that stores products at and
between point–of–origin and point of consumption, and provides information to management of the
status, condition, and disposition of items being stored.
A warehouse is a point in the logistics system where a firm stores or holds raw materials, semi–
finished goods, or finished goods for varying periods of time.
In the macroeconomic sense, warehousing performs a vital function. It creates time utility for raw
materials, industrial goods and finished products. The proximity of market–oriented warehousing to
the customer allows a firm to serve the customer with shorter lead times. This...show more content...
Types of Warehouses:–
(A) Warehouses can also be classified on the basis of benefits realized from them.
Benefits realized from strategic warehousing
ECONOMIC BENEFITS
SERVICE BENEFITS
(5 basic economic benefits)
(Five basic service benefits)
a) Consolidation
1) Spot Stock
b) Break bulk
2) Assortment
c) Cross dock
3) Mixing
d) Processing/postponement
4) Production Support
e) Sock pilling
5) Market Presence
(B) Warehouses can also be classified on the basis of Ownership:–
Private
Public
–Short Term
– Long Term
Contract or third party
The different types of Public Warehouses are:
1)
General Merchandise
2)

4. Refrigerating Warehousing (frozen/chilled)
3)
Special Commodity Warehouses
4)
Bonded Warehouses
5)
Household Goods and Furniture Warehouses
6)
Field Warehouses
7)
Agriculture Warehouses
8)
Distribution Warehouses
9)
Buffer Storage Warehouses
10)
Export and Import Warehouses
(C) Warehouses can also be classified on their locations/positions:–
Production Positioned
Intermediate Positioned
Market Positioned
Q7. What are the benefits realized from Strategic Warehousing?
A Warehouse should not be included in a logistical system unless it is fully justified on a cost benefit
basis.
Economic Benefits:–
Economic Benefits result when overall logistical costs are reduced by
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5. Warehouse
Safety in Warehouses
Warehouses, large or small, can be hazardous places. The following details highlight some of the
risks that might exist in your warehouse and the steps you can take to prevent accidents. The list is
by no means exhaustive and will vary according to the particular type of premises and operation. As
a starting point, use the blank sheet provided in this pack and carry out your own simple risk
assessment.
Main Types of Hazard
Storage and Racking Incorrectly stacked goods may fall injuring staff below. Overloading of shelves
/racks may lead to collapse. Unsafe methods of stacking or retrieval of goods may lead to falls e.g.
persons climbing on racking, being raised on the forks of lift trucks (FLTs) or using unsuitable...show
more content...
lifting, carrying, pushing and pulling. s Use mechanical devices where possible, e.g. trolleys,
pallet movers, FLTs, conveyors, scissor lifts etc. s Train staff in safe lifting techniques. s Consider
breaking up loads to make them more manageable or the use of two or more people for certain jobs.
s Ensure aisles are of sufficient width and consider raising the height of any working platforms to
reduce the need to bend or twist. s Keep passageways, stairs and delivery areas clear. s Dispose of
loose packaging and bindings properly. s Clean up spillages immediately and display warning
notices. s Fasten cables securely to the floor or re–route overhead if possible
Slips, Trips and Falls Uneven, slippery or obstructed floor surfaces, trailing cables and poor
general housekeeping may lead to accidents. Hazardous Substances Certain items of stock (and
some chemicals used for cleaning) may be classified as hazardous or highly flammable. Exposure to
some of these chemicals through leaks or spillages could cause burns, dermatitis or could be harmful
if inhaled.
s Obtain information on the risks associated with all substances stored and used on the premises
from the manufacturer's hazard data sheet. s Provide special storage conditions if necessary, e.g. a
fire resistant store or cabinet s Inspect substances on delivery to ensure packaging is intact, devise
safe handling procedures and store in original containers. s Devise a procedure for
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6. Warehouse Simulation Paper
Sponsor: Our CEO is aware of the ongoing organization issue and is fully supporting this project.
He is overseeing the budget and keeping our warehouse focused on the need for it to be
implemented. He is also responsible to approve any cost overruns and overtime pay when
necessary Project Manager: Our operations manager is the manager for this project. He is
responsible to set the timelines, monitor costs, and ensure that the project is completed on time. He
is also who will be ultimately responsible to ensure that the locations of products supports smooth
traffic flow in the warehouse. Supplier: Our racking supplier will be working with us to optimize the
utilization of our existing warehouse space. They will be helping with the design and...show more
content...
The warehouse staff will need to move items to temporary storage locations, assist in setting up
racking, and restocking shelves. Our data entry department will be required to update each item
with package sizes, weights, and warehouse location information. Triple constraints: 1.
Performance. The driving constraint on this project is the performance. The most important aspect
of this project is that the warehouse is able to quickly find needed products. Time wasted in
searching for products delays our delivery trucks leaving in a timely manner and also means that
walk in customers have to wait for an excessive amount of time 2. Time. The middle constraint on
this project is time. The improved performance of the warehouse staff when this project is more
important than the cost. This project is not very expensive in terms of cash outlay, and if it could be
sped up by spending a little extra money, either through overtime wages or expedited racking
modifications, that would benefit us greatly. 3. Cost. On this project, cost is the least important
constraint. Anything that can be spent to improve either the performance or the time is well worth
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7. The Data Warehouse Essays
A Data Warehouse is a database–centric system of decision support technologies used to consolidate
business data from many disparate sources for use in reporting and analysis (Data Warehouse). Data
Warehouses and Data Warehouse systems are primary used to server executives, senior management,
and business analysts with accurate, consolidated information from various internal and external
sources to aid in the process of making complex business decisions (Data Warehouse Process).
The term Data Warehouse was first coined by Bill Inmon, who has been commonly recognized as
the "father of data warehousing" and is the lead proponent of the normalized or sometimes referred
to as the top–down, approach to Data Warehouse design (Reed, M.)(Data...show more content...
Kimball's approach also involves the building of business process specific data marts that collect the
transactional components of the original data and form them into what are known as "facts" (the
data that needs to be measured such as sales or purchases) and links them to well defined dimensions
(the data that facts are measured against for instance, the customers that make the purchases, the
employees that make the sales, and the dates those transactions occurred). This results in a logical
structure commonly referred to as the star–schema data mart. It derives its name from the star like
appearance of a central fact table sorrowed by multiple dimension tables with each dimension table
linked only to the fact table. The main advantages of the dimensional model over the normalized
model are greater performance and quicker time to initial benefit. The dimensional model achieves
this performance via the simplified logical structure of the star–schema data mart greatly reducing
response–time when reacting to user requests as opposed to the spread
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