Xem 1-20 trên 62 kết quả Aggregating results
  • Contents 1 Databasics 2 Retrieval: Basic SELECTion 3 Reshaping Results 4 Aggregating Results 5 Joins 6 Set Queries: UNION, INTERSECT, and EXCEPT 7 Subqueries 8 Modifying Data 9 Creating, Deleting, and Altering Tables 10 Views 11 Transactions 12 Database Privileges 13 Introduction to Cursors, Embedded SQL, Stored Procedures, and Triggers Index 9202 – Xếp hạng Ebook

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  • To shift the focus to inflation, we need to look at changes in the price level. Suppose that inflation exceeds money growth (with velocity held constant). Real money balances will fall and so will aggregate demand.Because real money balances fall at higher levels of inflation, resulting in a lower level of aggregate demand, the aggregate demand curve is downward sloping. Changes in the interest rate also provide a mechanism for aggregate demand to slope down.

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  • Our results generally showed that in the investigated microbial community autotrophic component was dominant over the heterotrophic component during the winter season, while dominance of heterotrophic component in the microbial community was observed during the warmer seasons. Further, within the prokaryotic community heterotrophic prokaryotes were mostly dominant throughout the studied area.

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  • Yadav et al. (2007) studied on fertilizer industrial discharge showed that some components in the discharge may interact with each other and produce toxic to aquatic organisms. For instance, the interaction between dissolved oxygen and ammonia changed the respiratory physiology in fresh water fish. In addition, results showed that the toxicity of the effluent in fish depends on concentration and duration of exposure.

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  • This study of a large, nationally representative sample of Australian women who had recently given birth provides the first examination of consultancy patterns across conventional maternity care providers and CAM practitioners during pregnancy. The study presents four key findings. First, the study reveals a substantial level of CAM practitioner use with nearly half of the pregnant women consulting a CAM practitioner concurrent to conventional maternity care.

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  • The benefits of nonemergency fund operations are the services that come out of the infrastructure they build, not the income generated during construction for carpenters and bricklayers. In evaluating fund projects, the value added as a result of the extra services coming from the project should be considered. This distinction is relevant for projects that upgrade or replace infrastructure, as op- posed to those that build new infrastructure.

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  • To support replication, each spanserver implements a single Paxos state machine on top of each tablet. (An early Spanner incarnation supported multiple Paxos state machines per tablet, which allowed for more flexible replication configurations. The complexity of that de- sign led us to abandon it.) Each state machine stores its metadata and log in its corresponding tablet. Our Paxos implementation supports long-lived leaders with time-based leader leases, whose length defaults to 10 seconds.

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  • Despite the theoretical advantages of identifying individuals with cognitive impairment, there is no evidence to indicate whether this leads to a net benefit or risk to the individual. Although pharmaceutica agents are able to produce measurable changes in cognitive performance in people with Alzheimer’s disease, none has been shown to result consistently in clinically significant improvement. The high cost of investigation to exclude reversible causes of dementia, and the negative effects of labelling are examples of potential harm.

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  • Existing Grant Funding: Existing grant funding should be evaluated as an alternative to new funds. Congress could also evaluate including minimum cybersecurity protection standards in grant proposals for grantees dealing with issues such as national security, law enforcement, and critical infrastructures as a condition for receiving government funds. These would include general protection standards such as updating computer patches or running anti-virus software that would not be overly burdensome to grant recipients.

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  • In June 2001, independent research firm Computer Economics released the results of a study on potential privacy problems in different industry sectors. Banking and finance organizations were determined to be the most susceptible to privacy management problems. The transportation, wholesale, and retail industries also ranked high on the privacy problem susceptibility index compiled by Computer Economics.

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  • The balance sheet perspective gives new insights into the nature of fi nancial contagion in the modern, market-based fi nancial system. Aggregate liquidity can be understood as the rate of growth of aggregate balance sheets. When fi nancial intermediaries’ balance sheets are generally strong, their leverage is too low. The fi nancial intermediaries hold surplus capital, and they will attempt to fi nd ways in which they can employ their surplus capital. In a loose analogy with manufacturing fi rms, we may see the fi nancial system as having “surplus capacity”.

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  • The environmental justice movement brings together all elements of the social justice movement, espousing a more holistic definition of environment that embraces public health, economic development, housing, energy and transportation as well as preservation of natural resources. Environment is defined as where we live, work, learn and play. As children of the larger civil rights movement, environmental justice advocates organize from the bottom up and seek to cultivate and empower community-based leadership.

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  • The test results are provided at the conclusion of this report. A total of ten composite samples were taken over a four month period. The field measurements were taken on each of the grab samples that where used to make up the composite sample. The field data showed that the system had positive impact on pH and Turbidity. pH was consistently on the alkaline side ranging from 6.07 to 8.56 with an average of 7.64. In six of the nine tests, pH was reduced an average of 0.1 to 0.2 and where readings were on...

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  • While managers designed traditional methodologies in an effort to control projects, the technical community gave birth to agile methodologies in response to their frustrations with traditional management (or lack thereof) and the resulting impact on their products and morale. For example, the principles of XP are focused almost entirely on the development process. While the technical community has championed these principles, very little has been written about the management side of agile development projects.

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  • Prion protein (PrP) plays an important role in cell protection from oxida-tive stress due to its action as copper-chelating protein. The present study demonstrates that PrP participates in reductions of Cu 2+ to Cu + ions, and that this process results in fragmentation of protein.

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  • One of the keys to using the logframe successfully is understanding what the definitions mean in operational terms, and in particular the relationship between Results and Project Purpose. Although managers are accountable for delivering the Results, they cannot control the behaviour of the target group. Achievement of the Project Purpose requires a ‘beneficiary response’ whereby the target group uses project services and in doing so derives a benefit for themselves. However, this does not mean that project managers are not responsible for achieving the Project Purpose.

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  • All forward-looking statements contained herein speak only to the facts and circumstances existing as of the date of this presentation. Except as required by applicable law, the Company does not undertake and expressly disclaims any obligation to update or revise any forward-looking statements, estimates, projections, dates, or risks, whether as a result of new information, future events, changed circumstances, or otherwise.

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  • A third has to do with the asym- metry in information between provider and pa- tient concerning the outcomes of intervention; providers advise patients on choice of treatment, and when the providers' income is linked to this advice, excessive treatment can result. As a conse- quence of these last two considerations, in unregu- lated private markets costs escalate without appre- ciable health gains to the patient.

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  • The three year term of the strategy is too short to measure significant changes in nutritional status and mortality as outcome indicators. Instead, the results matrix gives details of the output and outcome (impact) and activity (process) indicators and their source of verification against which effectiveness of the strategy will be measured. The progress made in the implementation of the strategy will be reviewed and updated on an annual basis.

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  • Accumulation ofa-synuclein resulting in the formation of oligomers and protofibrils has been linked to Parkinson’s disease and Lewy body demen-tia. In contrast, b-synuclein (b-syn), a close homologue, does not aggregate and reducesa-synuclein (a-syn)-related pathology.

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