how object statistics can make your execution plan wrong

Oracle SQL Tuning with Oracle SQLTXPLAIN doc

Ngày tải lên : 17/03/2014, 19:20

... Environment��17 ■■ Chapter 3: How Object Statistics Can Make Your Execution Plan Wrong ��39 ■■ Chapter 4: How Skewness Can Make Your Execution Times Variable��53 ... statistics from a convenient time Figure 3-7. If your table statistics are very volatile, you may be better off locking them 46 Chapter ■ How Object Statistics Can Make Your Execution Plan Wrong ... which was 100 percent analyzed 40 Chapter ■ How Object Statistics Can Make Your Execution Plan Wrong Figure 3-1. In the “Table Statistics section you can see the number of rows in a table, the...

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SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures

Ngày tải lên : 06/09/2012, 15:56

... with Edit menu commands Draw Frame Objects Make sure that the X-Y Plane @ Z=0 view (plan at lowest elevation) is active (see Step1-D for directions on how to make a view active and page 2-14 for ... sure that the plan view is active and click the XZ View button Your model now appears as shown in Figure 15 Figure 15 Model after frame objects have been added in plan Step Add Frame Objects - 15 ... as shown in Figure 21 Step Add Area Objects - 21 Introductory Tutorial for SAP2000 Version Figure 21 Model after the area objects have been drawn Mesh the Area Object Make sure that the X-Y Plane...

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$Tài liệu Characterization of the Polymorphic Behavior of an Organic Compound Using a Dynamic Thermal and X-ray Powder Diffraction Technique pptx$

Tài liệu Characterization of the Polymorphic Behavior of an Organic Compound Using a Dynamic Thermal and X-ray Powder Diffraction Technique pptx

Ngày tải lên : 14/02/2014, 03:20

... then cooled down to approximately 45 °C, re-scanned to approximately 225 °C, cooled down again, and subsequently scanned to 240 °C The results are shown in Figure The solid–solid phase transition ... second scan may have contributed to the small shift in the onset temperature The endotherm was not observed during the third scan, because the sample melted at 210 °C during the second scan In ... In fact, Form I can be 852 • Vol 11, No 5, 2007 / Organic Process Research & Development converted to Form III by reﬂuxing a slurry in 95/5 acetone/ water Form III, however, cannot be converted...

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Tài liệu Situated Cognition, Dynamic Systems, and Art: On Artistic Creativity and Aesthetic Experience docx

Ngày tải lên : 19/02/2014, 17:20

... on the canvas will change its state, and make the canvas provide the artist with new input that then will provoke another action in the artist, who will again change the state of the canvas, ... can have repercussions on contemporary technology Penny (1999) penetrates the diﬀerences between artist and scientists with respect to how they employ the technology of their times, showing how ... how deeply embodied the object is into the agent or the agent is into the object In the ﬁrst case, the agent feels the object is an extension of him; in the second, the object controls the agent...

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Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection pdf

Ngày tải lên : 23/03/2014, 16:21

... “densest” areas We show that this principle is also beneﬁcial for the text-database world We also show how we can The query interface is available at http://www.cancer.gov/search/cancer_literature/ ... CompletePlanet7 These databases have http://www.invisibleweb.com/ http://www.completeplanet.com/ 16 Web Database U of Michican Cancer Center Java @ Sun.com John Hopkins AIDS Service URL http://www.cancer.med.umich.edu/search.htm ... summary for CancerBACUP, which is in the same category as CANCERLIT, to allow CANCERLIT to be selected when the “Cancer” category is selected (the ActualDFest (metastasis) frequency from CancerBACUP...

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Air Pollution Sampling and Analysis (Laboratory Manual) ppt

Ngày tải lên : 29/03/2014, 14:20

... factors like objectives, method of sampling and resources available If the objective is to study health hazards and material damages, then locations should be kept close to the objects where ... concentration values The specific time-averaged concentration data can then be obtained from continuous records Time-averaged data can also be obtained by sampling for a short time – i.e by sampling ... be away from the sources of pollution It can also be done by gridding the entire area to get statistically recommended values The number of locations however depends upon the variability of concentration...

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SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures GETTING STARTED doc

Ngày tải lên : 01/04/2014, 03:20

... frame/cable/tendon objects, connecting link objects can have zero length Area objects: Are used to model walls, floors, and other thinwalled members, as well as two-dimensional solids (plane stress, plane ... Options The types of objects present in a Display Window can be controlled Also various options can be set to affect how the objects appear and what features are displayed, such as object labels, property ... deselect objects by their various features, such as: All objects on a particular plane All objects that have a given section or property type All line objects parallel to a particular line All line objects...

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dynamic simulation and chemical engineering

Ngày tải lên : 01/04/2014, 10:51

... integrated with the plant’s Distributed Control Systems (DCS) can be used to capture, maintain and develop existing operating skills Among others, a fully deployed operator training system can be used ... between the process subunits can become obvious Further, the process reaction to disturbances (such as feed variation, instruments failure or change of operation strategy) can be fully investigated ... known that big and fast changes in the plant operating conditions should be avoided, since the effects of moving from one operational region to another can be unanticipated and possibly dangerous...

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dynamic time and price analysis of market trends - gilmore 1997

Ngày tải lên : 03/05/2014, 16:07

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high precision dynamic alignment and gap control for optical near field nanolithography

Ngày tải lên : 06/05/2014, 08:53

... operation.1,2 However, radiation from the exit-plane of near-ﬁeld optical elements is only collimated within tens of nanometers, beyond which it diverges and its intensity decreases signiﬁcantly.2–4 ... (six shown) of ISPI patterns and a number of islands (four shown) The bowtie apertures were milled on top of the island using focused ion beam milling [Fig 2(d)] The use of the islands can reduce ... piezoelectric stage moves, Fig 5(c) shows variation of the gap distance is about 40 nm over a scanning distance of 100 lm without the feedback control, which can be caused by a small tip–tilt angle...

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dynamic antisymmetry and the syntax of noun incorporation

Ngày tải lên : 30/05/2014, 22:57

... (word) yifu clothes ∗ wo zuo ta I make him (‘I make things for him.’) wo gen ta zuo I with him make ‘I make clothes with him.’ yifu clothes ∗ wo zuo ta I make him (‘I make things with him.’) wo xiang ... pillow’ / ‘They tabled the matter.’ Example shows a ditransitive, in which the direct object, but not the indirect object, can undergo NI Example shows NI of a path, an instrument and an unaccusative ... aforementioned elements can appear in preverbal PPs (the canonical position for adjunct PPs), while paths, locations and instruments can optionally appear in the canonical object position in Mandarin...

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