|Full Exam Name||Oracle Database 12c Advanced PL/SQL|
|Certification Name||Oracle Database Application Development|
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In the following SQL statement, what is the criteria used for partitioning?
Range Partitioning in Oracle
How does Oracle know how to decompose the single logical table into multiple smaller tables? The answer to this fundamental question is that the user or DBA establishes the criterion used by the database for partitioning. In the case of range partitioning, a partition key is specified. The partition key is based on one or more columns in the table that are associated with a value or range of values. Oracle uses the partition key to decide which partition (smaller table) to put each row in. For example, if the partition key is a date field, then Oracle will look at the date associated with the partition key, and insert that row into the smaller table that contains the range of dates associated with the given date.
For instance, given this table:
CREATE TABLE partn_table (in_date DATE, geom SDO_GEOMETRY)
PARTITION BY RANGE (in_date)
(PARTITION Q1_2004 VALUES LESS THAN (’01-APR-2004′),
PARTITION Q2_2004 VALUES LESS THAN (’01-JUL-2004′),
PARTITION Q3_2004 VALUES LESS THAN (’01-OCT-2004′),
PARTITION Q4_2004 VALUES LESS THAN (’01-JAN-2005′)
The data is loaded as follows:
References:http://download.oracle.com/otndocs/products/spatial/pdf/spatial_wp10_bestprac.pdf, page 3
MapViewer uses many parameters to configure its behavior. Identify two ways to specify those parameters.
A. using environment variables
B. by editing a configuration file
C. by having the end user dynamically set them
D. via a web configuration console
Which statement is true about the networks managed by the Oracle Spatial Network Data Model?
A. A link connects two or more nodes.
B. In a directed network, all links can be traversed in both directions.
C. A link can have the same node as start end nodes.
D. A node must be connected to at least two links.
Which statement correctly defines the corresponding Open Geospatial Consortium (OGC) Web Services standards?
A. Web Map Service (WMS) enables browsing and querying against catalog servers.Web Feature Service (WFS) enables geocoding, routing, and usage of mapping and directory services.OpenGIS Location Service (OpenLS) enables access, search, and modification of geospatial features.Catalog Service for the Web (CSW) enables requests and delivery of maps.
B. CSW enables browsing and querying against catalog servers.WMS enables access, search, and modification of geospatial features.OpenLS enables geocoding, routing, and usage of mapping and directory services.WFS enables requests and delivery of maps.
C. WFS enables access, search, and modification of geospatial features.CSW enables browsing and querying against catalog servers.WMS enables requests and delivery of maps.OpenLS enables geocoding, routing, and usage of mapping and directory services.
D. WFS enables access, search, and modification of geospatial features.CSW enables browsing and querying against catalog servers.WMS enables requests and modification of maps.OpenLS enables geocoding, routing, and usage of mapping and directory services.
VMS:The OpenGIS Web Map Service Interface Standard (WMS) provides a simple HTTP interface for requesting geo-registered map images from one or more distributed geospatial databases. A WMS request defines the geographic layer(s) and area of interest to be processed. The response to the request is one or more geo-registered map images (returned as JPEG, PNG, etc) that can be displayed in a browser application. The interface also supports the ability to specify whether the returned images should be transparent so that layers from multiple servers can be combined or not.
CSW: Catalogue services support the ability to publish and search collections of descriptive information (metadata) for data, services, and related information objects. Metadata in catalogues represent resource characteristics that can be queried and presented for evaluation and further processing by both humans and software. Catalogue services are required to support the discovery and binding to registered information resources within an information community.
WFS: The Web Feature Service Interface Standard (WFS) provides an interface allowing requests for geographical features across the web using platform-independent calls.
OpenLS: The OpenGIS Open Location Services Interface Standard (OpenLS) specifies interfaces that enable companies in the Location Based Services (LBS) value chain to “hook up” and provide their pieces of applications such as emergency response (E-911, for example), personal navigator, traffic information service, proximity service, location recall, mobile field service, travel directions, restaurant finder, corporate asset locator, concierge, routing, vector map portrayal and interaction, friend finder, and geography voice-graphics. These applications are enabled by interfaces that implement OpenLS services such as a Directory Service, Gateway Service, Geocoder Service, Presentation (Map Portrayal) Service and others.
The match mode for a geocoding operation determines how closely the attributes of an input address must match the data stored in the geocoder schem
a. Which MATCHMODE attribute would you use so that the geocoder can deliver results despite any discrepancies in the input address?
DEFAULT is equivalent to RELAX_POSTAL_CODE, in which the postal code (if provided), base name, house or building number, and street type can be different from the data used for geocoding.
A, E: There are no match modes named RELAX_ALL or NULL.
B:Exact: All attributes of the input address must match the data used for geocoding.
C:RELAX_BASE_NAME:The base name of the street, the house or building number, and the street type can be different from the data used for geocoding. For example, if Pleasant Valley is the base name of a street in the data used for geocoding, Pleasant Vale would also match as long as there were no ambiguities or other matches in the data.
Which GDAL/OGR command will load a geotiff file named satellite.tif into a georaster column named GEORASTER, in a table named IMAGES with an RDT table named IMAGES_RDT? Assume that the database name, username, and password are mvdemo.
A. gdal_create –of georaster GDAL_IMPORT, GDAL_RDTgdal_import –of georaster satellite.tifgeor:mvdemo/[email protected], IMAGES, IMAGES_RDT
B. gdal_import –of georaster satellite.tif geor:mvdemo/[email protected], GDAL_IMPORT, GDAL_RDT
C. gdal_warp –of georaster satellite.tif geor:mvdemo/[email protected], GDAL_IMPORT, GDAL_RDT
D. gdal_translate –of georaster satellite.tif geor:mvdemo/[email protected], images, georaster
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