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Knowledge Representation for Power System Modelling
Knowledge Representation for Power System Modelling

... between Regional Transmission Operators (RTO’s) and Independent System Operators (ISO’s) in the United States means that many overlapping models must be created and coordinated with each other where previously there was a single model. This introduces new problems of model information exchange, and ...
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... Summary for Certification Examination • Know how to use sys.dm_exec_requests to troubleshoot blocks. • Blocks occur when one session has an exclusive lock on an object that another session needs to use. • If the blocking session does not let go of the lock, then the second session will never comple ...
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Object-relational impedance mismatch

The object-relational impedance mismatch is a set of conceptual and technical difficulties that are often encountered when a relational database management system (RDBMS) is being used by a program written in an object-oriented programming language or style, particularly when objects or class definitions are mapped in a straightforward way to database tables or relational schemata.The term object-relational impedance mismatch is derived from the electrical engineering term impedance matching.
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