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Cost minimizing algorithm in MATLAB?

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#matlab #sorting #linear-algebra #cost-based-optimizer
1.7k
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What is the estimate elapsed time for a query given its explained cost

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#postgresql #database-performance #explain #cost-based-optimizer
96
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For loop writing over part, but not all, of previous entry in array

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#python #arrays #python-3.5 #random-walk #cost-based-optimizer
984
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Reasons for Oracle Automatic Degree of Parallelism?

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#sql #performance #oracle11g #parallel-processing #cost-based-optimizer
75
Views

How do you inspect candidate logical plans of cost-based SQL optimizer in spark (scala)?

Published on
#sql #apache-spark #cost-based-optimizer #catalyst-optimizer
271
Views

Convincing the Oracle SQL optimizer that an indexed (though non-UNIQUE) column actually contains unique values in practice

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#sql #oracle #optimizer-hints #cost-based-optimizer
104
Views

what's the difference of 'not in' and 'not exists'?

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#database #oracle #url-rewriting #cost-based-optimizer
4k
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Why are bad row estimates slow in Postgres?

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#postgresql #query-optimization #cost-based-optimizer
160
Views

MySql Query optimizer

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#mysql #query-optimization #cost-based-optimizer
152
Views

Oracle Cost-Based Optimizer: how to use statistics on foreign key column of fact table when criteria is on the dimension table

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#oracle #query-optimization #query-performance #sql-execution-plan #cost-based-optimizer
446
Views

How do I tune a posterior probability threshold value for a binary classifier using more than one performance measure with the mlr package in R?

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#r #classification #threshold #mlr #cost-based-optimizer
5.1k
Views

Do foreign key constraints influence query transformations in Oracle?

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#performance #oracle #optimization #sql-execution-plan #cost-based-optimizer
7.9k
Views

When does the Oracle CBO choose to execute a "merge join cartesian" operation?

Published on
#oracle #optimization #sql-execution-plan #cartesian-product #cost-based-optimizer
110
Views

Maximize sum of subset of arrays under given cost

Published on
#arrays #algorithm #cost-based-optimizer
796
Views

Cost-sensitive loss function in Tensorflow

Published on
#tensorflow #tensor #cost-based-optimizer
284
Views

Resource Allocation Algorithms - Minimize cost given Time

Published on
#python-3.x #algorithm #minimization #cost-based-optimizer
483
Views

Solve assignment problem without cost matrix?

Published on
#algorithm #matrix #space-complexity #memory-consumption #cost-based-optimizer
97
Views

Estimator in Oracle

Published on
#oracle #oracle11g #query-optimization #cost-based-optimizer
75
Views

DBMS: Insert query consistency for constraints PK, FK

Published on
#sql #database #postgresql #cost-based-optimizer
178
Views

Oracle Avoid Wasteful Join Back?

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#oracle #join #indexing #predicate #cost-based-optimizer

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