Useful tips for everyday
What is row level security in PostgreSQL 9.5? PostgreSQL 9.5 and newer includes a feature called Row Level Security (RLS). When you define security policies…
What is the maximum size of Bigfile tablespace? 128 terabytes A bigfile tablespace contains only one datafile or tempfile, which can contain up to approximately…
What causes a database to crash? Corrupted data, index files, or permission issues cause a significant number of database crashes. There are other reasons too:…
How do you find the answer to a question? 13 Best Sites to Get Your Questions Answered! Answerbag. You can find answers to various questions…
Is cluster analysis predictive or descriptive? Cluster analysis is one of those, so called, data mining tools. These tools are typically considered predictive, but since…
What is boosted decision tree? Boosting means that each tree is dependent on prior trees. The algorithm learns by fitting the residual of the trees…
How do you determine the degree of a polynomial polynomial regression? We can choose the degree of polynomial based on the relationship between target and…
What advantages does the HDFS have over using a single compute node? Means Hadoop provides us 2 main benefits with the cost one is it’s…
How do you code precision and recall? # accuracy: (tp + tn) / (p + n) accuracy = accuracy_score(testy, yhat_classes) print(‘Accuracy: %f’ % accuracy) #…
Why we use the concept of Multitask learning in machine learning? Multitask Learning is an approach to inductive transfer that improves generalization by using the…