Abstract: The lack of information within relational databases expressed as NULL values presents a problem in ensuring the quality of data and the information retrieved by SQL queries. This is so ...
create table test_null2 (id INT NOT NULL, data int, data2 int) using iceberg; alter table test_null2 alter column id set not null; alter table test_null2 alter column id drop not null; alter table ...
In stressful times, this surprising lesson from neuroscience may help to lessen your anxieties. By Lisa Feldman Barrett Dr. Barrett is a psychologist and neuroscientist. Five hundred million years ago ...
Because no software developer is complete without at least a passing knowledge of the world’s most popular query language If yo were raised on MongoDB or learned full stack development in a coding ...
SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...
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