Qunar Tech Salon
Apr 30, 2015 · Databases
Parsing and Normalizing Space-Delimited Valid Periods in PostgreSQL
The article demonstrates how to split a space‑separated "validperiods" column into separate begin, end, and price fields in PostgreSQL using string_to_array, to_timestamp, regexp_replace, and unnest to transform the data into a readable tabular format.
PostgreSQLSQLdata normalization
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