MySQL DISTINCT statement.
- 25 July 2022
- Database Performance ManagementSoftware Engineering
MySQL DISTINCT statement is used to remove duplicates from the result set. The DISTINCT operator may be used only with SELECT operators….
PostgreSQL function age.
- 23 July 2022
- Database Performance ManagementSoftware Engineering
The PostgreSQL function age returns the number of years, months, and days between two dates….
Configuring SQL*Plus environment for Oracle application developer.
- 22 July 2022
- Database Performance ManagementMachine learning
It is very important for a professional developer (programmer) to be able to work effectively in the SQL*Plus environment. It is important to be able …
PostgreSQL current_timestamp function.
PostgreSQL current_timestamp function returns the current date and time with the time zone….
PostgreSQL current_time function.
The current_time function in PostgreSQL returns the current time with the time zone….
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