Database Essentials Predefined Functions Data Net Worth 2026: Salary, Income & Wealth

Like any RDBMS, Postgres provides robust set of

Let us understand on how to trim or remove leading and lagging characters in a

Let us understand how we can type cast to change the

At times we might have to select values from multiple columns conditionally. We can also have ELSE as part of CASE and WHEN.

Here are some of the numeric

Let us learn on how to perform arthimetic operations on dates and timestamps. Click below to get access to the course with one ...

Let us understand to_char and to_date to extract information from date and timestamp. Click below to get access to the course ...

We use

Let us understand on how to get the position of substring using posittion or strpos Click below to get access to the course with ...

Let us go through the details related to

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Let us undertand on how to use extract

Let us understand on how to perform case conversion of