How to Use CONCAT_WS() Function in PostgreSQL? CONCATE_WS()is an extension of theCONCAT()function that allows us to add a separator between the concatenated strings. In the CONCAT_WS() function, the term “WS” represents “with a separator”. So, the COCAT_WS() function accepts multi...
lets say I want to use the same filter on df: df1.where("EXTRACT(EPOCH FROM current_timestamp) - EXTRACT(EPOCH FROM to_timestamp(event_recorded_timestamp, 'YYYY-MM-DDTHH:MI:SS.USZ'))/ 3600 <= 4") I am getting:Literals of type 'EPOCH' are currently not supported for the timestam...
In order to concatenate more than two strings, we can use either the string concatenation operator (||) or CONCAT() function provided by PostgreSQL. The CONCAT() function is a built-in function provided by PostgreSQL since version 9.1. We can pass an array of string elements to the PostgreS...
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The group_concat function is unavailable in PostgreSQL, which was available in MySQL. Instead of using group_concat in PostgreSQL, we use array_to_string and array_agg functions. Array_agg function is used to retrieve the array element from the table. Using this function, we are retrieving th...
Method 1 – Use the Ampersand (&) Operator to Join Cells in VBA Concatenate We have a two-column dataset with first names in one column and last names in the other. By merging the two columns, we can get the full names. Steps: ...
Use date arithmetic to calculate the last day of a month. For the current month, that would be: SELECT CAST(date_trunc('month', current_timestamp) + INTERVAL '1 month' AS date) - 1; Share Improve this answer Follow answered Mar 8, 2022 at 9:31 Laurenz Albe 54...
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