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How to Select Within Last 30 Days From Date In Postgresql?

4 minutes read

To select data within the last 30 days from a specific date in PostgreSQL, you can use the following query:

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SELECT *
FROM your_table
WHERE date_column >= CURRENT_DATE - INTERVAL '30 days';


This query will retrieve all records from the "your_table" that have a date in the "date_column" within the last 30 days from the current date.


What is the simplest way to filter data based on a 30-day period in PostgreSQL?

You can filter data based on a 30-day period in PostgreSQL by using the BETWEEN clause combined with the current_date and interval functions. Here is an example query:

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SELECT *
FROM your_table
WHERE date_column BETWEEN current_date - interval '30 days' AND current_date;


This query will filter the data in the your_table table based on the date_column column, returning records that fall within the last 30 days.


How to query for data from the past month in PostgreSQL?

To query for data from the past month in PostgreSQL, you can use the following SQL query:

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SELECT *
FROM your_table
WHERE date_column >= current_date - interval '1 month'
AND date_column <= current_date;


Replace your_table and date_column with the name of your table and the name of the column that contains the date you want to filter on.


In this query, current_date returns the current date, and we use the interval keyword to subtract one month from the current date. The WHERE clause filters the results to only include rows where the date_column falls within the past month.


This query will return all rows from the specified table where the date falls within the past month.


What is the most effective way to fetch data from the past month in PostgreSQL?

One of the most effective ways to fetch data from the past month in PostgreSQL is to use the BETWEEN clause along with the current_date function.


You can use the following query to fetch data from the past month:

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SELECT *
FROM your_table
WHERE your_date_column BETWEEN current_date - INTERVAL '1 month' AND current_date;


This query will fetch all data from the your_table table where the your_date_column falls within the last month. The current_date function returns the current date, and by subtracting 1 month from it, we can get the date from the past month. The BETWEEN clause is used to specify the range of dates we want to retrieve data for.


How to extract information from the last 30 days in PostgreSQL?

To extract information from the last 30 days in PostgreSQL, you can use the following query:

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SELECT *
FROM table_name
WHERE date_column >= current_date - interval '30 days';


In this query:

  • Replace table_name with the name of your table.
  • Replace date_column with the name of the column that contains the date you want to filter on.
  • This query will select all columns from the specified table where the date in the specified column is within the last 30 days.


You can adjust the interval as needed to extract information from a different time period.


What is the best way to filter data within a 30-day window in PostgreSQL?

One way to filter data within a 30-day window in PostgreSQL is by using the date_trunc function to truncate the timestamp to the nearest day, and then filter for records that fall within a 30-day range. Here is an example query:

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SELECT *
FROM table_name
WHERE timestamp_column >= current_date - interval '30 days'
AND timestamp_column < current_date;


In this query, we are filtering for records where the timestamp column is greater than or equal to the current date minus 30 days, and less than the current date. This will give you all records that fall within a 30-day window.


What is the recommended approach for querying data within the last month from a specified date in PostgreSQL?

To query data within the last month from a specified date in PostgreSQL, you can use the following approach:

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SELECT * 
FROM table_name
WHERE date_column >= current_date - interval '1 month' AND date_column <= specified_date;


In this query:

  • table_name is the name of the table from which you want to query data.
  • date_column is the name of the column that contains the date values.
  • current_date is a PostgreSQL function that returns the current date.
  • interval '1 month' specifies a time interval of one month.
  • specified_date is the date from which you want to query data.


This query will return all rows from the table_name where the date_column falls within the last month from the specified_date.

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