I have a dataset in my library management system and I have used below query to get specific field only. now I need DATEDIFF function to get the date difference between today date and ReturnDate if there is no any receiveddate value.Further I dont need negative values as well. As an example if currdate()<T…
Tag: datediff
What SQL query can be used to limit continious periods by parameter value, and then to calculate datediff inside them?
I have a table of phone calls consisting of user_id, call_date, city, where city can be either A or B. It looks like this: user_id call_date city 1 2021-01-01 A 1 2021-01-02 B 1 2021-01-03 B 1 2021-01-05 B 1 2021-01-10 A 1 2021-01-12 B 1 2021-01-16 A 2 2021-01-17 A 2 2021-01-20 B 2 2021-01-22 B 2 2021-01-23 A
How to use date_diff for two adjacent sessions using BigQuery?
I’m trying to calculate average hours between two adjacent sessions using the data from the following table: user_id event_timestamp session_num A 2021-04-16 10:00:00.000 UTC 1 A 2021-04-16 11:00:00.000 UTC 2 A 2021-04-16 13:00:00.000 UTC 3 A 2021-04-16 16:00:00.000 UTC 4 B 2021-04-16 12:00:00.000 UTC 1…
SQL – How to select date from the past 5 years to include 1st of Jan of the oldest year
I am trying to select data entered for the past 5 years (to start from the 1st of Jan of the first or oldest year). I’ve constructed the query below but it does not begin from the 1st of January of the oldest year. Any help would be appreciated. Answer You seem to be using MySQL. The simplest method is
Sql – Calculate Inventory Days
I’m trying to calculate inventory day’s over time. I have an issue getting the actual amount of day’s in inventory for the last month. So as for the first row, the 9 days is correct. However the second row should show 34. Since I want to calculate the days between Inv_date and “today&#…
DATE_DIFF() in BigQuery to calculate time between rows
I would like to calculate the time delay between several customer purchases. However, each purchase is saved in an individual row. The data set looks similar to the following: customer | order_id | …
Subtract today’s date with date column in SQL [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I have a column in SQL item_expired, this column stores data in the form of dates from other …
A difference of 10 days in Access SQL
I want to show how many orders have been shipped 10 days before the required date in Access SQL, but I can’t seem to get the syntax right. Answer
Data aggregation by sliding time periods
[Query and question edited and fixed thanks to comments from @Gordon Linoff and @shawnt00] I recently inherited a SQL query that calculates the number of some events in time windows of 30 days from a log database. It uses a CTE (Common Table Expression) to generate the 30 days ranges since ‘2019-01-01&#…
SQL Query to calculate the AVG of DATEDIFF
I’m trying to write a query that gives me a gives me the AVG of a Datediff I have a similar query that I am trying to replicate with my new and here it is: SELECT DATENAME(MONTH, d.OPENED) AS …