I have a dataset as shown below, wondering how I can do a rolling average with its current record followed by next two records. Example: lets consider the first record whose total is 3 followed by 4 and 7 ,Now the rolling 3 day average for first record would be 4.6 and so on. Expected output: PS: Having “null” value
Tag: average
How to calculate percentage in group by with condition?
I have a table with this schema: I need to know percentage of failure for example: google -> 50% failure Facebook -> 100% failure I use mysql 5.7 I tried to reach this destination using group by, but I couldn’t Answer You can do conditional aggregation. I like to do this with avg(): For each provider, this gives you a
I need to find the average of all records (Qty) which related Supplier numbers (SNo) if there have at least only one record
I need to find the average of all records (Qty) which related Supplier numbers (SNo) as S1, S2 ..etc. even if there have at least only one record to true the condition this query select only one record and the query checking condition before get the average this is my table : I need to select average qty from the
How to calculate the average value of following n rows based on another column – SQL (Oracle) – updated version of previously answered question
I am trying to calculate average monthly value of PREMIUM for each POLICY_ID in monthly basis as shown below screenshot. When a customer updates his/her yearly PAYMENT_FREQUENCY to a value different than 12, I need to manually calculate the average monthly value for the PREMIUM. In addition, average monthly PREMIUM amount can be changed in time. For instance, for the
SQL Server How to get number of unique values in a column and average score per values?
I have a table like this and so on What I ve done I got distinct count for every city and avg metric value But it is false Appreciate any help updated There is also an additional column id in varchar format Answer The answer here depends on this assumption: You always have exactly 3 metrics per ‘group’ (i.e. likes,
SQL perform AVG after MAX
I have two tables. Table1: | ID1 | ID2 | ID3 | ID4 | |—–+—–+—–+—–| | 200 | 125 | 300 | 201 | | 206 | 128 | 650 | 261 | | 230 | 543 | 989 | 403 | and Table2: | ID1 | ID2 | ID3 | ID4 | …
Performance for Avg & Max in SQL
I want to decrease the query execution time for the following query. This query is taking around 1 min 20 secs for about 2k records. Numbers of records in table: 1348474 Number of records processed through where query: 25000 Number of records returned: 2152 I tried removing the AVG & MAX columns and it lowered to 1 sec. Is there
Changing data type to float and rounding to 2 decimal digits
Tables: Goal: Display each unique job, the total average salary (FLOAT and rounded to 2 decimal places), the total people and the total salary (Float and rounded to 2 decimal places) and order by highest average salary. So the challenge is to keep the cast type as float while rounding it to 2 decimal places. I’ve gotten to where I’ve
PHP – Get Average Handling Time (AHT) from mySQLi Database
I followed this to try to get the AHT from my database. So, the database structure is: _____________________________________________________________________________________ | …
Inner join and average in SQL
I’m new to SQL thus the question. I’m trying to query the following. Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY.Continent) and their respective average city populations (CITY.Population) rounded down to the nearest integer. The table schemas are City: id, name, countryside, population I’ve written the inner join, but can’t seem to figure out