I am trying to use a window function to get a value from the previous partition/window frame (rather than from some other row in the same partition). I don’t fully understand how I can do this but have tried various combinations of using: partition clause but with LAG() function omitting partition clause and using an ORDER BY + a RANGE
Tag: sql
SQL Server full-text search gets only one value
It only gets one value back is it possible to get multiple values inside? Like get test, test1 and test2. Answer Looking at each of the three fully visible example rows: ID=25 No match, because IsDeleted is 1 ID=26 Match. This is the row you see in the results. ID=27 NO MATCH, because Contains() matches full words by default. This
Joining two tables where keys from one table is missing
I am not sure what type of join I need to obtain my desired result. As per the below example I am trying to join table 1 to table 2 but I am missing Q3 in the first table. table 1: Quarter Sales Q1 100 Q2 200 Q4 300 table 2: Quarter Cost Q1 20 Q2 50 Q3 70 Q4
C# Multiple comboBoxes used in MySQL Where
Im trying to learn using MySQl with C# so im creating app that allow sorting and adding data to my tables. That is code that i use to show items selected only by my comboBox_1 value. But now i want to add 2nd comboBox and show data that meets both conditions. The problem is i have no idea how to
How to order values with order by x asc but if x has a specific number like 3 to make it show last sql
I have this query but I want that if idcard has values 3 those values to be shown together in the end of the list while the rest 1, 2, 4, 5, 6, to order by asc is it possible to do? Answer You can try using case:
How to convert fields to JSON in Postgresql
I have a table with the following schema (postgresql 14): message are only string, phrases. sentiment is a string, only one word classification are string but can have 1 to many word comma separated I would like to create a json field with these columns, like this: Also, if possible, is there a way to consider the classification this way:
SQL Group by JSON arrays
So I have a JSON variable (var2), which is an array. I have the following data: I’m trying to write a query that gives back the number of dollars and the machines per group: Example: I’m not used to JSON arrays and it’s kinda tricky for me. I’ve tried many things and I can’t find much documentation with examples for
MySQL after update trigger with number of affected rows condition
In MySQL, I want to create a trigger with AFTER UPDATE triggering event for my user table. In next, I have a table named user_log which is use to store the modifications that occurred on the parent table user after any update commands. So, data in user_log table need be as follows: As you can see from the data in
Converting recursive CTE from Postgre SQL to SQL Server
I am having trouble adapting some recursive CTE code from PostgreSQL to SQL Server. Here is my table: and what I am trying to adapt: I have been having issues adapting the use of ARRAYs. Any pointers would be really helpful! Answer Much more quicker will be : Tested with 100003 rows, the results are : Charlieface Query 1 :
Postgres : using computed variable in a SELECT statement part 1/2
I’m having a SELECT statement as follow (doesn’t work): Is there a way to “inject” here the “variable” age_normin the query ? EDIT: Asked a similar question here, but this time with an additional column in the SELECT statement, which is the use case I’m trying to solve Answer We can calculate the age_norm column in a subquery and then