I want to try to do an incremental number for a table, that has to return to 0 when seeing from the previous column (LAG) 0. This is what I tried to do: And this is what I am expecting to get out: I’m not familiar with the WITH common_table_expression is the right way to solve my problem? Answer You
create sql trigger after insert
i have two tables first table orders_details with columns orders_id ,date, admin_id, comments second table orders_tracking with columns orders_id ,date, admin_id in orders_details i have duplicates …
Table variable in User Defined Function SQL Server and performance of UDF
I have an UDF like this CREATE FUNCTION Lob_function ( @policy NVARCHAR(MAX) @table Table ) RETURNS NVARCHAR(MAX) AS BEGIN select @policy= case when @policy like ‘%AMM%’ then ‘AMM’ when @…
Retrieving rows that have different values for a column in unnormalized table
Given the following fruit table, I wanted to write sql query that returns Fruits that have rating of both A and B. In the example, the answer should give Orange and Lemon since they have both A & …
how to Optimize SQL query cross apply
How to optimize this SQL statement. I have tried to put code written in cross apply in another function and in select. SELECT i1.hprop AS investorid, i2.hprop AS investmentid, RATE.dRate FROM …
Mysql : Get COUNT(B.column) as B_count and Left Join B where B_count not equals to 0
I am trying to get rows where the count column b_count is not 0 SELECT `tags`.*, Count(`album_picture_tag`.`tag_id`) AS `c_count` FROM `tags` INNER JOIN `album_picture_tag` …
Customers who’ve ordered one time in the past three years
I’m attempting to retrieve a list of customers who have ordered one time in the past three years. I thought that “HAVING COUNT(INVOICE.INVOICE_NO)=1” would get me there, but I’m still getting multiple invoices from the same customers, so I know they’ve ordered more than once. Tha…
Where can I find MySQL Path/URL for NetBeans?
I’m trying to do school JAVA EE project and I have to connect schema made in mysql from MYSql. part of code is (for SQL select) : and i apperently have no URL somehow Any ideas on that? I’m new to SQL and JAVA EE so i face lots of problems :/ Answer First of all you need a running
SQL append data to table using dense_rank()
I’ve been trying to piece together bits of code that I’ve googled but haven’t had any luck. I’m trying to add a new column to an existing table. I can view the column using the below code from a select query: I basically want to append the results from this select query to my original …
Modify data in a specific format
I want to represent data in a specific format. Currently, the data looks like below- I want to represent it in the below format- Is is there a way to get the data in this format? Answer You want to unpivot and filter. Here is a BigQuery’ish way to do this: