I need to transpose my table. Now i have that type of table: But i want to get the next result How should i transpose my table for achieving this result? Answer Use case statements with min() or max() aggregation:
how to sum 2 record when using left join in sql server?
I have a problem when I use left join and group by running this code: select a.[fromAccCode] ,a.[CenterCode] , CASE WHEN b.CFCUSTYP = 0 THEN ‘m’ ELSE ‘n’ END AS person ,sum(a.[value]) ‘…
SELECT COUNT with JOIN optimization for tables with > 100M rows
I have following query SELECT SUBSTRING(a0_.created_date FROM 1 FOR 10) AS sclr_0, COUNT(1) AS sclr_1 FROM applications a0_ INNER JOIN package_codes p1_ ON a0_.id = p1_.application_id …
Postgresql – JSONB ARRAY – Obtaining results after manipulation as single JSON ARRAY
We are using postgresql 10.5. I have the following schema and data. create table contacts ( contact_seq text, address jsonb ); insert into contacts values (‘1’, ‘[ { “name”: “Jagan”, “…
mysql subquery ERROR [21000][1241] Operand should contain 1 column(s)
I have a table called counterparty. I’m going to have a query on this table Something like this: SELECT (`name`, `mark`, `parent`, `description`) AS table_1 FROM (SELECT `name`, `mark`, `parent`, `…
Remove Trailing Zeros when Casting to Money
How to remove the zeros select CONVERT(varchar, CAST( -3563338 AS money), 1) Output -3,563,338.00 Expected Output -3,563,338
Why we need a primary key?
I am reading about primary keys and at a lot of tutorials, technical blogs etc., and I found that a primary key cannot be null. I think it’s totally wrong because I was able to insert null value in the column. I suppose a primary key can have a not null value only if the column is declared as not
WordPress: How to update data in database using PHP with MySQL?
I am using core PHP to make WordPress custom page template for my website, but when I am updating user id, it was not updating the user id. Suppose I have a user in database and when the user pay amount using PayPal, make that user id 1. By default its id is 0. I want to make that user
Creating Dynamic LINQ Queries using Expression Trees
I am having trouble being able to replicate multiple .Wheres in my linq query using Expression Trees, I need this query to be dynamic since its a search feature.The database I will be querying …
Need to declare a cursor with a variable in the declaration
I had a problem with a maintenance procedure and need to create a second one where I declare a cursor with a list of database ID and pass them into another cursor to get a list of tables for each …