How can I log if field is got updated or not using RAISE NOTICE or some other command if available. Error: Answer I could something like below, but I am not sure if there another UPDATE query followed by current one, ROW_COUNT will hold new result;
Tag: sql
Copy all values from source table to destination table dynamically in SQL Server. If there is some value in destination table then delete and insert
I have created 2 tables and populated the values in my source table. Now, I want to populate these values into the destination table dynamically and also check if there is any value in the destination table then delete all those values and insert them from the source. This is my approach which is not executin…
How can I insert a value from another table to another on insertion?
I have this table called users. Whenever I sign up a user, I generate an UUID for him. When this UUID is generated I want to insert a row in another table called health, with the same UUID that was inserted on the users table. I was trying to make this way, but I can’t make it work: I’m having
Missing rows in full outer join
I am trying to count how many users are observed on each of the 3 consecutive days. Each of the 3 intermediate tables (t0, t1, t2) has 2 columns: uid (unique ID) and d0 (or d1 or d2, which is 1 and indicates that the user is observed on that day). The following query: produces this output from spark.sql(q).to…
How to improve a mysql COUNT query for speed?
How can I improve this query for speed? at the moment it’s taking a couple of seconds only to load the php file where the query is without even querying anything. I’ve an index on skillsTrends, jobtitle and industry. Collation: utf8mb4_unicode_ci Number of records < 1,000,000. Answer Try this c…
Retrieve columns from three tables
I want to use columns from three different tables and use them to calculate how much each customer has ever spent. tblCustomer(CustomerID) tblOrder(CustomerID, ProductID, Amount) tblProduct(ProductID, Price) So I want to filter out the orders made by a customer, check what product they ordered and what amount…
I need to get count of total count for the query I had in postgresql
I created a select query as following, now I need to get the total count of the “No.of Ideas generated” column in a separate row as total which will have a count of the individual count of particular idea_sector and idea_industry combination. Query: Output: Required output: Answer You can accompli…
Append additional conditions to a query
I have a query where I need to add several conditions as an OR clause, because I want to use LIKE, so I can not use IN instead. So how can I add multiple OR from an array? The SQL should look like this: where ‘a’, ‘b’, ‘c’ is from an array. Answer From the Rails API docs, t…
Issue with adjusting CAST in a calculation (precision)
I believe it should be an easy fix for someone who is good at casting. I appreciate your help. My calculation is : Example Therefore my calculation is But I have 1.00 as a result There is an issue with precision I believe. Does someone know how I can adjust the so that the 4 is not dropped? Answer I
Date in where clause returning 0 rows
I am trying to get data as follows WHERE DateCommande = ‘2018-09-05’ but it doesn’t work on my computer. Returns rows, including rows that show 2018-09-05 as the datetime value in a datetime column. However, on SSMS on my computer, if I add a WHERE clause, the query returns 0 rows: Answer yy…