I have one table with product id’s and another with daily data for these products. When there is no data I want to return 0 instead of no value at all. I tried using a left join but this doesn’t give the resultset I want since the table I can join on has product id’s only, not per day. I
MySql Select Statement (Other Company)
I am trying to select distinct users that are listed for other companies but not on my company (1). Here is an example From this table, I would like to get row 4 since he is in other company (not 1) but listed on others. I do not want others because they are listed on both my company and others.
Increase the value of a column
I want create a CTE or something that subtract a know value from a sum() of value. How can I solve this, I tried to use LAG() on my CTE but it faulted when my value is negative. This is what I tried to do: This is the result of the query And this is what I expect from the
How do I split column into 2 based on certain conditions in Oracle SQL?
I have a table of 250k worth of data and out of this data I have 1000 rows that have the same data in every column bar one reference column which is different. What I would like to do is split the reference column if certain conditions are met, and if these conditions are not met, the reference value can
mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, string given in while-loop
I currently have this code but it gives me the error mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, string given on line 22 The code is this: I can’t seem to find the error, I am running the same code in another file and there is no issues. Answer You are overwritting $result So you need …
Doing a union on two tables, but renaming columns that may have the same name in postgres and dropping others
I am doing a union on two tables that have some of the same column names. So, say they look something like this: Here is what I am currently doing: Currently I obviously get repeated columns. So here is what I want to do: 1- The table2’s columns name and details, I would like to rename to t1_name and t2…
Select distinct columns for which all rows meet a condition
I want to select the distinct a, b’s for which all the c’s have a specific value (in my case null) So given the rows below the result should be I have failed to successfully translate that to a query, could you please help me out? Answer Try: where bool_and is a postgres aggregate function. Or may…
Choose one value from several columns and create a new column with the chosen value in Oracle SQL Developer
I am trying to build a SQL query where I create a new column that contains a chosen value form several columns. The rows of the columns are all null except one which is the desired value to put in the new column. An example could be as the following: Thank you! Answer As promptly commented by jarlh, you can
Using Oracle SQL to join duplicate counts to an existing subquery
I have been asked to build a query that runs quality checks for data on a certain state test. I have the following query that creates a variable named ‘Flag’ to identify cases where there are issues. The main query is really in a subquery, and I filter out all records where there isn’t a fla…
Using classes from /target
I am using JOOQ. JOOQ generates meta classes, using with database requests. It’s recommended to generate classes into /target/generated-sources/jooq. But when I try to call these meta classes in code, they are not accessible. Please, tell me what to do. Answer This is the default output location because…