While passing PostgreSQL command following error 42601: syntax error at or near “$1” Answer After some testing I found that only table values can be passed as parameter not table name and column name. So I changed code like this
Tag: sql
Multiple SUM in one query with multiple where
I’m trying to write a SQL query that produces a table with summarized values for each year and month. I have a table that looks something like this: And another table that looks like this: I want to have a query that returns the sum for each month like this: Explanation of the output: Year and Month are…
How can i mention AM/PM while inserting time value into a table in sql server?
I am trying to insert values in time and column of table(doughnut_ratings) separately, but it is giving following syntax error: Msg 241, Level 16, State 1, Line 65 Conversion failed when converting date and/or time from character string. I am writing the following query, please suggest Answer The problem isn&…
How to merge 2 cells to generate a new value/text in an empty column cell?
I have a table with columns: firstName, lastName and emailAddress firstName and lastName are populated with values but emailAddress column is empty. How do I generate and insert an email address for …
Is there a way to compare all rows in one column of a dataframe against all rows in another column of another dataframe (spark)?
I have two dataframes in Spark, both with an IP column. One column has over 800000 entries while the other has 4000 entries. What I want to do is to see if the IP’s in the smaller dataframe appear in the IP column of the large dataframe. At the moment all I can manage is to compare the first row
How to use DISTINCT and SUM in a same SQL query on MS SQL Express
I have a situation where I need to get DISTINCT values from column “note” and then get the SUM of “price” for above records. I tried with different queries but none of them are working fine. SELECT …
How can I convert this sql query that reorders items in a database to linq?
I currently have a table where an item has a new order based on a column it’s being sorted by. The goal of the sql statement is to reorder the table based on that sort column. The SQL Command …
Display average value of parent values next to each sub value
SQL Fiddle CREATE TABLE Campaigns ( Campaign_ID VARCHAR(255), Campaign_Category VARCHAR(255), Sales_Volume VARCHAR(255), Sales_Quantity VARCHAR(255) ); INSERT INTO Campaigns (…
Is it possible to translate this “join” and “as” query to Laravel PDO functions?
I am struggling to make this SQL query to a Laravel PDO query. Does anyone know how I can do this? (Especially the ‘AS’ statements and the naming in the joins). Query: Answer Directly use join() and select() method like this:
Seperate integer into character PHP
i try to make scoresheet where $row[“first”]=756987 show Math 7, Biology 5, Sport 6, Sociology 9, Chemist 8, English 7 but it keep showing all 7 can someone help solve this and show some example appreciate your help Answer Use str_split() and list() method for your use case, example below: Docs li…