closing note: This question does not ask “how can I find the number of columns returned?” which is len(row.Columns()). It is asking a Go-related question concerning the rows.Scan() function. How can I extract all the columns in a row into a slice or equivalent? For example I would like to extract the data in lastcols as a slice. context: for
Tag: sql
SQL MAX: max date from multiple locations same part
what I’m looking to find is that last or max date a part number was purchased from any store. so we can have so sales or sales and just give the max date: part date loc 123 8/1/2022 store 1 123 8/2/2022 store 1 123 null store 2 123 8/3/2022 store 3 result would be: part date Loc 123 8/3/2022
How to use min() together with other column in SQL
I am building an application consisting of an SQL backend and several microservices that communicate with this backend. I am trying to get as little data as possible from the database over the wire so I am trying to fetch the exact records so I don’t have to start looping in the application logic. So this is the source table
How to separate everything inside my sqlite database
i have a database which has two thing in my database, name of a fruit and how long is it in the freezer. when i use rows will actually show the name of the fruit, time in freezer and the amount of fruit in batch How do i separate this, so that Or at least tell me how do i
How to access attached database’s tables using python’s sqlite3?
I am attempting to attach a second database to an sqlite3 connection to a database. However when I attempt to retrieve the tables from the connected database sqlite crashes as there is no such table. Even though the PRAGMA database_list sqlite command displays the connected database file, implying that the attachment was successful. Answer db_2_name’s value is a string that
MySQL 3 tables with 2 join and 1 non join table in one query
Good day, Having problems with querying this type of scenario. Sample scenario: I have 3 tables named tbl_customer, tbl_amount, tbl_expense tbl_customer has fields named customer_id, name, address, date_added tbl_amount has fields named amount_id, customer_id, amount, date_added tbl_expense has fields named expense_id, amount, date_added I want to merge all the table in one result base on the date_added value. I have
How to export data to already existing excel sheet in C#?
I know how to create a new excel and export data into it. But how can I export data to an already existing excel which have some formats and data validation? Answer Take a look to NuGet library ClosedXML . I used it in the past and it’s really straightforward. Install the package in your solution: from VS: Tools >
CURRENT in BigQuery?
I’ve noticed that CURRENT is a reserved keyword for BigQuery at: https://cloud.google.com/bigquery/docs/reference/standard-sql/lexical. What exactly does CURRENT do? I’ve only seen it as a prefix for things such as CURRENT_TIME(), CURRENT_DATE(), and other such stuff but have never seen it by itself. Is this just reserved for future usage or do any SQL statements contain that as a keyword? Answer Just
Export MySQL Database from HeidiSQL to SQL Server. Problem with simple quotes
I have a remote MySQL DB in a hosting that I need to export to my local SQL Server. I use Heidi SQL to connect the DB and I use the Export to single .sql file The problem is that the DB is 5GB and the .sql file is 2.3GB. So I can’t open the .sql with SSMS because it
Find Row with closest date for each item in list in SQL Server
Dear all unfortunately I could not get the solution in this Post to work for my Problem. I have a Table which stores Prices for each ID and attaches a Date. When the Prices are update a new Entry is generated, hence this talble contains mutliple historic Prices for each ID. Now I want to find for each Item in