I am currently trying to check a checkbox dependent of the SQL data after selecting the row in a datagridview. I have gotten this to display text with TexBoxes, but cannot get it to check a check box. Yes = True No = False Any recommendations, would be very much appreciated. The table being displayed is bound by’binding source’ the
Why does this suggested solution prefer a different way of calculating percentages based on aggregations?
I’m working through a problem set from CMU’s public db systems course. I have the following two tables: Order Id CustomerId EmployeeId OrderDate RequiredDate ShippedDate ShipVia Freight ShipName ShipAddress ShipCity ShipRegion ShipPostalCode ShipCountry 10248 VINET 5 2012-07-04 2012-08-01 2012-07-16 3 16.75 Vins et alcools Chevalier 59 rue de l’Abbaye Reims Western Europe 51100 France 10249 TOMSP 6 2012-07-05 2012-08-16 2012-07-10
Checking if two values in Query are the same, makes Query very slow
My Goal: A Query, which provides all provinces, in which a building is constructing. My Problem: As soon as I make sure that every building is compared to the same building (comparing upgrade_id) the Query takes forever. Without the last part of the where statement it takes 1 sec, which is totally fine. Table Setup Provinces change from time to
What constrain to use when trying to have one type of something (ex.bank account) for each ID?
I currently have a ACCOUNTS table with account_id attribute as primary key, cookie_type_id as foreign key, and client_id as a foreign key. When trying to make sure that each client_id has no overlap in cookie_type_id (one client cannot make 2 chocolate cookies), should I be using UNIQUE contrain on foreign key like: ALTER TABLE ACCOUNTS ADD UNIQUE cookie_type_id ? The
MySQL Select Count of Duplicate Value In Relation Table
I have 3 tables: foods, order_detail, and orders Here are the records for table foods: Here are the records for table order_detail: And here are the records for orders table: I want to show count order detail grouped by food type. I expected this result: Here is my approach, but it still doesn’t show the expected result. The result is:
Why is the else condition triggered when the when condition is fulfilled?
I take a number for customer type and a string for currency from the user and return the current row. If the currency entered by the user is not available in the table then I should return the row in which the currency value is ‘all’. And if the currency entered by the user exists in the table, I need
How do I take user inputs in CASE statements in SQL?
This is the query I’m trying to execute in SQL Developer, but I get an error: Error at Command Line : 2 Column : 7 Error report – SQL Error: ORA-00904: “INPUT”: invalid identifier 00904. 00000 – “%s: invalid identifier” Can anyone help me out? Answer As Alex commented, if you want to use that substitution variable twice, you’d rather
Looking for an explanation of this attempted SQL injection query
Looking through my logs I found the following query string as an attempt to perform a SQL injection, probably from an automated tool: From what I can tell, it’s attempting a timing based attack to see if any of the tables in my database start with “a” – the sleep function will only run if the union query matches something?
SQL query to fetch all Auctions for whom a particular user has not submitted a Bid
I am working on a project where I want to fetch from my postgres database all the auctions where a particular user has not submitted any bid for the auctions. I am trying to write the query for this. The schema is as follows – Auction Table auction_id (PK) auction_data A1 a1_data A2 a2_data A3 a3_data Bids Table bid_id (PK)
How to persist SQL Server system table records?
I am running a query that returns the last execution time for a stored procedure: I am getting the correct results, but if I run the query again in around 30 seconds, I don’t get any results. Is there a setting or command I need to set or add to persist the results? My goal is to find out what