How can I make a query (SQL) with two tables?

I have a database like in the attached picture I want to make a query that will display: Home Away Score home Score away Date TeamName1 TeamName3 3 2 2023-03-15 TeamName2 TeamName1 0 1 2023-03-10 TeamName3 TeamName2 2 2 2023-03-09 TeamName1 TeamName4 4 3 2023-03-13 Please help. Thank you in advance. I’m learning sql and… Read More How can I make a query (SQL) with two tables?

How can I normalize a MySQL table that contains NULLs in some fields for some records but not all?

I have a non-normalized table that’s arisen from joining three different tables together that are joining against the PrimaryId field. Most fields have valid values for all fields, but some are missing values in identifiers PrimaryId, Name, Internal_System_One_Identifier, Internal_System_Two_Identifier, abc123, ‘Joes Supermarket’, ’22e0b9f6′, NULL abc123, ‘Joes Supermarket’, NULL, ’22e0b9f8′ abc124, ‘Suzannas Coffee’, ’22e0ba6c’, NULL abc124,… Read More How can I normalize a MySQL table that contains NULLs in some fields for some records but not all?

How can I write a SQL select query where condition depends upon another table?

I have two tables Loan Repayment Schedule loan: id is primary key id, closedon_date – 1, 2022-05-01 2, 2022-06-01 repayment_schedule: loan_id is Foreign key id, loan_id, principal_amount, due_date – 1, 1, 100 2022-05-01 2, 1, 100 2022-06-01 3, 2, 200 2022-05-01 4, 2, 200 2022-06-01 5, 2, 200 2022-07-01 I want to write a select… Read More How can I write a SQL select query where condition depends upon another table?

javascript find select option index based on option text

I am trying (and failing) to check if an option exists in the select element, based on the option’s text: <select id="select"> <option value="13">I1</option> <option value="23">I21</option> <option value="954">I33</option> </select> var select = document.getElementById(‘select’); findInvoice(44); function findInvoice(value_option) { let x = select.value = […select.options].findIndex(option => option.text === ‘I’ + value_option); console.log(x); } This does output the… Read More javascript find select option index based on option text

mysql insert into select join – copy values from one column to another table, passing through a connecting table

I can’t get this to work CREATE TABLE `oc_tax_class` ( `tax_class_id` int(11) NOT NULL, `title` varchar(255) NOT NULL, `description` varchar(255) NOT NULL, `date_added` datetime NOT NULL, `date_modified` datetime NOT NULL ) ENGINE=MyISAM DEFAULT CHARSET=utf8; — ——————————————————– — — Table structure for table `oc_tax_rate` — CREATE TABLE `oc_tax_rate` ( `tax_rate_id` int(11) NOT NULL, `geo_zone_id` int(11) NOT… Read More mysql insert into select join – copy values from one column to another table, passing through a connecting table