News

This SQL statement, for example, joins the Customer and SalesOrder table: Select * From Customers ... The following query creates a nested object called Name by assigning the alias Name.First to the ...
FROM table_name WHERE condition GROUP BY column_name; ``` For example, to group order data by customer: ```sql SELECT customer_id, COUNT(order_id) FROM orders GROUP BY customer_id; ``` This query ...
A field you specified in the SELECT part of a union query in the SQL statement for the query has a field data type of Memo or OLE object. You cannot specify a field of either of these types.
JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...
batch_select is handy for pre-selecting ManyToManyField relations and reverse ForeignKey relations. Each section object in that query will have an entry_set_all field containing the relevant entries.
I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 ...
SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and ...