To make your queries run faster, you should avoid unnecessary joins that do not add any value to your results. For example, if you only need data from one table, do not join it with another table ...

I'm trying to figure out how to use the SQL where/in syntax with a paramterized query. For instance let's say I'd like to run the following query:select * from customers where custid in (1,2,3);I ...

When you execute a query using the RIGHT JOIN syntax, SQL does two things: It returns all of the records from both tables that contain matching values, as defined by the ON clause.

Fetching data from the database takes a lot time process. eventually when you need to combine multiple tables in order to fetch the data, reducing database calls becomes very meaningful. although in ...

I checked it again recently though and now it does something very handy indeed: it allows you to pass parameters to SQL queries. Before this, if you wanted to use parameters in your SQL, you had to do ...