What is the output of below query for all joins?         SELECT T1.* FROM  T1 JOIN T2 ON T1.C1=T2.C1 AND T1.C2&l…

SQL Query:  Write an SQL query that checks for email addresses with at least 8 alphabetic characters before the "…

Write to SQL query to Classify the values in the column based on criteria. For instance, the Name column in the source …

How to extract the filename from a given file path using different SQL databases: Oracle, MySQL, SQL Server, and Postgr…

In this post, we will explore a common SQL interview question: how to validate the phone number format in the `phone_n…

In this post, we'll explore "How to Effectively Learn SQL in 30 Days."   Today, SQL is an essential…

In our previous post we explored how to transform multiple rows to single rows.( Multiple rows to single row  ) In t…

Write SQL query to concatenate strings from multiple rows into a single row value? #ORACLE with cte as ( select 1 as i…

How Many ways to Table reference in DBT Model     In dbt (data build tool), there are several ways to reference tab…

Data Build Tool – SOURCE Tutorial   1.      What is dbt source?   dbt (short for "data build tool") is a co…