DAI(Data & AI)

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SQL Query: What is the output of below query

SQL Query: What is the output of below query

Sreenu Y April 07, 2025

WITH T AS (SELECT * FROM A ), T1 AS (SELECT b.* FROM B JOIN T ON b.id = t.id), T2 AS (SELECT c.* FROM C JOIN T…

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Write SQL Query to fill the missing months with previous months salary

Write SQL Query to fill the missing months with previous months salary

Sreenu Y February 25, 2025

Write SQL Query to fill the missing months with previous month’s salary? Video   To achieve the desired output, we can …

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SQL Join Interview question: Different types of SQL joins and describe the output each type produces?

SQL Join Interview question: Different types of SQL joins and describe the output each type produces?

Sreenu Y December 31, 2024

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…

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

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

Sreenu Y December 21, 2024

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

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SQL Convertion Query using Oracle, MySQL, PostgreSQL and SQL Server

SQL Convertion Query using Oracle, MySQL, PostgreSQL and SQL Server

Sreenu Y December 11, 2024

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

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