Courses
Tutorials
Practice

Similar Topics

Web Technologies37.4K+ articles

Misc8.8K+ articles

Databases2.2K+ articles

DBMS1.6K+ articles

SQL1.5K+ articles

How To697+ articles

Oracle347+ articles

mysql330+ articles

SQL-Server319+ articles

SQL-Functions25+ articles

SQL-Query

185+ posts

SQL VS ADO.NET With Stored Procedures

Last Updated: 05 March 2024

Stored Procedures have been used as a solution for so many problems, performance issues and not being able to separate the business Logic and transaction management. Store...read more

article_image

Hierarchical Data and How to Query It in SQL?

Last Updated: 19 March 2024

Hierarchical data is structured like a family tree, where each member (node) is linked to others (children) in a parent-child relationship, forming a hierarchy. It's ideal...read more

article_image

How to Escape a Single Quote in SQL ?

Last Updated: 19 December 2024

Structured Query Language (SQL) is an essential tool for manipulating relational databases in the growing field of data management. Whether we are a software developer, a ...read more

article_image

How to Implement Relationships While Designing Tables in SQL?

Last Updated: 26 March 2024

In database design, understanding and implementing relationships between entities is crucial. These relationships, such as one-to-one, one-to-many, and many-to-many, estab...read more

article_image

How to Retrieve Data from Multiple Tables in SQL?

Last Updated: 12 December 2024

In SQL, retrieving data from multiple tables is a common requirement in database operations. Efficiently combining data from different tables allows developers to create c...read more

article_image

How to Get the Identity of an Inserted Row in SQL

Last Updated: 10 December 2024

In databases, Sometimes we need the identity of an inserted row in SQL. The identity value of the newly inserted row is very useful for various purposes in the database. I...read more

Maximizing Query Performance with COUNT(1) in SQL

Last Updated: 19 March 2024

In SQL, maximizing query performance is paramount for efficient database operations. The COUNT() function, particularly COUNT(1), proves pivotal in this endeavor. COUNT(1)...read more

How to SELECT DISTINCT on Multiple Columns in SQL?

Last Updated: 16 December 2024

In the world of databases, data duplication can lead to confusion and inefficiency. SQL provides a powerful tool, SELECT DISTINCT, to retrieve unique values from columns. ...read more

How to Declare a Variable in SQL?

Last Updated: 30 December 2024

Variables in SQL are fundamental for building efficient and scalable database applications. They enhance the flexibility and efficiency of database queries by acting as pl...read more

article_image

How to Write Upsert in SQL?

Last Updated: 26 March 2024

In SQL, the "upsert" operation is a combination of "insert" and "update" operations. It allows you to add new rows if they do not exist in the table, or to replace existin...read more

article_image

How to Split a Delimited String to Access Individual Items in SQL?

Last Updated: 26 March 2024

In SQL, dealing with delimited strings is a common task, especially when handling data that are not structured in a traditional tabular format. Whether it's parsing a list...read more

article_image

How to Execute a SQL Query with Named Parameters in JDBC?

Last Updated: 09 April 2024

Executing the SQL (Structured Query Language) query with named parameters in JDBC (Java Database Connectivity) is the fundamental feature of the database interaction in Ja...read more

article_image

How to fix Cannot Insert Explicit Value For Identity Column in Table in SQL

Last Updated: 16 December 2024

In SQL, encountering the error message "Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF" is a common challenge faced b...read more

article_image

SQL Query to find Employees With Higher Salary than Their Department Average ?

Last Updated: 15 April 2024

Analyzing and understanding salary distributions within departments is a critical aspect of human resource management. In this article, we will explore SQL queries to calc...read more

How can you deal with duplicate data points in an SQL query?

Last Updated: 18 June 2024

Dealing withduplicate datapoints in SQLis a common challengefaced by databaseadministrators, developers, anddata analysts. Duplicate recordscan lead to inaccuratedata anal...read more

Interview-Questions

Data Engineering

Data Science Blogathon 2024

...