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SQL

61 posts

SQL, which stands for Structured Query Language, is a programming language used to manage and manipulate relational databases. It is the standard language used by most relational database management systems (RDBMS), including MySQL, Oracle, Microsoft SQL Server, and PostgreSQL.

when to use SQL Aliases
Neha Singh
  • May 29, 2025

SQL Understanding SQL Aliases for Columns and Tables

  • 5 minute read
SQL aliases simplify queries by temporarily renaming columns and tables for clarity and ease.
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SQL EXISTS Statement
Versha Rawat
  • May 28, 2025

SQL SQL EXISTS Statement: Real-Life Examples for Better Clarity

  • 5 minute read
SQL EXISTS operator: syntax, real-life examples, benefits, and best practices.
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SQL Tuning Process
Neha Singh
  • May 22, 2025

SQL SQL Performance Tuning: How to Optimize Your Database Performance

  • 6 minute read
Optimize queries, index effectively, analyse execution plans, leverage partitioning, and monitor performance.
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SQL Wildcard Characters
Neha Singh
  • May 21, 2025

SQL Master SQL Wildcard Characters for Flexible and Powerful Queries

  • 5 minute read
SQL wildcards enable flexible pattern matching, advanced filtering, and dynamic data retrieval in queries.
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Grant and Revoke Function in SQL
Neha Singh
  • May 21, 2025

SQL GRANT and REVOKE in SQL: A Complete Guide to Managing Permissions

  • 6 minute read
Learn to manage SQL permissions effectively with GRANT and REVOKE commands for enhanced security.
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Sequence in SQL: Syntax, Use Cases, and Best Practices
Neha Singh
  • May 19, 2025

SQL Sequence in SQL: Syntax, Use Cases, and Best Practices

  • 6 minute read
Generates unique, customizable numeric values for primary keys, supports pre-generation, sharing, and advanced numbering.
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PostgreSQL overview
Neha Singh
  • May 13, 2025

SQL What Is PostgreSQL? A Comprehensive Guide for Data-Driven Professionals

  • 7 minute read
Advanced, open-source, object-relational database with extensibility, strong SQL/JSON support, scalability, and robust community.
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My SQL SUBSTRING() Function
Neha Singh
  • May 13, 2025

SQL MySQL SUBSTRING() Function: A Complete Guide

  • 4 minute read
Extract substrings from text in MySQL with flexible, powerful, and efficient SUBSTRING() function.
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SQL Views
Neha Singh
  • May 12, 2025

SQL SQL Views: How to Simplify Complex Queries Efficiently

  • 6 minute read
Virtual tables, simplify queries, enhance security, save storage, and ensure consistent, up-to-date data access
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Neha Singh
  • May 12, 2025

SQL SQL DROP INDEX: How to Remove Indexes Safely

  • 5 minute read
Safely removes indexes, optimizes performance, prevents errors, and supports efficient SQL Server management.
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