primary-key – CodeRavo

Setting Initial Value and Auto-Increment in MySQL: A Step-by-Step Guide

Introduction In database management, particularly when using MySQL, auto-incrementing primary keys are essential for uniquely identifying … Setting Initial Value and Auto-Increment in MySQL: A Step-by-Step GuideRead more

alter table, auto-increment, Create Table, Database Management, MySQL, primary-key, unique-identifier

Retrieving Inserted Identity Values in SQL Server

Retrieving Inserted Identity Values in SQL Server When inserting data into a SQL Server table with … Retrieving Inserted Identity Values in SQL ServerRead more

auto-increment, database, ident-current, identity, identity-column, insert, output-clause, primary-key, retrieving-identity, scope-identity, SQL Server, transactions

Modifying Primary Keys in Existing SQL Tables

Modifying Primary Keys in Existing SQL Tables Primary keys are fundamental to relational database design, ensuring … Modifying Primary Keys in Existing SQL TablesRead more

alter table, constraint, data integrity, database, primary-key, schema-modification, SQL

Generating Universally Unique Identifiers in PostgreSQL

In this tutorial, we will cover the basics of generating universally unique identifiers (UUIDs) in PostgreSQL. … Generating Universally Unique Identifiers in PostgreSQLRead more

gen-random-uuid-function, pgcrypto-module, PostgreSQL, primary-key, universally-unique-identifier, uuid, uuid-ossp-extension

Understanding and Resolving SQL Foreign Key Constraint Errors

Introduction When working with relational databases, foreign key constraints play a crucial role in maintaining referential … Understanding and Resolving SQL Foreign Key Constraint ErrorsRead more

child-table, data integrity, foreign-key-constraint, parent-table, primary-key, relational databases, SQL Server

Understanding Composite and Candidate Keys in Relational Databases

Introduction to Primary and Candidate Keys In relational database design, keys play a pivotal role in … Understanding Composite and Candidate Keys in Relational DatabasesRead more

alternate-key, candidate-key, composite-primary-key, primary-key, relational-database

Generating Unique Identifiers in Oracle Databases

Oracle databases, prior to version 12c, didn’t offer a direct equivalent to the AUTO_INCREMENT feature found … Generating Unique Identifiers in Oracle DatabasesRead more

auto-increment, database, database-design, identity, oracle, primary-key, sequence, SQL, trigger, unique-identifier

Understanding Auto Increment Primary Keys in SQL Server

Introduction In relational database management systems, primary keys are essential for uniquely identifying each record in … Understanding Auto Increment Primary Keys in SQL ServerRead more

auto-increment, Database Management, identity-column, primary-key, SQL Server

Managing Identity Columns in SQL Server

Understanding Identity Columns In SQL Server, identity columns are automatically incrementing numerical values typically used as … Managing Identity Columns in SQL ServerRead more

auto-increment, data integrity, Database Management, dbcc-checkident, identity-column, primary-key, reseed, SQL Server, truncate-table