Database Management – Page 2 – CodeRavo

Removing Duplicate Rows in Oracle Databases

Identifying and Removing Duplicate Data Duplicate data can creep into any database over time, causing issues … Removing Duplicate Rows in Oracle DatabasesRead more

data integrity, Database Management, delete, duplicate-data, oracle, rowid, SQL, sql-query, window-functions

Understanding and Handling "Saving Changes Is Not Permitted" Error in SQL Server

Introduction In SQL Server, you may encounter an error message saying "Saving changes is not permitted. … Understanding and Handling "Saving Changes Is Not Permitted" Error in SQL ServerRead more

data integrity, Database Management, prevent-saving-changes, schema-changes, SQL Server, sql-server-management-studio-ssms, table-recreation

Insert or Update: Mastering UPSERT in PostgreSQL

In many applications, you need to insert new data into a table while updating existing records … Insert or Update: Mastering UPSERT in PostgreSQLRead more

common-table-expressions, ctes, Database Management, functions, insert, on-conflict, PostgreSQL, update, upsert

Understanding Oracle Sequences: Retrieving Current Values Without Incrementing

Introduction Oracle sequences are database objects used to generate unique numbers, typically for primary key values. … Understanding Oracle Sequences: Retrieving Current Values Without IncrementingRead more

currval, Database Management, nextval, oracle-sequences, oracle-sql, sequence-retrieval

Managing Sequence Resetting in Oracle Databases

Understanding Oracle Sequences Oracle sequences are database objects that generate unique, sequential numbers. They are frequently … Managing Sequence Resetting in Oracle DatabasesRead more

alter-sequence, database, Database Management, increment, oracle, procedure, reset, restart, sequence, SQL

Renaming Database Objects in SQL Server

Renaming database objects, such as tables, columns, and indexes, is a common task in database management. … Renaming Database Objects in SQL ServerRead more

Database Management, handling-dependencies, renaming-columns, renaming-indexes, renaming-tables, sp-rename, SQL Server

Managing User Permissions in PostgreSQL: A Step-by-Step Guide to Granting Full Access on a Database or Schema

Introduction PostgreSQL is an advanced open-source relational database management system known for its robustness and flexibility. … Managing User Permissions in PostgreSQL: A Step-by-Step Guide to Granting Full Access on a Database or SchemaRead more

Database Management, grant-access, object-level-control, PostgreSQL, schema-privileges, user-permissions

Retrieving and Inserting MySQL Table Names Using SQL Queries

Introduction Managing databases often involves dynamically handling tables, especially when you need to perform operations like … Retrieving and Inserting MySQL Table Names Using SQL QueriesRead more

Database Management, information-schema, INSERT INTO, metadata, MySQL, SELECT statement, sql-query, table-names

Working with Databases and Schemas in PostgreSQL

Introduction to PostgreSQL Databases and Schemas PostgreSQL is a powerful, open-source object-relational database system. Unlike some … Working with Databases and Schemas in PostgreSQLRead more

connection, database, Database Management, pgadmin, PostgreSQL, psql, schema, search-path, SQL

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