oracle – Page 2

Understanding Character Data Types and Common Errors in PL/SQL: ORA-06502 Explained

In this tutorial, we delve into a common issue encountered while working with character data types … Understanding Character Data Types and Common Errors in PL/SQL: ORA-06502 ExplainedRead more

buffer-overflow, char, character-strings, ora-06502, oracle, pl-sql, programming best practices, varchar2

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

Creating Entity-Relationship Diagrams with Oracle SQL Developer

Visualizing Your Database: Creating Entity-Relationship Diagrams with Oracle SQL Developer Entity-Relationship Diagrams (ERDs) are powerful tools … Creating Entity-Relationship Diagrams with Oracle SQL DeveloperRead more

data-modeler, data-modeling, database schema, database-design, entity-relationship-diagram, erd, Export, Import, oracle, sql-developer

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

Views and Materialized Views in Oracle: Understanding the Differences

In Oracle, views and materialized views are two types of database objects that allow you to … Views and Materialized Views in Oracle: Understanding the DifferencesRead more

data-warehousing, database-design, materialized-views, oracle, query-performance, views

Connecting to Oracle Databases using JDBC with Service Names

Oracle databases can be connected to using either a System Identifier (SID) or a Service Name. … Connecting to Oracle Databases using JDBC with Service NamesRead more

Connection String, jdbc, oracle, service-name, sid, thin-driver, tnsnames

Identifying and Counting Duplicate Values in Oracle Database Tables Using SQL

Introduction In database management, particularly when dealing with large datasets, it’s crucial to maintain data integrity … Identifying and Counting Duplicate Values in Oracle Database Tables Using SQLRead more

data integrity, duplicate-detection, exists-subquery, group by, having-clause, oracle, SQL

Monitoring Oracle Database Connections

Oracle databases handle numerous connections concurrently, and monitoring these connections is crucial for performance analysis, troubleshooting, … Monitoring Oracle Database ConnectionsRead more

connections, database, database administration, monitoring, oracle, performance, sessions, SQL, v-session

Inserting Multiple Rows into an Oracle Database

Inserting multiple rows into an Oracle database can be achieved through various methods. In this tutorial, … Inserting Multiple Rows into an Oracle DatabaseRead more

insert-all, insert-multiple-rows, oracle, pl-sql-block, simplified-insert, sql-loader, union-all

Retrieving Table Column Names in Oracle

Understanding Database Metadata When working with databases, it’s often necessary to understand the structure of the … Retrieving Table Column Names in OracleRead more

all-tab-columns, column names, data-dictionary, database, describe, metadata, oracle, SQL, table-structure