DBA

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Dedicated Server Connection -For Those Who Want to Solve “Heavy Workloads” with Dedicated Server Connections

“When the number of connected users increases, server processes multiply too much.”“The response of batch jobs becomes u...
English

Oracle Database Shared Server Connections Explained Clearly and Accurately (Differences from Dedicated Connections / Configuration Steps / Monitoring)

“If the number of connected users increases, the number of processes explodes and slows down.”“If web applications have ...
DBLINK_en

Oracle Synonyms Complete Guide: Creation, Privileges, Verification, and ORA Error Solutions

“I want to remove schema names from my application SQL.”“I want to switch the referenced table depending on the environm...
English

Listener Connection Failover and Load Balancing Explained

To improve the reliability and performance of Oracle Databases, proper configuration of failover and load balancing in l...
ADR_en

Oracle Database ADR (Automatic Diagnostic Repository): A Comprehensive Guide

In operating Oracle Database, quickly detecting and resolving errors or failures is essential for maintaining system sta...
Bronze_en

Complete Guide to NULL in Oracle Database

In Oracle Database, NULL is not just a blank field. It represents a special concept—"an unknown or missing value." Misha...
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Sorting Data with SQL: A Complete Guide to the ORDER BY Clause

This article provides a comprehensive explanation of the ORDER BY clause used in Oracle SQL. Sorting is an essential ski...
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Mastering the WHERE Clause in Oracle SQL: Complete Guide with Examples and Diagrams

The WHERE clause is essential when retrieving data from Oracle SQL tables.This article provides a thorough explanation—f...
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OracleNet Complete Guide: Comprehensive Explanation of Listener Dynamic Configuration

Understanding how to configure the Oracle database listener is crucial for effective database management. Dynamic listen...
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OracleNet Complete Guide: Detailed Explanation of Listener Mechanisms and Static Configuration

OracleNet plays a critical role in managing Oracle databases. Understanding how to configure the listener allows for fle...