Bronze_en Oracle SQL INSERT: Getting Started with Adding Data
IntroductionThe basic operation for adding a new row (record) to a database is oracle insert. This article explains the ...
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Bronze_en ADR_en Log Review and Response Guide When Trouble Occurs
When an issue hits your oracle environment, the quickest recoveries start with a fixed plan for which logs to check and ...
English Dedicated Server Connection -For Those Who Want to Solve “Heavy Workloads” with Dedicated Server Connections
Introduction“When the number of connected users increases, server processes multiply too much.”“The response of batch jo...
English Oracle Database Shared Server Connections Explained Clearly and Accurately (Differences from Dedicated Connections / Configuration Steps / Monitoring)
Introduction“If the number of connected users increases, the number of processes explodes and slows down.”“If web applic...
DBLINK_en Oracle Database Synonyms: From Basics to Practical Use Explained Simply
Introduction“I want to remove schema names from my application SQL.”“I want to switch the referenced table depending on ...
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
IntroductionIn operating Oracle Database, quickly detecting and resolving errors or failures is essential for maintainin...
English Oracle Troubleshooting: 20 Common Errors and Their Solutions
When working with Oracle Database, you may encounter various errors. These errors can arise due to system misconfigurati...
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...
Bronze_en 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...