Oracle Database Query Techniques and Object Management
1. String Concatenation Operator
SELECT 'Employee: ' || ename || ', Role: ' || job || ', Salary: ' || sal AS details FROM emp;
2. Convert Strings to Lowercase
SELECT LOWER(ename) AS lowercase_name FROM emp;
3. Value Replacmeent
SELECT DECODE(deptno, 10, 'Development', 20, 'Product', 30, 'Maintenance') AS department FROM emp;
4. Extract Curre ...
Posted on Mon, 18 May 2026 11:54:38 +0000 by vponz
Configuring Rsync for Automated Remote File Synchronization
Setting up an Rsync daemon on a server enables efficient and secure file mirroring to remote clients. This guide walks through deploying a sync service on 192.168.18.211 to replicate /root/rsync-server/ to a client's /root/rsync-local directory, leveraging CentOS 6.5's built-in rsync capabilities.
Verification and Installation
Confirm rsync is ...
Posted on Fri, 15 May 2026 21:00:30 +0000 by phpyoungdeveloper