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Linux : Installing Software Packages (RPM, YUM and DNF)

XMLTABLE : Convert XML into Rows and Columns using SQL

Hierarchical Queries in Oracle (CONNECT BY)

GROUP BY, ROLLUP and CUBE in Oracle

Oracle REST Data Services (ORDS) : Create Basic RESTful Web Services Using PL/SQL

WITH Clause : PL/SQL Declaration Section in Oracle Database 12c

Oracle Database 21c Express Edition (XE) Installation

Ranking using RANK, DENSE_RANK and ROW_NUMBER : Problem Solving using Analytic Functions

Oracle Linux 7 Installation

Recursive Subquery Factoring : Hierarchical Queries Using Recursive WITH Clauses

ALL, ANY and SOME Comparison Conditions in SQL

SQL/XML (SQLX) : Generating XML using SQL in Oracle

NTH_VALUE : Problem Solving using Analytic Functions

Oracle REST Data Services (ORDS) : SQL Developer Web

DBMS_SESSION.SLEEP Replaces DBMS_LOCK.SLEEP in Oracle Database 18c

Oracle Linux Virtual Machine (VM) on Micorosft Azure

Proxy Authentication : Connect to the database using proxy authentication.

Simple Oracle Document Access (SODA) for SQLcl

Session Sequences in Oracle 12c

AVG, MEDIAN, MIN and MAX : Problem Solving using Analytic Functions

Oracle : Silent Installation and Database Creation

PIVOT and UNPIVOT Operators in Oracle Database 11g

Invisible Indexes in Oracle Database 11g Onward

Linux : Using a Yum Repository to Install MySQL

Create Table for Exchange With a Partitioned Table in Oracle Database 12c Release 2 (12.2)

Real-Time Materialized Views in Oracle Database 12.2 Onward

Schema Only Accounts in Oracle Database 18c Onward

Oracle REST Data Services (ORDS) : SQLcl and Oracle REST Data Services (ORDS)

Rename Objects (Tables, Columns, Constraints, Indexes, Tablespaces) in Oracle Database

Session-Private Statistics for Global Temporary Tables (GTTs) in Oracle 12c

Efficient Function Calls From SQL (Part 1) : Scalar Subquery Caching

Oracle REST Data Services (ORDS) : RESTful Web Services Handling Media Files

Multitenant : PDB Snapshot Carousel in Oracle Database 18c Onward

Convert CentOS to Oracle Linux

DBMS_CLOUD : External Tables

Override External Table Parameters and Inline External Tables in Oracle Database

Kata Containers : Running Containers Inside Lightweight Virtual Machines on Oracle Linux 7 (OL7)

DBMS_JOB Jobs Converted to DBMS_SCHEDULER Jobs in Oracle Database 19c Onward

Oracle Linux Virtual Machine (VM) on Amazon Web Services (AWS)

Efficient Function Calls From SQL (Part 5) : Pipelined Table Functions

UTL_COMPRESS : Compress and Uncompress Data from PL/SQL

Oracle Data Guard Broker

DBMS_RANDOM : Generating Random Data (Numbers, Strings and Dates) in Oracle

Multivalue Function-Based Indexes for JSON_EXISTS in Oracle Database 21c

Docker : Oracle REST Data Services (ORDS) Build

UTL_MATCH : String Matching in Oracle

Virtual Columns in Oracle Database 11g Onward

Oracle REST Data Services (ORDS) : Including Hyperlinks in JSON Output

Read-Only Partitions and Subpartitions in Oracle 12.2 Onward

ANY_VALUE Aggregate Function in Oracle Database 21c

Online Conversion of a Non-Partitioned Table to a Partitioned Table in Oracle 12.2 Onward

Oracle REST Data Services (ORDS) : OAuth Client Credentials Authorization

EXCEPT and EXCEPT ALL Set Operators in Oracle Database 21c

Multitenant : PDB Refresh in Oracle Database 12.2 Onward

Private Temporary Tables in Oracle Database 18c Onward

FIRST_VALUE and LAST_VALUE : Problem Solving using Analytic Functions

Multitenant : Relocate a Pluggable Database (PDB) in Oracle Database 12.2 Onward