Oct 22, 2025 · 3 min read · Oracle PL/SQL offers powerful tools for handling large volumes of data efficiently. Among the most effective are BULK COLLECT, FORALL, MERGE, and SAVE EXCEPTIONS. This article explains how each works, when to use them, and includes practical examples...
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Jul 30, 2025 · 8 min read · Data Structures Data Structures can be defined as containers that hold and organize data in specific formats. Data structures also determine how data are stored, accessed or modified. Data structures can be categorized into two main types; Primitive...
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Jul 2, 2025 · 3 min read · Today I officially kicked off my journey with SQL (Structured Query Language) — the backbone of relational databases and a crucial skill in the DevOps and Cloud Engineering toolbox. Whether you're spinning up Amazon RDS, building a backend pipeline, ...
Join discussionMay 17, 2025 · 1 min read · 목표 : SQL에서 DDL과 DML의 차이점, 각각의 대표적인 명령어들의 용도확인하기. ❓DDL (Data Definition Language) 구조를 정의하는 언어이다. 생성 , 수정 , 삭제 등 전체적인 구조를 결정하는 역할을 한다. DB를 구현할 때, 가장 먼저 사용하는 언어이다. SCHEMA , DOMAIN , TABLE , VIEW, INDEX를 설정한다. create : 데이터베이스 , 테이블 등 생성 alter : 테이블 수정...
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May 15, 2025 · 2 min read · Welcome back to Day 7 of the SQL tutorial series! 👋 Today, let’s explore the 5 main types of SQL commands — this will help you organize your learning and know whyyou’re writing a specific SQL statement. 📌 The 5 Types of SQL Commands CategoryPur...
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Jan 31, 2025 · 3 min read · Introduction Data Query Language (DQL) is a subset of SQL used to retrieve and manipulate data stored in databases. The SELECT statement is the most commonly used DQL command, allowing users to fetch specific data from tables based on various conditi...
Join discussionJan 31, 2025 · 2 min read · Introduction Data Manipulation Language (DML) in SQL is used to manage data within tables. The three most important DML commands are: INSERT INTO – Adds new records. UPDATE – Modifies existing records. DELETE – Removes records from a table. 1. ...
Join discussionDec 11, 2024 · 7 min read · DDL (Data Definition Language) Commands DDL commands are used to define, modify, and manage the structure of a database and its objects (such as tables, schemas, etc.). CommandDescriptionExample CREATECreates a new database object (table, view...
Join discussionOct 8, 2024 · 4 min read · In database management, SQL (Structured Query Language) is an essential tool that allows users to interact with databases. SQL is divided into several sub-languages, two of the most critical being Data Definition Language (DDL) and Data Manipulation ...
PYSParag and 2 more commentedSep 8, 2024 · 5 min read · Imagine waking up every morning with a sense of excitement, knowing that your work is not only your profession but also your passion. For many digital marketers, this is a daily reality—a chance to dive into the dynamic world of online strategies and...
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