# Core SQL > Learn SQL queries, database management, and coding logic through practice. Canonical page: [https://chrome-stats.com/d/com.eifnu.core\_sql](https://chrome-stats.com/d/com.eifnu.core_sql) ## Overview - **ID:** `com.eifnu.core_sql` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Arel BAHA - **Category:** EDUCATION - **Downloads:** 21 - **Version:** 1.0.1 - **Last updated:** 2026-04-30 - **First published:** 2026-04-30 - **Publisher country:** TR - **Size:** 35 MB - **Data as of:** 2026-09-12 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.eifnu.core_sql) - **Privacy policy:** [https://sites.google.com/view/coresql-privacy-policy-arel/ana-sayfa](https://sites.google.com/view/coresql-privacy-policy-arel/ana-sayfa) ## Description Unlock the back doors of the software world with Core SQL! This application is not just a standard database training tool; it's a comprehensive software simulation universe that combines SQL, Cybersecurity, Blockchain, and Algorithm logic under one roof.

Designed for everyone from coding beginners to experts looking to test their skills, Core SQL allows you to practice in a secure, offline "Sandbox" environment.

πŸ”₯ FEATURED SIMULATIONS

1️⃣ ADVANCED SQL AND DATABASE
He who controls the data controls the world!
β˜… Real Coding: Write and run SELECT, INSERT, UPDATE, and DELETE commands directly into the virtual database.
β˜… Error Management & Debugging: Learn debugging by observing the system's reactions to faulty code.
β˜… Table Manipulation: Create your own tables, filter data, and understand database logic.

2️⃣ HACKER TERMINAL (Cybersecurity)
Are you ready to conquer the black screen?
β˜… CLI (Command Line): Experience giving commands to the system with a Linux-style terminal simulation.
β˜… Network Scans: Understand the logic used by cybersecurity experts with simulated IP/Port scans.
β˜… Detective Mode: Complete scenario-based tasks (CTF style) by finding system vulnerabilities.

3️⃣ BLOCKCHAIN ​​AND CRYPTO LOGIC
β˜… Wallet & Mining: Explore the mathematics behind crypto transfers, wallet structures, and mining algorithms in a risk-free environment.

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πŸš€ CORE SQL LAB v3.0 ENTERPRISE - TECHNICAL SPECIFICATIONS LIST

The application goes beyond basic training and simulates computer engineering concepts in depth. Here are all the advanced modules included in the menu:

πŸ—οΈ ARCHITECTURE AND PERFORMANCE
β€’ B+ Tree Index: Watch database search trees and indexing logic live. β€’ Buffer Pool Sim: Manage data traffic and caching processes between RAM and disk. β€’ WAL (Write-Ahead Logging): Test how "Crash Recovery" processes work in database crashes. β€’ LSM Tree (NoSQL): Learn the tiered storage structure used by modern NoSQL databases (Cassandra, etc.). β€’ Row vs Column Store: Analyze the differences between row and column-based storage. β€’ Normalization Workshop: Apply techniques to prevent data redundancy.

🌍 DISTRIBUTED SYSTEMS (BIG DATA)
β€’ Sharding Sim: Simulate the database sharding technique. β€’ CAP Theorem: Learn to balance Consistency and Availability. β€’ Auto-Scaling: Observe how system resources automatically scale during traffic increases. β€’ Vector AI Search: Explore the logic of AI-powered vector search and similarity finding. β€’ Streaming SQL: Run live queries on streaming data. β€’ Bloom Filter: Use probabilistic structures to speed up entity querying in large datasets.

πŸ›‘οΈ SECURITY AND CRISIS MANAGEMENT
β€’ White Hat Hacker: Simulations of ethical hacking, vulnerability finding, and patching. β€’ DBA War Room: Manage critical database crises such as CPU spikes and deadlocks. β€’ Detective Mode V2: Puzzle mode based on finding criminals using SQL clues.

πŸ”— BLOCKCHAIN ​​AND FINANCE
β€’ Blockchain Table: Simulate the immutable table structure and blockchain logic. β€’ Cloud Billing: Learn cloud database cost calculations and FinOps logic.

πŸ§ͺ CODING AND TESTING LABORATORY
β€’ Transaction Lab (ACID): Challenge and test data integrity rules (Atomicity, Consistency). β€’ Code Golf Pro: Compete to improve your algorithmic skills by writing the shortest code that performs the same function. β€’ Live ERD: Watch your schemas transform into live diagrams. β€’ Polyglot (NoSQL): Experience different database languages ​​in a single interface.

WHY CORE SQL?
βœ… Fully Turkish Content
βœ… Offline Operation
βœ… Ad-Free Training Mode
βœ… Gamified Progression

Don't just stay with theory, learn by doing. All the engineering fundamentals you need for your software career are in Core SQL. Download now! ## Rankings - #2,585,772 β€” Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.RECORD_AUDIO` - `android.permission.WAKE_LOCK` - `com.android.vending.CHECK_LICENSE` - `com.eifnu.core_sql.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.google.android.gms.permission.AD_ID` ## Similar extensions and apps - [SQL Mastery: Learn Code Query](https://chrome-stats.com/d/com.mughu.sql_mastery) β€” 6 users - [Learn SQL](https://chrome-stats.com/d/com.hb.learnsql) β€” 3 users - [SQL Programming Pro](https://chrome-stats.com/d/com.algsoftlab.learnsqlpro) β€” 54 users - [Learn SQL - Database & Queries](https://chrome-stats.com/d/com.coddykit.learn.sql) β€” 6,247 users - [SQL Quiz Master Pro: Learn SQL](https://chrome-stats.com/d/com.HowToAbroad.SQLQuizMasterPro) β€” 10,879 users - [Learn SQL](https://chrome-stats.com/d/com.tusharrao.learn_sql) β€” 6 users - [Learn To Code (SQL)](https://chrome-stats.com/d/com.japangor.learnsql) β€” 18,566 users, 3.60 / 5 - [SQL Practice: Learn Database](https://chrome-stats.com/d/com.murculus.sqlpractice) β€” 29,494 users, 4.80 / 5 - [Learn SQL & Database Queries](https://chrome-stats.com/d/com.embarkx.sql.database) β€” 8,037 users, 4.92 / 5 - [SQL Programming Tutorial](https://chrome-stats.com/d/com.algsoftlab.learnsql) β€” 7,077 users - [Learn SQL & Database](https://chrome-stats.com/d/sql.database.programming.coding.db.dbms) β€” 1,252,040 users, 4.52 / 5 - [Learn SQL: Offline Practice](https://chrome-stats.com/d/com.alphabeat.learnsql) β€” 382 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.eifnu.core_sql)