Database Testing Practice Arena
Master database testing with CRUD operations, data validation, and integrity checks
🔧 Database Operations
Practice CRUD operations and database interactions
📖 SELECT
Query and retrieve data from tables
Practice various SELECT queries with filters and joins➕ INSERT
Add new records to database tables
Test data insertion and validation✏️ UPDATE
Modify existing records in tables
Practice update operations with conditions🗑️ DELETE
Remove records from database tables
Test delete operations and cascading effects🔄 TRANSACTION
Test transaction management
Practice commit, rollback, and isolation🔗 JOIN
Query multiple related tables
Practice inner, outer, and cross joins🛠️ Interactive Query Builder
Build and execute SQL queries with visual assistance
SQL Query Editor
Query Results
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Execution Time (ms)
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Rows Affected
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Status
Query results will appear here...
📊 Database Schema
Explore database structure and relationships
Table Schemas
users table
Column
Type
Constraints
Description
id
INTEGER
PRIMARY KEY
Unique user identifier
username
VARCHAR(50)
UNIQUE, NOT NULL
User login name
email
VARCHAR(100)
UNIQUE, NOT NULL
User email address
created_at
TIMESTAMP
DEFAULT NOW()
Account creation time
products table
Column
Type
Constraints
Description
id
INTEGER
PRIMARY KEY
Unique product identifier
name
VARCHAR(100)
NOT NULL
Product name
price
DECIMAL(10,2)
NOT NULL
Product price
category_id
INTEGER
FOREIGN KEY
Reference to categories
orders table
Column
Type
Constraints
Description
id
INTEGER
PRIMARY KEY
Unique order identifier
user_id
INTEGER
FOREIGN KEY
Reference to users
total_amount
DECIMAL(10,2)
NOT NULL
Order total
status
VARCHAR(20)
NOT NULL
Order status
✅ Data Validation Testing
Test data integrity, constraints, and validation rules
Validation Tests
Primary Key Constraint Test
PASS
Foreign Key Constraint Test
PASS
Unique Constraint Test
PASS
Not Null Constraint Test
PASS
Data Type Validation Test
PASS
Check Constraint Test
WARNING
Referential Integrity Test
PASS
Transaction Isolation Test
PASS
📜 Transaction Log
Monitor database operations and transaction history
[2026-01-20 20:27:15] Database initialized successfully
[2026-01-20 20:27:16] Connection established to mock database