Understanding SQL isolation levels is crucial for maintaining data integrity in concurrent environments!
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using System;
using System.Data;
using System.Data.SqlClient;
class Program
{
static void Main()
{
using (var connection = new SqlConnection("YourConnectionString"))
{
connection.Open();
// Use ReadCommitted to prevent dirty reads
using (var transaction = connection.BeginTransaction(IsolationLevel.ReadCommitted))
{
try
{
// Sample database operation
using (var command = new SqlCommand("SELECT * FROM YourTable", connection, transaction))
{
var reader = command.ExecuteReader();
while (reader.Read())
{
Console.WriteLine(reader["YourColumn"]);
}
}
// Commit the transaction
transaction.Commit();
}
catch (Exception ex)
{
// Rollback if there's an error
transaction.Rollback();
Console.WriteLine($"Error: {ex.Message}");
}
}
}
}
}
🔍 Highlights:
- Read Uncommitted: Allows dirty reads 🥴
- Read Committed: Prevents dirty reads ✅
- Repeatable Read: Locks data for reading 🔒
- Serializable: Highest level of isolation 🏆
Choose wisely to balance performance and consistency!
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