Salesforce lists these prerequisites for the Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版): Basic understanding of object-oriented programming and database concepts is recommended. Prior Salesforce experience is helpful but not strictly required..

Check the current requirements on the official certification page before booking.

Upon successful payment, our system automatically emails the product to your mailbox — typically within about a minute — with an instant download link on screen. If nothing arrives within two hours, check your spam folder and contact us; 24/7 customer assisting is always available. After purchase, you enjoy 365 days of free updates: whenever a new version is released, we send the updated bank to your email — you just need to check your mailbox. A 50% renewal discount follows at the end of the period.

Smart preparation means current materials, verified answers, and a schedule that fits real life. The DEX-450日本語 bank is written by a team of Salesforce experts and certified trainers, and our colleagues check it continuously for updates so accuracy never drifts. You practice in your spare time — no classes required — with expert-verified answers across the Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) objectives. Before purchase, a free demo is downloadable for reference; after purchase, updates arrive by email for 365 days and 24/7 customer assisting handles any question. That combination is the smart way.

Written down and honored. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; once the documents are confirmed, the full refund is processed within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. Alternatively — if you have another test in mind — you may wait for the next update or exchange your product for two others of equal value at no cost.

The Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam (DEX-450日本語版) blueprint centers on these main domains:

• Database and SOQL/SOSL
• Apex Triggers and Automation
• Security and Best Practices

The full official outline continues with further domains; the question bank covers them all.

Salesforce points candidates to these official training resources:

• Salesforce Apex Developer Guide
• Salesforce Visualforce Developer Guide

For office workers short on class time, disciplined spare-time practice with a current bank covers the same syllabus at a fraction of the cost.

Use the official registration channels below:

• Salesforce Trailhead Training

Pick your test center or online session and book ahead — a fixed date focuses preparation like nothing else.