A: No. The 64-bit version simply allows your program to use more memory. There is no real advantage to 64-bit unless you want to fetch a one-billion-row table all into memory on your PC within a Toad data grid. Keep in mind that your version of Toad should match your version of Oracle client (32-bit/64-bit).
Identity Security Risk Assessment
Get a free AD security assessment to evaluate your environment and identify the most actionable issues.
Related Articles

Building Reports with Toad Data Point – Tip #2: Edit the SQL in the Report
Tip #2: Edit the SQL in the Report...

Spotlight on Oracle – Improving Database I/O (SOO4)
Improving Database I/O A number of performance indicators can suggest a need to improve Oracle disk I/O. A major aim of configuring an Oracle server is to ensure that disk I/O does not become a bot...

Using Toad for SQL Server with AWS Fargate – 2
In this continuation article we shall connect with the ECS service using Toad for SQL Server. Previously, in thefirst article of this series on using Toad for SQL Server 6.8 with SQL Server 2017 with ...