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Quick Queries #32 By Richard Rost ![]() ![]() Null, Zero Length String, Next Business Day, BrainWave! In this Quick Queries tutorial, I will address a variety of user-submitted questions focused on practical Microsoft Access issues. We'll explore the difference between using nulls and empty strings for field updates and their impact on space efficiency and query performance. You'll also learn strategies for managing large database files nearing the two-gigabyte limit, including database splitting and using SQL Server. I'll provide solutions for avoiding accidental code changes across multiple databases by leveraging shared modules. Additionally, we'll cover tips for using VBA to launch multiple queries and advanced techniques for optimizing field searches in databases with millions of records. PrerequisitesLinks
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Keywords
TechHelp Access, Quick Queries, null vs empty string, space efficiency, ACCDB file size, compact and repair, split database, one-to-one relationship, SQL Server upgrade, shared functions module, VBA subforms, indexed fields, query optimization, RegEx in Access, toggle close button, Windows API, overlapping windows, next business day calculation, networkdays function, continuous form new record, class modules, DOS-based system upgrade, developer efficiency.
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Keywords: TechHelp Access, Quick Queries, null vs empty string, space efficiency, ACCDB file size, compact and repair, split database, one-to-one relationship, SQL Server upgrade, shared functions module, VBA subforms, indexed fields, query optimization, RegEx in A PermaLink Microsoft Access Quick Queries #32 |