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3 days ago
Discuss workable data conversion and possible data loss when changing column data types during a database redesign.
Source  Download Study Guide
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
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Converting Numeric (Number), Money, Date and other more specific data types to Char or VarChar will usually work. The reverse conversions, from Char and VarChar to Numeric, Money and Date, are risky and may not work.
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