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The world of the SQL Data Definition Language (DDL), which we started exploring over the past few articles, is a world of mystery, contradiction, and occasional frustration and insanity. Most database products support a robust implementation of ANSI-SQL for manipulating data, but there is far more variance in the details of how DDL is implemented. One of the primary areas for potential danger is in the SQL data types supported by each database platform.SQL Data TypesLast column,  
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