Practical PL/SQL

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  • Binary Vectors: Quantization

    A step-by-step exploration into the details of creating a scalar sql macro function to quantize binary vectors from vectors in other dimension formats. read more

  • Table Data Comparison: Column Differences

    Using sql table macros to make finding row and column differences simple. read more

  • Dynamic Unpivot Using JSON_DATAGUIDE

    In this post I will explore a way to generate and run unpivot queries dynamically in PL/SQL. We will build a utility package to dynamically create unpivot queries using json and leveraging json_dataguide to create json_table and unpivot sql expressions. read more

  • Table Data Comparison: Row Differences

    A common task that database developers encounter is comparing data between two different sources to see rows with differences. This can be a table that is loaded with new data that needs to be compared with existing rows to see what rows… read more

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