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Data warehousing in the real world sam anahory pdf file
Data warehousing in the real world sam anahory pdf file









data warehousing in the real world sam anahory pdf file

Table-Level Comparison: This comparator is great for Data Migrations and Database Upgrades with no transformations at all. Many columns and tables can be compared simultaneously and quickly. Columns containing transformations will require SQL coding. This comparison is for the specific columns with no transformation, which on average make up about 80% of your data. 3 Types of Data Comparisons: Column-Level Comparison: This is great for Big Data stores and Data Warehouses where tables will have some columns containing transformations and some columns with no transformations.

  • speed up testing for team members skilled in SQL 2The percent of data the Query Wizards can test depends on the percent of columns that have no transformation in your data.
  • provide novices and non-technical team members with a fast & easy way to be productive immediately.
  • data warehousing in the real world sam anahory pdf file data warehousing in the real world sam anahory pdf file

    1Poll conducted by RTTS on targeted LinkedIn groups Why is this important to you? The fact that 80% of columns have no transformations means the Query Wizards can test approximately 80% of your data without you needing to write any SQL code 2 The Wizards also:











    Data warehousing in the real world sam anahory pdf file