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The conversion of columns into rows is called an UNPIVOT. You didn't specify what version of SQL Server you are using but there are several different ways to get the result. You can use SELECT with UNION ALL:
You can use the PIVOT and UNPIVOT relational operators to change a table-valued expression into another table. PIVOT rotates a table-valued expression by turning the unique values from one column in the expression into multiple columns in the output.
26 maj 2022 · You can use PIVOT to rotate rows in a table by turning row values into multiple columns. The following diagram illustrates what PIVOT can do where we take 4 rows of data and turn this into 1 row with 4 columns. As you can see, the PIVOT process converts rows into columns by pivoting the table.
SQL Server: UNPIVOT Columns to Rows with Built-In UNPIVOT Operator. Alternatively, Use UNION ALL Statements to UNPIVOT to Convert Columns to Rows.
In this post, we'll use the built-in UNPIVOT operation to normalize data by converting columns to rows. We'll also cover an alternative approach to UNPIVOT data using multiple UNION ALL statements. You can use this DB Fiddle to follow along with SQL Server UNPIVOT Examples in this post.
1 cze 2015 · In this article, I demonstrate how you can convert rows values into columns values (PIVOT) and columns values into rows values (UNPIVOT) in SQL Server. SQL Server has a PIVOT relational operator to turn the unique values of a specified column from multiple rows into multiple column values in the output (cross-tab), effectively rotating a table.
22 wrz 2023 · In this article, we look at ways to pivot and unpivot data using T-SQL code to transform data into rows and columns.
