gaps-and-islands Examples and Free Source Code

create sequence of numbers on grouped column in Oracle...

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Seek rows with incorrect dates in historic data...

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Make a record combining its duplicate records based combination of two columns and assign the Min st...

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Need to group values in SQL...

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Creating a Date Range from Multiple Rows Based on a Single Date...

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Sequentially number groups of values (including repeats)...

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Query to assign serial number for rows without grouping together and without changing the order of r...

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SQL - Time difference within same column...

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Pivot with row_number() in PostgreSQL...

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Teradata SQL -Min Max transaction dates from Rows...

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SQL Query to find the activity time of each user...

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How to distribute ranks when prior rank is zero (part 2)...

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Group overlapping ranges of data in MySQL...

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PostgreSQL: Select rows greater than a value by a number of consecutive times...

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