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Tags > gaps-and-islands

09-13Software engineeringCount events with a cool-down period after each instance
09-13NetGrouping based on Lag/Lead
09-09databaseHow to select only rows with 2 consecutive "Yes" values ordered by year in SQL?
09-09databaseHow to create MySQL query that converts rows to columns?
08-31Software designA follow up question on Gaps and Islands solution
08-24Software designA question again on cursors in SQL Server
08-24Software engineeringGet certain rows, plus rows before and after
08-24BlockchainFind repeating values of a certain value
08-20otherSQL pivot based on fuzzy condition
08-15otherWhat is the best approach to comeup with the output below in SQL Server?
08-13otherOracle SQL – counter for consecutive equivalent values under specific column
08-12EnterpriseHow to collapse overlapping date periods with acceptable gaps using T-SQL?
08-12Back-endcreate date range from day based data
08-04OSHow to check consecutive values in rows in TSQL?
07-31NetGet data from first and last row of groups based on sequence of rows
07-28Software designSQL How to get the first date from an uninterrupted list. Ie, if there is a gap, I want two first da
07-22databaseCreate sql Key based on datetime that is persistent overnight
07-10NetRepeated data on inserted rows
07-08Software engineeringSum over the rows using SQL but we need to stop and start the sum at specific condition
07-02OSOracle SQL "Queue" Table: Every time an ID leaves the table
07-02Software designhow to get max No between 1 to Next 1 in sql
06-28Software engineeringUsing MySQL window function to section timeseries when value changes
06-25MobileAggregating length of time intervals and grouping to fixed time grid
06-24MobileGenerate new UUID per row depending on gaps in existing time series
06-24OST-SQL create time windows (from/to) with alternating values
06-16Software designHow to copy the previous row value of the same column?
06-14Mobilegrouping rows with less than one minute separating row from previous row in Oracle
05-30front endcan we solve basic transaction query using lead and lag window function in sql
05-20databaseCount size of islands with no gaps
05-17Software engineeringFind the next free timestamp not in a table yet
05-13databaseContinuous subset and ranking using sql
05-08BlockchainHow to get the biggest value in any consecutive range
05-02front endHow to group data based on continuous date range?
05-02Software engineeringHow to group data based on continious date range?
04-29Software engineeringcalculate each in and out duration for an id
04-27Software engineeringHow do I perform a data smear in SQL
04-25NetCombine periods by user
04-06BlockchainSQL Cursor to join periods of dates into single row
04-05OSMicrosoft SQL Server 2016 - T-SQL puzzle - overlapping date ranges in segregated rows - 'Gaps &
03-31otherSQL query to get start and end date from a result set

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