- LAG | Snowflake Documentation
Accesses data in a previous row in the same result set without having to join the table to itself The expression to be returned based on the specified offset The number of rows backward from the current row from which to obtain a value For example, an offset of 2 returns the expr value with an interval of 2 rows
- LAST_VALUE - Snowflake Documentation
The 2 in the call NTH_VALUE(i, 2) specifies the second row in the window frame (which, in this case, is also the current row) When the current row is the very first row in the window frame, there is no preceding row to reference, so FIRST_VALUE returns a NULL for that row
- Sliding Window function in Snowflake — Part 2 - Medium
Enables computing rolling values between any two rows (inclusive) in the window, relative to the current row Syntax: slidingFrame ::= {
- Snowflake Time Travel : Handy SQLs - DEV Community
Snowflake's Time Travel feature allows you to access historical data in tables, schemas, and databases, enabling you to query or restore data as it existed at a previous time or before a specific transaction
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