In some recent work, I needed to bin columns in a dplyr remote table. The newdplyr::ntilefunction was not an option because the database I needed this to work on (MySQL) doesn’t support window functions (at least, not until recently), and there was a use case for user-defined cut ...
DECLARE -- THE FOLLOWING IS WRITTEN FOR SQL SERVER AND CAN BE ADAPTED TO POSTGRESQL, MYSQL, ETC. @C_CURRENT SMALLINT =(SELECT [CURRENT] FROM [database].[dbo].[YEAR]), -- SINGLE RECORD CONTROL TABLE @BIN INT = 10, -- INITIAL BIN SIZE VALUE @MinPrice REAL= 0, @MaxPrice REAL = ...
Can anybody please give me a hint on how to optimize this update MySQL query that takes about a minute to process? I need to update (set reservation=1) all rows in "store" table (which is ve... Android - Creating a folder in the data/data/pkg/files directory ...