If you find that SQL Server uses a TABLE SCAN instead of an INDEX, SEEK when you use an IN or OR clause as part of your WHERE clause, even when those columns are covered by an index, then consider using an index hint to force the Query Optimizer to use the index. For example SELEC...
Without it, the reporting team ends up having to use MAX or DISTINCT to get the latest instance of the natural key, or SSIS packages are needed to clean up the duplicates. This can be compounded with many-to-many tables. Many-to-many tables allow two tables to be joined multiple times...
Find the date of the nearest Monday to a given date Find the difference between 2 consecutive rows in a sql table find the range between two decimal numbers Finding duplicate values for a set of columns in a table finding duplicate words/phrases in a string Finding Duplicates with DISTINCT an...
after the model(s) run, then you will want to evaluate how well they perform their assigned tasks. This may be as simple as computing a compound annual growth rate. Alternatively, it might involve correlation calculations to see how well an AI model duplicates some...
This query removes duplicates and gives you unique tweets. Change the filter conditions as you like. USEHashtagArchive; WITHcte AS ( SELECTtp.UserHandle ,tw.CreateDate ,tw.Tweet ,tw.Latitude ,tw.Longitude ,PST=DATEADD(HH,-8,CreateDate) ...
columns - No orphaned columns found - Polls - Create hashes for votes and options - Updated 0 option hashes - Updated 0 vote hashes - Polls - Delete duplicates and orphaned records - Polls - Create indices and foreign key constraints - Added oc_polls_polls['poll_id'] <- oc_polls_...
Then we will order the duplicates by TestDateTime so that the first date the score was achieved will appear first in the order. ? 1 2 3 4 5 6 7 8 9 10 SELECT ss.StudentScoresID ,ss.StudentID ,ss.TestingRoomID ,ss.Score ,ss.TestDateTime ,ROW_NUMBER() OVER (PARTITION BY ss....
Find the date of the nearest Monday to a given date Find the difference between 2 consecutive rows in a sql table find the range between two decimal numbers Finding duplicate values for a set of columns in a table finding duplicate words/phrases in a string Finding Duplicates with DISTINCT an...
Find the date of the nearest Monday to a given date Find the difference between 2 consecutive rows in a sql table find the range between two decimal numbers Finding duplicate values for a set of columns in a table finding duplicate words/phrases in a string Finding Duplicates with DISTINCT ...
Find the date of the nearest Monday to a given date Find the difference between 2 consecutive rows in a sql table find the range between two decimal numbers Finding duplicate values for a set of columns in a table finding duplicate words/phrases in a string Finding Duplicates with DISTINCT an...