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17 sty 2022 · Most simply, our goals when creating a calendar table are to (1) generate the dates we want, (2) add our desired labels, and then (3) insert that data into a usable data structure. For this...
10 sty 2012 · It has to do with the Normal Form for the SQL language. IF statements can, by definition, only take a single SQL statement. However, there is a special kind of SQL statement which can contain multiple SQL statements, the BEGIN-END block.
12 wrz 2022 · Learn how to build conditional logic when writing SQL code using IF, BEGIN, END, ELSE, and ELSEIF logic.
20 paź 2015 · I often see people struggling with manually populating a calendar or date dimension table; usually there are lots of loops and iterative code constructs being used. In this tip I will show you how to build and use a calendar table using a set-based solution that is powerful and easily customizable.
22 kwi 2021 · Learn how and why to use a calendar table in SQL Server with several different examples and code examples.
22 mar 2017 · For our examples here, we will include 33 different metrics (plus the calendar date itself), though you are free to add more as needed. Once introduced, we’ll walk through how to populate this data, and then how to use it.
1 cze 2021 · Fetch all names that start with any letter followed by 'atherine': SELECT name FROM names WHERE name LIKE '_atherine'; Fetch all names that end with 'a': SELECT name FROM names WHERE name LIKE '%a'; USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
