In this post, we will see how to resolve Is there a way to see if a value is like a value in a list in SQL? Question: I would like test is there is an item in a list ...
In this post, we will see how to resolve T-SQL Dense_Rank() increments for nulls in group Question: Good day, I am having trouble with my SQL query. I have a dataset that is representing nested objects ranging in depth from ...
Resolved: Enable or disable filters in WHERE clause depending on variable values and CASE statements
In this post, we will see how to resolve Enable or disable filters in WHERE clause depending on variable values and CASE statements Question: I have a very long query, but the important part is the WHERE. What I want ...
In this post, we will see how to resolve Output clause in delete statement returns an error when using a table alias Question: This one works just fine However this one doesn’t work Incorrect syntax near ‘OUTPUT’. I want to ...
In this post, we will see how to resolve Converting subquery into window function Question: I had an interview where they asked me: “Find the most popular class among students using their first enrollment date”, where the assumption was that ...
In this post, we will see how to resolve There is already an object named ‘name’ in the database – stored procedure error – SQL Server Question: I have two tables called timeus and usdpay in my SQL Server database. ...
In this post, we will see how to resolve SQL Server: Split Data in a column based on a delimiter and then join with reference table to get ID values associated Question: I would like to achieve the column Expected ...
In this post, we will see how to resolve Can I use the IF ELSE SQL statement without BEGIN and END? Question: I notice that it is not necessary to use the BEGIN and END in a IF ELSE T-SQL ...
In this post, we will see how to resolve Finding overlapping timestamps in query Question: I have an issue with removing or tagging overlapping timestamps grouped by certain ID. Times can overlap in nest and may have same start time ...
In this post, we will see how to resolve Flatten nested JSON data into SQL Server tables Question: I have a JSON file that contains transactions, and each transaction contains multiple items. I need to flatten the data into SQL ...