Is it true that only beginners need to write comments in SQL? No, even experienced developers benefit from well-written comments, especially when working on complex queries or revisiting code after a long time. Topics SQL Data Analysis
Commenting on the special character in psql may be a problem sometimes. To avoid errors we can use different methods. The first one is by “running the comment before the query” to avoid the error. To add comments we can also use\echoand\warncommands, these commands print the comment. T...
For the Azure Data Studio, some extensions can help to format a T-SQL query. Poor SQL Formatter can be an option to re-format queries in Azure Data Studio. Add sufficiently descriptive comments to a T-SQL query The “Your code should be self-documenting” is the very famous catchword bet...
INFO [stdout] (default task-1) Hibernate: /* dynamic native SQL query */ SELECT * FROM employee; How do I disable the auto-generated comment for the native query? Because I would like to use thepg_hint_plan(= hinting phrases in a comment of special form given with the target SQL sta...
This reply should have been posted in the comment, but it exceeded the number of words in the comment.When the SQL statement has multiple or statements, you can consider using union or union all instead to improve speed. SQL statements using or often cannot be optimized, resulting in ...
7 rows in set (0.00 sec) Say you have to run this query on a regular basis. This could become tedious to have to write out the query repeatedly, especially when it comes to longer and more complex query statements Also, if you had to make slight tweaks to the query or expand on it...
In SQL Server we have a procedure called "" for adding comments to tables and columns. Following is the sample script: -- Adding a comment to a column Col1 for the table LangTest EXEC sys.sp_addextendedproperty@name=N'MS_Description',@value=N'hello col1' ,@level0type=N'SCHEMA',@lev...
Running the following query tends to work perfectly. \dt \echo display table And displays the following result: The \ECHO in PSQL tends to print arguments to the OUTPUT. So when you write the comment next to \ECHO, it will print that comment in the console. Hence, a beautiful way to...
As you can see, we have a complex query and 2 rows in the result. Without any comments, we can’t easily say what does this query does and how it works. Let’s change that now. How to Write a Complex SELECT Query & Where is the Data? We’re back to the original question. No...
SQLModel Version 0.06 Python Version 3.9.7 Additional Context I dont want to use Hero and Team tables directly to write a select query as there are multiple tables and joins in "real" world problem for me. Using Views provides me some obvious benefits like mentionedhere ...