Database coding best practices

How do I make SQL code neat?

SQL CASE statement best practices
It is better to use the ELSE block in CASE statements so that if none of the conditions is not satisfied, the default value will be returned.
CASE statement can not be used for checking NULL values in a table.
It is recommended to avoid conflicting conditions..

How do you write an efficient SQL code?

It's vital you optimize your queries for minimum impact on database performance.

1. Define business requirements first
2. SELECT fields instead of using SELECT *
3. Avoid SELECT DISTINCT
4. Create joins with INNER JOIN (not WHERE)
5. Use WHERE instead of HAVING to define filters
6. Use wildcards at the end of a phrase only

How to make a good database?

10 Best Practices to Write Readable and Maintainable SQL Code

1. Use Uppercase for the Keywords
2. Use Snake Case for the schemas, tables, columns
3. Use aliases when it improves readability
4. Formatting: Carefully use Indentation & White spaces
5. Avoid Select *
6. Go for the ANSI-92 JOIN Syntax
7. Use Common Table Expression (CTE)

How to structure SQL code?

10 Best Practices to Write Readable and Maintainable SQL Code

1. Use Uppercase for the Keywords
2. Use Snake Case for the schemas, tables, columns
3. Use aliases when it improves readability
4. Formatting: Carefully use Indentation & White spaces
5. Avoid Select *
6. Go for the ANSI-92 JOIN Syntax
7. Use Common Table Expression (CTE)

How to structure SQL code?

When formatting the text of the query, remember to write keywords and possibly functions in capital letters, aliases, table and column names in small letters.
Each clause and possibly each column in the SELECT clause should be in a new line.
Use tabulation to show subqueries and CTEs._{Oct 10, 2023}.

What is best practice for database?

When formatting the text of the query, remember to write keywords and possibly functions in capital letters, aliases, table and column names in small letters.
Each clause and possibly each column in the SELECT clause should be in a new line.
Use tabulation to show subqueries and CTEs..

What is the best practice in SQL Server?

When formatting the text of the query, remember to write keywords and possibly functions in capital letters, aliases, table and column names in small letters.
Each clause and possibly each column in the SELECT clause should be in a new line.
Use tabulation to show subqueries and CTEs._{Oct 10, 2023}.

What is the best practice in SQL?

SQL best practices

10 Best Practices to Write Readable and Maintainable SQL Code

1. Use Uppercase for the Keywords
2. Use Snake Case for the schemas, tables, columns
3. Use aliases when it improves readability
4. Formatting: Carefully use Indentation & White spaces
5. Avoid Select *
6. Go for the ANSI-92 JOIN Syntax
7. Use Common Table Expression (CTE)