You can qualify your request further by coding a search condition that includes several predicates. A guide for those who are familiar with relational databases using SQL , Structured Query Language, and want to start with AQL – the ArangoDB Query . How to write efficient WHERE clauses and add the right indexes. Recipes for high performance SQL.
Common mistakes and anti-patterns explained. One of the key features of SQL databases is their support for ad-hoc queries: new queries can be executed at any time.
This is only possible because the query . The difference between the having and where clause in SQL is that the where clause cannot be used with aggregates, but the having clause can. You need to consider that GROUP BY happens after the WHERE clause conditions have been evaluated. And the WHERE clause always . Les opérateurs logiques AND et OR peuvent être utilisées au sein de la commande . According to Ms SQL Docs a CASE statement can be used throughout the SELECT statement.
CASE can be used in any statement or clause that allows a valid . Familiar with the SQL HAVING clause?