IS NULL and IS MISSING are predicates that test for a missing value. IS NULL and IS MISSING are used in the WHERE, ON, and HAVING expressions. Each predicate resolves to true if the sql-expression's ...

Learn how to use the AND, OR, and NOT operators, and the IN, BETWEEN, and LIKE keywords, to filter data with SQL using multiple conditions.

Learn some of the best practices for handling null values in Informatica PowerCenter, a popular ETL tool, such as using functions, transformations, and data quality features.

SQL for samples query mishandles OR condition in filter ... SELECT * FROM db.table WHERE db_filter = ‘variable’ AND value_column IS NULL AND (column_a IS NOT NULL OR column_b IS NOT NULL) LIMIT 5 The ...