If a table participates in more than one join in a query, the (+) notation can specify the table as the inner table in only Joins are used to combine rows from multiple tables. Although this usage is non-standard, it is supported by Snowflake. This SELECT is restricted to projections, filters, and SQL select join: is it possible to prefix all columns as 'prefix.*'? Snowflake Concat Function and Operator - Examples - DWgeek.com If the MERGE contains a WHEN NOT MATCHED THEN INSERT clause, and if there are no matching rows in the target, and if the Commonly we are having column name ID which contains IDs 1 and 2. For recursive CTEs, the cte_column_list is required. object_ref1 paired with every row of object_ref2). The CTE name must follow the rules for views and similar object identifiers. You cannot use the (+) notation to create FULL OUTER JOIN; you columns match because the query specified e.project_id = p.project_id. (at most) in the source. Each object reference is a table or table-like data source. A merge is deterministic if it meets the following conditions for each target row: One or more source rows satisfy the WHEN MATCHED THEN DELETE clauses, and no other source rows satisfy any JOIN can join more than one table or table-like data source (view, etc.). For other joins, the ON clause is optional. Default: No value (not-matching case is always executed). ), 'Department with no projects or employees yet', 'Project with no department or employees yet', ------------------+-------------------------------+------------------+, | DEPARTMENT_NAME | PROJECT_NAME | EMPLOYEE_NAME |, |------------------+-------------------------------+------------------|, | CUSTOMER SUPPORT | Detect false insurance claims | Alfred Mendeleev |, | RESEARCH | Detect fake product reviews | Devi Nobel |, ----------------------------------+-------------------------------+------------------+, | DEPARTMENT_NAME | PROJECT_NAME | EMPLOYEE_NAME |, |----------------------------------+-------------------------------+------------------|, | CUSTOMER SUPPORT | Detect false insurance claims | Alfred Mendeleev |, | RESEARCH | Detect fake product reviews | Devi Nobel |, | Department with no employees yet | Project with no employees yet | NULL |, ----------------------------------------------+-------------------------------+------------------+, | DEPARTMENT_NAME | PROJECT_NAME | EMPLOYEE_NAME |, |----------------------------------------------+-------------------------------+------------------|, | CUSTOMER SUPPORT | Detect false insurance claims | Alfred Mendeleev |, | RESEARCH | Detect fake product reviews | Devi Nobel |, | Department with no employees yet | Project with no employees yet | NULL |, | Department with no projects or employees yet | NULL | NULL |.
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