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The result of a left outer join (or simply left join) for tables A and B always contains all rows of the "left" table (A), even if the join-condition does not find any matching row in the "right" table (B).
MSDN documentation on UNION in Transact-SQL for SQL Server; Naming of select list items in set operations; UNION in MySQL with Examples; UNION in MySQL; UNION Clause in PostgreSQL; SQL UNION and UNION ALL; Sort order within UNION statement; Designing a data flow that loads a warehouse table; Oracle 11g documentation for UNION (ALL), INTERSECT ...
Microsoft SQL Server extends with supporting guards and also with supporting Left Join via WHEN NOT MATCHED BY SOURCE clauses. PostgreSQL supports merge since version 15 but previously supported merging via INSERT INTO... ON CONFLICT [conflict_target] conflict_action. [9] CUBRID supports MERGE INTO [10] statement. And supports the use of INSERT...
Microsoft Access (JET) Microsoft: 1992 16 (2016) 2015-09-22 Proprietary: No Microsoft Visual Foxpro: Microsoft: 1984 9 (2005) 2007-10-11 Proprietary: No Microsoft SQL Server: Microsoft: 1989 2022 [22] 2022-11-16; 2 years ago Proprietary: No Microsoft SQL Server Compact (Embedded Database) Microsoft: 2000 2011 (v4.0) Proprietary: No Mimer SQL ...
A surrogate key is frequently a sequential number (e.g. a Sybase or SQL Server "identity column", a PostgreSQL or Informix serial, an Oracle or SQL Server SEQUENCE or a column defined with AUTO_INCREMENT in MySQL). Some databases provide UUID/GUID as a possible data type for surrogate keys (e.g. PostgreSQL UUID [3] or SQL Server ...
Oracle MySQL PostgreSQL MS SQL Server ODBC JDBC SQLite Other Programming language; DatabaseSpy: Altova: 2019-04-02: 2019r3 [1] Proprietary: Yes No No Yes Yes Yes Yes Yes Yes IBM Db2, Sybase, MS Access: C++: Database Workbench: Upscene Productions 2024-05-14 6.5.0 Proprietary: Yes needs Wine: needs Wine: Yes Yes Yes Yes Yes Yes InterBase ...
An additional solution, the SQL Server Migration Assistant for Access (SSMA), continues to be available for free download from Microsoft. [54] A variety of upgrading options are available. [55] After migrating the data and queries to SQL Server, the Access database can be linked to the SQL database, subject to data type conversion limitations:
Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form: