SQL joins . So far, ... The INNER JOIN is the default (you can omit the word INNER), and it’s the one that includes only rows that contain matching values in both tables.

In earlier versions of SQL Server, after selecting a join algorithm, SQL Server had to process it even if a better alternative might be available. In SQL Server 2017, the query optimizer can now sense ...

In this example, two large DBMS tables, TABLE1 and TABLE2, have a column named DEPTNO. An inner join of these tables is performed where the DEPTNO value in TABLE1 is equal to the DEPTNO value in ...

Database software vendor FoundationDB has acquired Akiban, another purveyor of database software, in a move to develop a hybrid data-store application capable of storing both SQL and non-SQL data ...

In this SQL Server tip, Arthur Fuller explains the effects of NULLs, and the different results obtained by inner and outer JOINs.

If you only want to update values in table A when there are matching records in table B, then an inner join is the way to go. If you have calculations that need to vary based on optional data, the ...