How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. ... ALTER INDEX table_index_ix REBUILD PARALLEL; ...

When you alter the attributes of a column and an index has been defined for that column, the values in the altered column continue to have the index defined for them. If you drop a column with the ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...