Reindexing tables is an important part of good database housekeeping, because it reorganizes the indexes and restores speedy access. Microsoft's SQL Server has a handy command that rebuilds all ...

There are only seven of the 27 columns in the table in this query, so those other columns do not need to be read. The other performance benefit of columnstore indexes in SQL Server provide is ...

It really is going to come down to how many nonclustered indexes you have on the table, how many transactions per second are writing to the table and how the SQL Server's storage is configured.

SAS maintains indexes for all changes to the table, whether the changes originate from PROC SQL or from some other source. Therefore, if you alter a column's definition or update its values, the same ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

For example: proc sql; describe table dictionary.indexes; The results are written to the SAS log: 1 proc sql; 2 describe table dictionary.indexes; NOTE: SQL table DICTIONARY.INDEXES was created like: ...