SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing ...

Relational SQL databases, which have been around since the 1980s, historically ran on mainframes or single servers—that’s all we had.If you wanted the database to handle more data and run ...

Why are there different SQL transaction isolation levels? Users want databases to be fast. One way to make a database fast is to remove any and all record locking. Removing database locks is the ...

As the rise of modern, cloud-native distributed relational databases from cloud providers or independents continues to grow, what can we expect next? Newsletters Games Share a News Tip Featured ...

In Version 7 and later, the SAS/ACCESS Interface to ODBC enables you to access various kinds of DBMS data, including AS/400 data and Microsoft SQL Server data. You can no longer access these databases ...

Database performance can be a complex and difficult task, but there are some high-level maxims that can help to sim­plify optimizing the performance of your databases and applica­tions. Let's look at ...

Processing is carried out by SQL Server on the database server, not in Access on the client side. As a result, you’ll see a reduction in network traffic (as opposed to a split MDB).

Access to Financial and Economic Databases . The DATASOURCE procedure provides a convenient way to read time series data from data files supplied by a variety of different commercial and governmental ...