ニュース

There a number of pure Java SQL database systems develolpers can embed into applications. In this tip we introduce two open source projects, HSQLDB and Apache Derby.
How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.
java-cli-mill-sqlserver-ssl-function Description Creates a small database table called dog. This table, dog, has been normalized to 3NF. Two new tables have been added, breedLookup and colorLookup .
Turned dog_expanded into a view. Using a RECURSIVE common table expression with the aggregate function COUNT, create a new view breed_count. Create a new view dog_final based on breed_count adding ...
How to Reindex SQL Tables. The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can ...