The creation of multiple bitmapped indexes provides a very powerful method for rapidly answering difficult SQL queries. For example, assume there is a motor vehicle database with numerous low ...

Type a SELECT statement to get information from your Oracle database, as in the following example:select name, address, city, state, zip_code from customers;In this command line, Oracle lists ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. Skip to content TechRepublic ...

The ease and ubiquity of SQL have even led the creators of many “NoSQL” or non-relational data stores, such as Hadoop, to adopt subsets of SQL or come up with their own SQL-like query languages.

Oracle Database 21c, the new release of the longtime industry leading RDBMS, is currently available in the Oracle Cloud, where it can be deployed as a Virtual Machine DB System (for clusters and ...

In this example, the PRESERVE_COMMENTS argument is specified after the USER= and PASSWORD= arguments. The ORACLE SQL query is enclosed in required parentheses. The SQL INDX command identifies the ...