SQL: Data Definition
- SQL Data Definitions and Data Types
- The main SQL command for data definition is the CREATE statement which can be
used to create schemas, tables, domains, views, assertions and triggers.
Concepts in SQL
- The co
SQL: Data Manipulation
- Structured Query Language (SQL) is a standard language for relational databases.
- Commercial RDBMSs that support SQL makes it easy to convert from one RDBMS to
another because they all follow the same language standard.
The minimization of switching functions is a common and worthwhile
goal. Its importance stems from the fact that the simpler the function,
the easier it is to realize. The goal of simplification is to minimize the cost