Data-Schema Definition Statement

A Data-Schema Definition Statement is a programming statement in a Data-Schema Definition Language that defines a data schema/data structure.

• • …
• Example(s):
  • SQL-2011 DDL, CREATE TABLE Person (id INTEGER PRIMARY KEY, first_name CHAR(50) NULL, last_name CHAR(75) NOT NULL, dateofbirth DATE NULL );, a Person Table.
  • MySQL DDL.
  • HiveQL DDL, CREATE TABLE table917 (id BIGINT, industry STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t'.
  • …
• Counter-Example(s):
  • a Data Manipulation Statement.
• See: Data Query Statement, Object-Oriented Class, Relational Database Table.

---

---

References

• http://en.wikipedia.org/wiki/Data_definition_language#CREATE_statements
• http://en.wikipedia.org/wiki/Data_definition_language#DROP_statements
• http://en.wikipedia.org/wiki/Data_definition_language#ALTER_statements

---