Appendix – SQL Statements

Reference material for SQL statements mentioned in this document.

• CREATE SPATIAL REFERENCE SYSTEM Statement
  Creates or replaces a spatial reference system.
• CREATE SPATIAL UNIT OF MEASURE Statement
  Creates or replaces a spatial unit of measurement.
• DROP SPATIAL UNIT OF MEASURE Statement
  Drops a spatial unit of measurement.
• DROP SPATIAL REFERENCE SYSTEM Statement
  Drops a spatial reference system.
• ALTER SPATIAL REFERENCE SYSTEM Statement
  Changes the settings of an existing spatial reference system. See the Remarks section for considerations before altering a spatial reference system
• ALTER TABLE Statement
  Modifies a table definition.