GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 6.2(Zoot) |
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drop_table(l) |
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DROP TABLE − Removes existing tables from a database
DROP TABLE name [, ...]
INPUTS
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name |
The name of an existing table or view to drop. |
OUTPUTS
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DROP |
The message returned if the command completes successfully. |
ERROR Relation "name" Does Not Exist!
If the specified table or view does not exist in the database.
DROP TABLE removes tables and views from the database. Only its owner may destroy a table or view. A table may be emptied of rows, but not destroyed, by using DELETE.
If a table being destroyed has secondary indexes on it, they will be removed first. The removal of just a secondary index will not affect the contents of the underlying table.
NOTES
Refer to CREATE TABLE and ALTER TABLE for
information on how to create or modify tables.
To destroy two tables, films and distributors:
DROP TABLE films, distributors;
SQL92
SQL92 specifies some additional capabilities for DROP
TABLE:
DROP TABLE
table { RESTRICT | CASCADE }
RESTRICT
Ensures that only a table with no dependent views or integrity constraints can be destroyed.
CASCADE
Any referencing views or integrity constraints will also be dropped.
Tip: At present, to remove a referenced view you must drop it explicitly.
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drop_table(l) | |