blob: 8c69893ae2f066ebbb4da848ab8bb09909825b74 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_schema.sgml,v 1.1 2002/07/18 16:47:22 tgl Exp $
PostgreSQL documentation
-->
<refentry id="SQL-DROPSCHEMA">
<refmeta>
<refentrytitle id="SQL-DROPSCHEMA-TITLE">DROP SCHEMA</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>
DROP SCHEMA
</refname>
<refpurpose>
remove a schema
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<refsynopsisdivinfo>
<date>2002-07-18</date>
</refsynopsisdivinfo>
<synopsis>
DROP SCHEMA <replaceable class="PARAMETER">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
<refsect2 id="R2-SQL-DROPSCHEMA-1">
<refsect2info>
<date>2002-07-18</date>
</refsect2info>
<title>
Inputs
</title>
<para>
<variablelist>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
<para>
The name of a schema.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>CASCADE</term>
<listitem>
<para>
Automatically drop objects (tables, functions, etc) that are contained
in the schema.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>RESTRICT</term>
<listitem>
<para>
Refuse to drop the schema if it contains any objects.
This is the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
<refsect2 id="R2-SQL-DROPSCHEMA-2">
<refsect2info>
<date>2002-07-18</date>
</refsect2info>
<title>
Outputs
</title>
<para>
<variablelist>
<varlistentry>
<term><computeroutput>
DROP SCHEMA
</computeroutput></term>
<listitem>
<para>
The message returned if the schema is successfully dropped.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><computeroutput>
ERROR: Schema "<replaceable class="parameter">name</replaceable>" does not exist
</computeroutput></term>
<listitem>
<para>
This message occurs if the specified schema does not exist.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
</refsynopsisdiv>
<refsect1 id="R1-SQL-DROPSCHEMA-1">
<refsect1info>
<date>2002-07-18</date>
</refsect1info>
<title>
Description
</title>
<para>
<command>DROP SCHEMA</command> removes schemas from the data base.
</para>
<para>
A schema can only be dropped by its owner or a superuser. Note that
the owner can drop the schema (and thereby all contained objects)
even if he does not own some of the objects within the schema.
</para>
<refsect2 id="R2-SQL-DROPSCHEMA-3">
<refsect2info>
<date>2002-07-18</date>
</refsect2info>
<title>
Notes
</title>
<para>
Refer to the <command>CREATE SCHEMA</command> statement for
information on how to create a schema.
</para>
</refsect2>
</refsect1>
<refsect1 id="R1-SQL-DROPSCHEMA-2">
<title>
Usage
</title>
<para>
To remove schema <literal>mystuff</literal> from the database,
along with everything it contains:
<programlisting>
DROP SCHEMA mystuff CASCADE;
</programlisting>
</para>
</refsect1>
<refsect1 id="R1-SQL-DROPSCHEMA-3">
<title>
Compatibility
</title>
<refsect2 id="R2-SQL-DROPSCHEMA-4">
<refsect2info>
<date>2002-07-18</date>
</refsect2info>
<title>
SQL92
</title>
<para>
<command>DROP SCHEMA</command> is fully compatible with
<acronym>SQL92</acronym>, except that the standard only allows
one schema to be dropped per command.
</para>
</refsect2>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:nil
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
sgml-parent-document:nil
sgml-default-dtd-file:"../reference.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:"/usr/lib/sgml/catalog"
sgml-local-ecat-files:nil
End:
-->
|
