Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
Greenplum
Gpdb
提交
bebe5aca
G
Gpdb
项目概览
Greenplum
/
Gpdb
通知
7
Star
1
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
DevOps
流水线
流水线任务
计划
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
G
Gpdb
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
DevOps
DevOps
流水线
流水线任务
计划
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
流水线任务
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
bebe5aca
编写于
4月 18, 2002
作者:
B
Bruce Momjian
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Add how to get database/user listing information.
上级
cfa72faf
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
15 addition
and
11 deletion
+15
-11
doc/FAQ
doc/FAQ
+7
-5
doc/src/FAQ/FAQ.html
doc/src/FAQ/FAQ.html
+8
-6
未找到文件。
doc/FAQ
浏览文件 @
bebe5aca
Frequently Asked Questions (FAQ) for PostgreSQL
Last updated:
Wed Apr 17 22:48:04
EDT 2002
Last updated:
Thu Apr 18 00:44:51
EDT 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
...
...
@@ -63,8 +63,8 @@
4.5) What is the maximum size for a row, a table, and a database?
4.6) How much database disk space is required to store data from a
typical text file?
4.7) How do I find out what tables
or indexes are defined in th
e
d
atabase
?
4.7) How do I find out what tables
, indexes, databases, and users ar
e
d
efined
?
4.8) My queries are slow or don't make use of the indexes. Why?
4.9) How do I see how the query optimizer is evaluating my query?
4.10) What is an R-tree index?
...
...
@@ -697,10 +697,12 @@
Indexes do not require as much overhead, but do contain the data that
is being indexed, so they can be large also.
4.7) How do I find out what tables or indexes are defined in the database?
4.7) How do I find out what tables, indexes, databases, and users are
defined?
psql has a variety of backslash commands to show such information. Use
\? to see them.
\? to see them. There are also system tables beginning with pg_ that
describe these too. Also, psql -l will list all databases.
Also try the file pgsql/src/tutorial/syscat.source. It illustrates
many of the SELECTs needed to get information from the database system
...
...
doc/src/FAQ/FAQ.html
浏览文件 @
bebe5aca
...
...
@@ -14,7 +14,7 @@
alink=
"#0000ff"
>
<H1>
Frequently Asked Questions (FAQ) for PostgreSQL
</H1>
<P>
Last updated:
Wed Apr 17 22:48:04
EDT 2002
</P>
<P>
Last updated:
Thu Apr 18 00:44:51
EDT 2002
</P>
<P>
Current maintainer: Bruce Momjian (
<A
href=
"mailto:pgman@candle.pha.pa.us"
>
pgman@candle.pha.pa.us
</A>
)
<BR>
...
...
@@ -96,8 +96,8 @@
table, and a database?
<BR>
<A
href=
"#4.6"
>
4.6
</A>
) How much database disk space is required
to store data from a typical text file?
<BR>
<A
href=
"#4.7"
>
4.7
</A>
) How do I find out what tables
or indexes
are defined in the database
?
<BR>
<A
href=
"#4.7"
>
4.7
</A>
) How do I find out what tables
, indexes,
databases, and users are defined
?
<BR>
<A
href=
"#4.8"
>
4.8
</A>
) My queries are slow or don't make use of
the indexes. Why?
<BR>
<A
href=
"#4.9"
>
4.9
</A>
) How do I see how the query optimizer is
...
...
@@ -893,11 +893,13 @@
<P>
Indexes do not require as much overhead, but do contain the data
that is being indexed, so they can be large also.
</P>
<H4><A
name=
"4.7"
>
4.7
</A>
) How do I find out what tables
or indexes
are defined in the database
?
</H4>
<H4><A
name=
"4.7"
>
4.7
</A>
) How do I find out what tables
, indexes,
databases, and users are defined
?
</H4>
<P><I>
psql
</I>
has a variety of backslash commands to show such
information. Use \? to see them.
</P>
information. Use \? to see them. There are also system tables
beginning with
<i>
pg_
</i>
that describe these too. Also,
<i>
psql
-l
</i>
will list all databases.
</P>
<P>
Also try the file
<I>
pgsql/src/tutorial/syscat.source
</I>
. It
illustrates many of the
<SMALL>
SELECT
</SMALL>
s needed to get
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录