Database name, data table name, field name in MySQL

Source: Internet
Author: User

How to query the database name, data table name, field name in Oracle,sql server,mysqlCategory: Database2012-09-24 22:16 7034 people read reviews (0) favorite reports Database SQL Serveroraclemysqltableobject

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When developing a project, there is a feature that needs to see what tables are in the database, and what fields are available for each table, viewed online, and now shared with you.
Query data table (Tables) Name:
Select table_name, Tablespace_name
From Dba_tables
where tablespace_name = ' USERS ';
Field (Columns) name in Query data table (Tables):
Sql1:select column_name from All_tab_columns where table_name= ' table1 ';
Sql2:select column_name from User_tab_columns where table_name= ' table1 ';
Query Database (Databases) name
SQL Server:
Query Database (Databases) name:
SELECT name from master.dbo.sysdatabases WHERE status <> 512
Query data table (Tables) Name:
SELECT name from dbo.sysobjects WHERE objectproperty (id,n ' isusertable ') = 1 and name <> ' dtproperties '
Query the data table (Tables) name with schema:
SELECT + '. ' + as name from sysobjects a INNER joins Sys.schemas B on a.uid=b.schema_id WHERE objectproperty ( Id,n ' isusertable ') = 1 and <> ' dtproperties '
Field (Columns) name in Query data table (Tables):

SELECT * from Dbo.syscolumns WHERE id=object_id (N ' [production].[ Product] ') ORDER by colid


Select name from syscolumns Where id=object_id (' Tname ')

Query Database (Databases) name:
Show DATABASES/* This can see all the database names */
Query data table (Tables) Name:
Show TABLES/* can view all tables in the current database */
Field (Columns) name in Query data table (Tables):
Show columns form table name from database name
Show columns from database name. Table name

Database name, data table name, field name in MySQL

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