query to list all tables in oracle database

Tags: show img src Select View Execute Limited Grant WordDescription: Enables user selame to query all tables in user ame (cannot be added and deleted)1. Create User SelameCreate user selame identified by Password;2. Set User Selame system permissionsGrant Connect,resource to Selame; 3. Set user Selame object permissions Grant Select any table to "Selame"; Grant

Method One: First establish a computational function1 Create or Replace functionCount_rows (table_nameinch varchar2,2Ownerinch varchar2 default NULL)3 return Number4AuthidCurrent_User5 is6Num_rows Number;7stmtvarchar2( -);8 begin9 ifOwner is NULL ThenTenstmt:= 'Select COUNT (*) from "'||table_name||'"'; One Else Astmt:= 'Select COUNT (*) from "'||Owner||'"."'||table_name||'"'; - End if; - ExecuteImmediate stmt intonum_rows; the returnnum_rows; - End;And then, by counting the fu

first set up a computational function>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>Create or Replace function count_rows (table_name in VARCHAR2,Owner in varchar2 default null)return numberAuthid Current_UserIsNum_rows number;stmt VARCHAR2 (2000);BeginIf owner is NULL thenstmt: = ' SELECT count (*) from ' | | table_name| | ' ";Elsestmt: = ' SELECT count (*) from ' | | owner| | ' "." ' | | table_name| | ' ";End If;Execute immediate stmt into num_rows;return num_rows;End;and then, b

/// /// Obtain the names of all database servers in the LAN. /// /// Server Name Array Public List String > Getsqlservernames () {datatable datasources =Sqlclientfactory. instance. createdatasourceenumerator (). getdatasources (); datacolumn Column = Datasources. Columns [ " InstanceName " ]; Datacolumn column2 =

SQL statement bitsCN.com used by MySQL to query the disk space used by all databases and the size of all tables in a single database SQL statement used to query the disk space of all d

Queries the disk space used by all databases in mysql and the size of all tables in a single database bitsCN.com Query the disk space used by all databases in mysql and the size of all

Query the disk space used by all databases in mysql and the size of all tables in a single database SQL code www.2cto.com select TABLE_NAME, concat (truncate (data_length/1024/1024, 2), 'mb') as data_size, concat (truncate (index_length/1024/1024, 2), 'mb') as index_size fro

SELECT Table name = case If A.colorder=1 then d.name else ' end, table description = case when a.colorder=1 then IsNull ( F.value, ') Else ' end,--field ordinal = a.colorder, field name = A.name, identity = case when ColumnProperty ( A.id,a.name, ' isidentity ') =1 then ' √ ' else ' end, primary key = case if exists (SELECT 1 from sysobjects where xtype= ' P K ' and Parent_obj=a.id and name in (the select name from the sysindexes WHERE indid in (select Indid from Sysindexkeys WHERE id = a.

The following statements are used to query all your tables in Oracle. If you are interested in oracle queries, take a look. Select * fromall_tab_commen The following statements are used to query

The following statements are used to query all your tables in oracle. If you are interested in oracle queries, take a look. Select * from all_tab_comments-- Query tables and views of

The following statements are used to query all your tables in Oracle. If you are interested in Oracle queries, take a look. Select * From all_tab_comments -- query tables and views of

To query all the user tables in Oracle, USER_TABLES sometimes needs to clean up, count, and analyze existing databases. This requires you to know how much data there are in the databases. in Oracle, you can use the view USER_TABLES: SELECT * FROM USER_TABLES; USER_TABLES pro

Today encountered a problem is to bulk update the value of a field in the database, you need to find out which table contains this field, organized the following statement to facilitate querySELECT DISTINCTT.table_name,C.column_nameFromInformation_schema. TABLES TINNER JOIN information_schema. COLUMNS COn c.table_name = T.table_namewhere T.table_type = ' base TABLE 'and c.column_name = ' field name 'and T.t

Many new users may not know how to query all tables and data in oracle. The following describes how to query all tables in oracle for your r

Php: list all tables in a specified mysql database Php: list all tables in a specified mysql database If (! Functi

I believe many of my friends have the need to use SQL statements to find all the tables in the specified database. For example, this requirement is even more common for database-related tools and projects, this chapter summarizes several methods to query

How does I list all tables/indices contained in an SQLite database If you is running the sqlite3 command-line Access program you can type ". Tables" To get a list of all T Ables. Or

Statement [SQL] declare @ tablenamenchar (20) declare @ fieldnamenchar (50) declare @ SQLStringnvarchar (300) Statements for querying all tables in the database -- declare cursor; -- game Statement [SQL] declare @ tablename nchar (20) declare @ fieldname nchar (50) declare @ SQLString nvarchar (300) DECLARE tnames_cursor cursor local FORWARD_ONLY READ_ONLY -- DEC

Common--Query the number of records for all tables in the database, Occupy space, index use space execsp_msforeachtable@precommand=N'CREATE TABLE # # # (table name sysname, number of records int, reserved space Nvarchar (20), Space varchar (20), index using space varchar (20), unused space varchar ())', @command1=N'Ins

query method and the results of the query are as follows Copy Code code as follows: Select S.id,s.name,s.age, (Select MC from Sexcode where dm=s.sex) sex, (Select MC from Gradecode where Dm=s.grade) grade From student S Id NAME Age SEX GRADE 1 1 Tom 8 Man Second Grade 2 2 John doe 11 Woman