query to list all tables in oracle database

Tags: div requires code foreign key const logs open span objectDelete database all tables and all stored procedure SQL statements at once Transferring database data today requires emptying the database's original tables and stored

Label:Transferred from: http://www.cnblogs.com/aflyfly/archive/2011/08/10/2133546.html actinium Fly MS SQL Server1. Query All TablesSelect [ID], [name] from [sysobjects] where [type] = ' u ' ORDER by [name]2. Query all databases3. Select [Name] from [sysdatabases] ORDER by [name]Querying fields in a tableSelect [Name]

-- Original design intention: Convert the data table of the simplified version to the traditional version-- Query all user data tables with a cursorDeclare @ currenttablename nvarchar (250)Declare usertablecursor cursor for -- declare a cursorSelect name from sysobjects where xtype = 'U' and Category = '000000' order by nameOpen usertablecursor -- open the cursor

. Pk_marbasclass; End Case; Commit; --Remember to commit the transaction End;Create a temporary synchronization intermediate state table structure--determine if the table exists and delete if it existsDeclareNum Number; begin Select Count(1) intoNum fromAll_tableswheretable_name= 'Bd_marbasclass_sync' andOWNER='NC'; ifNum=1 Then ExecuteImmediate'drop table Bd_marbasclass_sync'; End if; End; //** * Name:bd_marbasclass_sync * DESC: Material classification Synchronization

/* 1. query all databases in SQLSERVER */ Use master Go Select * from sysdatabases where dbid> 4/* The where condition is used to remove the system database */ Go /* 2. query all databases (Stored Procedures) in SQLSERVER )*/ Exec sp_helpdb /* 3.

/* 1. query all databases in sqlserver */ Use master Go Select * From sysdatabases where dbid> 4/* The where condition is used to remove the system database */ Go /* 2. query all databases (Stored Procedures) in sqlserver )*/ Exec sp_helpdb /* 3.

Program Introduction: Sometimes we want to know which tables are in a database and what fields are in the table. I wrote a small program to implement this function. Ideas:1: connect to the database (nonsense) 2: obtain all the tables in the

Querying all the Databases Select [Name] from [sysdatabases] ORDER by [name] Querying for all tables in a database Select [ID], [name] from [sysobjects] where [type] = ' u ' all know [Type] = ' u ' is the user table, [type] = ' s ' is the system table. Based on the

Php database operation class (to add, delete, modify, and query tables, retrieve rows, and query multiple data Records) The php database operation class allows you to add, delete, modify, and query

1:hibernate queries with a deeper query, using detachedcriteria multiple table queries. There are two table Clazz,user in the database, because it is a test program, the foreign key is not set, and the associated attribute between two objects is not included in the mapping file, such as It's just that when you write an hql, you implement an association between two objects, similar to the Sql:select c.id,c

1 -PHP - //$dir = dirname (GETCWD ()); - //$filepath = $dir. ' \ \ '. ' Communication '. ' \\‘.‘ Mod_index.php '; + Header("content-type:text/html; Charset=utf-8 "); - $path=dirname(GETCWD()); + $direction=dir($path); A at $allow=Array( - - ); - $result=Array(); -Gettables ($direction); - $direction-close (); inPrintTable ($result); - to + /** - * Get the table name used by all PHP file query statements

name, the table name of the reference table and the corresponding key name, the following is divided into multi-step query):SELECT * from user_constraints c where c.constraint_type = ' R ' and c.table_name = table to queryQuery the column name of the FOREIGN KEY constraint:SELECT * from User_cons_columns cl where cl.constraint_name = FOREIGN key NameQuery the column name of the key referencing the table:SELECT * from User_cons_columns cl where cl.con

How can I query all tables and sort them by the published time? For example, I made a forum where posts for each topic were placed in a separate table. I posted posts for the hardware, software, and programming sections respectively. now I am in my personal center, how can I display all my posts and sort them by releas

Find the current maximum id and Database id of all tables in the database. Today, we need to count the current maximum IDs of all tables in the database. It is too difficult to

table [table name] Add field name the datetime default function increases the date Type field, where the function can be now (), date (), and so on, representing the default value (which is most commonly used, and other properties, which can be referenced by the following data type Delete field: ALTER TABLE [table name] Drop field name Modify size of variable-length text field: ALTER TABLE [table name] ALTER field name varchar (N) Delete table: drop tabl