select column names from table

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Table column name is more time, manual write column name is more troublesome, this function can let a person secretly lazyCreate or Replace function F_getcols (p_tablename in varchar2/* gets all column names in the table before and after you add

CREATE TABLE as SELECT * FROM and insert to select from two table copy statement differences[SQL]View PlainCopy Create table targer_table as select * from source_table INSERT INTO target_table (column1,column2) select Column1,column2

A, create table-a new table CREATE [Temporary | TEMP] Table Table (Column type[NULL | Not NULL] [UNIQUE] [DEFAULT value][Column_constraint_clause | PRIMARY KEY} [...]][, ... ][, PRIMARY KEY (column [, ...])][, CHECK (condition)][,

Gets the primary key column name of the table SQLSELECT * FROM User_cons_columnswhere constraint_name = (select Constraint_name from user_constraintsWHERE table_name = ' bst_favorite ' and constraint_type = ' P ');Remember : table names are

SQL Server obtains all column names in the temporary table or whether the specified column name exists. SQL Server column names Retrieve all column names in the temporary table Select name from tempdb. dbo. syscolumns where id = object_id ('#

1. Get allDatabase Name: (1) Select name from Master. DBO. sysdatabases order by name2. Get all table names:(1) Select name from sysobjects where xtype = 'U' order by nameXtype = 'U': indicates all user tables;Xtype = 's': indicates all system

Often encountered some forget the table name situation, at this time only remember a approximate, at this time can be queried by the system table sysobjects to find the table name, such as to find the name of the table containing the user, can be

Citation: Http://www.2cto.com/database/201209/155178.htmlSQL statement gets all database names, table names, field names, table fields length gets all the tables in the database select Sysobjects.name as Tablename from sysobjects WHERE xtype = ' U ' 

Obtain the table's primary key column name SQLSelect * From user_cons_columns Where constraint_name = (select constraint_name from user_constraints Where table_name = 'bst _ favorite 'and constraint_type = 'P '); Remember: The table name must be in