all shapes names

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.constraint_name = foreign key reference table key name5. Queryin

Phpmysql obtains the names of all tables in the specified database. Php Tutorial mysql tutorial obtain all table names of a specified database tutorial if you want to display a table name of a specified database in mysql, the method is very simple. mysql provides a showtables command, it returns the php Tutorial mysql

Package Com.readfile;import Java.io.file;public class Getallfiles {public static void main (string[] args) {//path Here write a path into string path= "F:\\QQ document";//Call Method GetFiles (path);} /** * Recursively gets all files, folders under a path, and outputs */public static void GetFiles (String path) {File File = new file (path);//If the path is a folder if (file.i Sdirectory ()) {//Get all Fil

VBS gets the names of all folders under the current directory, excluding subfolders. I want to work with each folder, so it's best to use the loop output. When testing to ensure that there is a folder in the current directory can be, otherwise the output is empty. Copy Code code as follows: Set ws=wscript.createobject ("Wscript.Shell") W=ws. CurrentDirectory Set fso=wscript.createobject ("Scr

Oracle uses a cursor to query a string that combines the names of all fields in a specified data table. oracle cursor Application Scenario: refer to the Code for querying all field names of a data table on the Internet, and use a cursor to generate a list of field names sepa

Application: Refer to all the field name codes of the data table on the web, use cursors to generate all field names of the specified single table followed by commas for the list of field names separated by the select comma from the string and other occasions.The query result output is as follows:The field list string

View all tables in Oracle: Select * From TAB/dba_tables/dba_objects/CAT; View the table created by the user: Select table_name from user_tables; // The table of the current user Select table_name from all_tables; // tables of all users Select table_name from dba_tables; // includes the system table Select * From user_indexes // all user table indexes can be queri

In MySQL to display all the table names in the specified database we have a command show tables can be implemented, let me take a look at how show tables get all the table names in the MySQL database. Use Direct cmd command mode The code is as follows Copy Code show databases;Show tables fro

Iamlaosong folder inside the image file is saved with a single scan, the file name is the mail number, now want to collect these mail numbers, because the volume is very large, it is not possible to intercept a single, only through the program implementation, assuming that the current worksheet B is placed in the folder of these image files, The following program can be used to tell the message number of these image files: Sub findname () Dim FS, F, F1, FC, Mydir MaxRow = Sheets ("Mail Number").

Https://www.cnblogs.com/strongYaYa/p/7200357.htmlThere are two functions under the OS module:Os.walk ()Os.listdir ()1 #-*-coding:utf-8-*- 2 3 import os 4 5 def file_name (file_dir): 6 for Root, dirs, files in Os.walk (file_dir): 7 print (root) #当前目录路径 8 print (dirs) #当前路径下所有子目录 9 Print (Files) #当前路径下所有非目录子文件 1 #-*-coding:utf-8-*- 2 3 import os 4 5 def file_name (file_dir): 6 l=[

ado| Data | database ' Suppose mcnndb is a ado.connection that has a database open ' Get all table names in the database the key is to use the Ado.connection OpenSchema method ' This method returns a read-only dataset, including system tables and user tables. ' Therefore, a collection is needed to save the user table Public Function Getalltablename () as System.Collections.ArrayList Dim T as New System.Coll

(datasource_username); returnuser;} /** * Get all table names for the specified database and user * @param conn Connection database object * @param user user * @param database name * @return*/ Public StaticList Getalltablenames (Connection conn, string user, String database) {List Tablenames=NewArrayList (); if(Conn! =NULL) { Try{DatabaseMetaData Dbmd=Conn.getmetadata (); //List of table namesResultSet

Tags: color objects type select Val Table name Export Data desc ObjectSELECT(case if A.colorder=1 then d.name Else ' end) Table name,A.colorder Field Ordinal,A.name Field Name,B.name field type,b.length field Length,G.[value] As Field descriptionFrom syscolumns a LEFT join systypes bOn A.xtype=b.xusertypeINNER JOIN sysobjects DOn a.id=d.id and d.xtype= ' U ' and d.nameLeft Join Sys.extended_properties GOn a.id=g.major_id and a.colid = g.minor_id--where D.[name] --where D.[name] = ' cityhot '-the