query to list all tables in oracle database

Tags: nullable data The Precision database SYS returns to CAS serverThe code looks like this:/*********************************sqlserver queries All tables in the database and their field properties *********************************/SELECT( Case whenA.colorder= 1 ThenD.nameELSE "' END) asTable name,--returns

Database Structure Description The database uses MySQL, 78 tables in total Ecs_account_log: account change log (registered user recharge, payment, and other records) Ecs_ad: advertisement table Ecs_admin_action: Administrator permission table (128 function operations are defined) Ecs_admin_log: Administrator operation log table Ecs_admin_message: Administrator me

Oracle multi-table insert all statement: SQL code create table ORDERS (CUSTOMER_ID NUMBER, SUM_ORDERS NUMBER); create table small_customers (CUSTOMER_ID NUMBER, SUM_ORDERS NUMBER ); create table medium_customers (CUSTOMER_ID NUMBER, SUM_ORDERS NUMBER); create table large_customers (CUSTOMER_ID NUMBER, SUM_ORDERS NUMBER); create table order_sums (CUSTOMER_ID NUMBER, SUM_ORDERS NUMBER ); SQL code insert into

In some cases, you must update all tables with a specific field in the database. For example: update all data in a system belonging to Company A as belonging to Company B. If you manually change a table to a table, it will be a waste of time and mechanical repetition. In addition, if you are not familiar with the syste

In fact, we only use the show usage in the mysql tutorial. The simple operation in mysql is as follows: Show table In this way, all the tables are displayed, but they are different in the php tutorial. Let's look at the following code: $ Server = 'localhost '; $ User = 'root '; $ Pass = ''; $ Dbname = 'dayanmei _ com '; $ Conn = mysql_connect ($ server, $ user, $ pass ); If (! $ Conn) die ("

-- SQL creates a primary key for all user data tables in the database-- Primary key Description: The name is ID, and the data type is Integer auto-increment. -- Query all constraints of the current database before creationSelect

How does Oracle search for fields with a value in all tables under the current user?Create or replace procedure My_pro_searchkeyword isV_sql VARCHAR2 (4000);V_tb_column VARCHAR2 (4000);V_CNT number (18,0);Cursor cur is select ' Select ' | | ' "' | | t1.table_name| | ' "." ' | | T1. column_name| | ' ' | | ', ' | | ' as COL_NAME, NVL (COUNT (t. "' | | T1. column_na

Label:  DECLARETYPE name_list isTABLE ofVARCHAR2( +);TYPE type_list isTABLE ofVARCHAR2( -);Tab_name name_list:=name_list ();Tab_type type_list:=type_list ();Sql_strVARCHAR2( -);BEGINSQL_STR:='Select Uo.object_name,uo.object_type from user_objects uo where Uo.object_type not in ("'INDEX"',"'LOB"') Order BY uo.object_type Desc';EXECUTEIMMEDIATE sql_strBULKCOLLECT intoTab_name,tab_type; forIinchTab_name.First: Tab_name. Last LOOPSQL_STR:='DROP'||Tab_type (i)||''||Tab_name (i);EXECUTEIMMEDIATE Sql

Oracle Database Console (Oracle Enterprise Manager Console ).The TableName statement is as follows:SELECT field name FROM TableName @ Data Link name; Copy table data: Insert into Table Name (field name) (SELECT field name FROM TableName @ Data Link name ); View DBLINK: Select owner, db_link from dba_db_links; Delete: Drop d