how to create table in oracle database

Label:SELECT * FROM (SELECT Tt.*,rownum RN from(SELECTa.case_id as Treatid,A.type as TYPE,B.content as CONTENT,b.add_user_id as Adduserid,B.add_user_type as Addusertrpe,A.create_time as Createtime,B.check_time as Checktime,E.addusertypeFrom T_medical_case ALeft JOIN t_treatment B on a.case_id = b.treat_idLeft JOIN (select c.patient_id as ID, C.user_name, ' 2 ' as AddusertypeFrom T_patient_info CUNIONSelect d.doctor_id as ID, D.user_name, ' 1 ' as AddusertypeFrom T_doctor_info D) E on b.add_user_

I learned about the Partition Table Technology in Oracle today. Now I want to save the statement for creating a partition table here! SQL> conn system/windows @ studyConnected. SQL> create tablespace test datafile 'd: \ oracle \ product \ 10.2.0 \ oradata \ study \ tesT. dbf

Label: CREATE TABLEEmployees_demo (employee_id Number(6), first_nameVARCHAR2( -), last_nameVARCHAR2( -) CONSTRAINTEmp_last_name_nn_demo not NULL, emailVARCHAR2( -) CONSTRAINTEmp_email_nn_demo not NULL, Phone_numberVARCHAR2( -), hire_date dateDEFAULTsysdateCONSTRAINTEmp_hire_date_nn_demo not NULL, job_idVARCHAR2(Ten) CONSTRAINTEmp_job_nn_demo not NULL, Salary Number(8,2) CONSTRAINTEmp_salary_nn_demo not NULL, commission_pct Number(2,2), manager_id Numb

1. First, create a (new) User:Create user username identified by password;Username: User name for new usernamePassword: New user's passwordYou can also not create a new user, but still use the previous user, such as: Continue to use the Scott user2. Create TABLE spaces:Create tablespace tablespacename datafile ' d:\dat

SQL: Oracle 11g create table, function, trigger, sequence, 11 gtrigger -- Place directory drop table BookPlaceList; create table BookPlaceList (BookPlaceID int primary key, -- NUMBERBookPlaceName nvarchar2 (500) not null, BookPlac

Oracle Create Tablespace Url:http://www.cnblogs.com/netsql/articles/1745978.html /* is divided into four steps * ///////* 1th: Create temporary table Space * * * temporary tablespace user_temp tempfile ' D:\oracle\oradata\ ORACLE9I\USER_TEMP.DBF ' size 50m autoex

Label: --CREATE TABLE Space Createtablespace imark datafile'E:\oracle\product\10.2.0\oradata\orcl\imark.dbf'size 500M autoextend on Next100M MaxSize Unlimited logging extent management Local Autoallocate segmentSpaceManagement Auto; --Create user Create UserImark--

DECLAREICount number (2): = 0;BEGINSelect count (*) INTO iCount FROM user_sequences u WHERE u. sequence_name = 'seq _ TCAPITALNOTIFY ';IF iCount = 0THEN/* Create sequence */Execute immediate 'create sequence SEQ_TCAPITALNOTIFY minvalue 1 nomaxvalue start with 1 increment by 1 ';End if;Select count (*) INTO iCount FROM user_tables u WHERE u. TABLE_NAME = 'tcapital=y ';IF iCount = 0THEN/*

[Oracle] database table structure command, oracle command When writing project documents, you may need to write the database table structure. It is very inefficient to right-click the editor to view the

Oracle Create PRIMARY key self-increment table 1, CREATE TABLE Test_increase (userid number) not NULL primary key,/* primary key, auto increment */ Username VARCHAR2 (20)); 2. Create an auto-grow sequence creation SEQUENCE Testinc

Label:1. Understand the database and create new: 1) Open the database and connect to the server. 2) service type without tube. 3) server name: Make a point "." Indicates that the server is on the local computer and, if it is hosted on someone else's server, enter the server IP address. 4) Authentication: If you are Windows authentication, you need administrator p

Tags: character tab create file variable order default Max RIPCREATE Table Statement CREATE table [schema.] Table name (column datatype [DEFAULT expr][, ...]); Specify a default value for the column during the insertion ... hire_date date DEFAULT sysdate,... The default valu

value from the sequence to emulate the identity columnPanax Notoginseng: new.id:=V_newval; - END IF; the END; + A --simple trigger, there is a problem with the trigger, the sequence is skipped the Create or Replace TriggerPerson_id_tri beforeInsert on Person + forEach row when(new.id is NULL) - BEGIN $ SelectPerson_id_seq.nextval into: new.id fromdual; $ End; - - --Insert an instance the Insert intoPerson (name, birth)Values('Ceshi', sysdate);

Create a Pipelined table function in oracle. I am tired of it. Remember it and save the trouble. 1. Create a type first: Create or replace type smpl_metadata AS OBJECT ( Smpl varchar2 (2000 ), Lauren varchar2 (2000 ), Grade varchar2 (2000) ); 2.

In Oracle, there are times when you need to update another table with one table. The following are examples of implementations: 1. Create a table test_a CREATE TABLE Test_a (ID Number

CREATE an oracle exercise TABLE SQL code CREATE TABLE DEPT (DEPTNO NUMBER (2) CONSTRAINT PK_DEPT PRIMARY KEY, DNAME VARCHAR2 (14), LOC VARCHAR2 (13 )); create table emp (empno number (4

/root.shInstallation log:/u01/app/orainventory/logs/installactions2015-03-22_08-39-53pm.log16 Configuring monitoring:NETCA has been the next step, finally select Finish to17. Using DBCA to build a libraryNext"CREATE DATABASE" next"Custom Database" nextEnter a database name such as "test"Remove the configuration of EMSe

The following is a detailed analysis of the three methods of the new Oracle database, the need for friends can come to reference the next 1. Create, configure, or delete databases by running Oracle database Configuration Assistant (You can also enter DBCA at the command lin

/* 1th step: Create temporary table space/*Create temporary tablespace user_tempTempfile ' D:\oracle\oradata\Oracle9i\user_temp.dbf 'Size 50mAutoextend onNext 50m maxsize 20480mExtent management Local; /* 2nd step: Create a datasheet space/*

used to hold internal tables and data dictionaries for Oracle systems, such as table names, column names, user names, and so on. It is not recommended that objects such as user-created tables, indexes, and so on be stored in the system table space.　　Sysaus Table Space: An object that is used to store common sample use