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, to_date ('20-2-1981 ', 'dd-mm-yyyy'), 1600,300, 30 );INSERT INTO EMP VALUES(7521, 'ward ', 'salesman', 7698, to_date ('22-2-1981 ', 'dd-mm-yyyy'), 1250,500, 30 );INSERT INTO EMP VALUES(7566, 'Jones ', 'manager', 7839, to_date ('2-4-1981', 'dd-mm-yyyy '), 2975, NULL, 20 );INSERT INTO EMP VALUES(7654, 'martin ', 'salesman', 7698, to_date ('28-9-

In oracle 9i/10g, if the database instance does not have the scott mode, you can manually create it as follows:Log on to the databaseCreate scott userAssign permissions to scott usersUse scott to log on to www.2cto.com1. Execute the following SQL statementDrop table emp; drop table dept; drop table bonus; drop table salgrade; drop table dummy; create table emp (empno number (4) not null, ENAME VARCHAR2 (10 ), JOB VARCHAR2 (9), mgr number (4), hiredate date, sal number (7, 2), comm number (7, 2),

Oracelaltertable adds the primary key primarykeysql gt; SQL gt; createtableemp (empnonumber (4) notnull, nbsp; 2 nbsp; nbsp; Oracel alter table adds the primary key to the table SQL>SQL> create table emp (empno number (4) not null,2 ename varchar2 (10 ),3 job varchar2 (9 ),4 mgr number (4 ),5 hiredate date,6 sal number (7, 2 ),7 comm number (7, 2 ),8 deptno number (2 )); Table created. SQL>SQL> insert into emp values (7369, 'Smith ', 'cler', 7902, to_date ('17-dec-1980', 'dd-mon-yyyy')

varchar2 (9 ),4 mgr number (4 ),5 hiredate date,6 sal number (7, 2 ),7 comm number (7, 2 ),8 deptno number (2 )); Table created. SQL>SQL> insert into emp values (7369, 'Smith ', 'cler', 7902, to_date ('17-dec-1980', 'dd-mon-yyyy'), 800, null, 20 ); 1 row created. SQL> insert into emp values (7499, 'allen', 'salesman', 7698, to_date ('20-feb-1981 ', 'dd-mon-yyyy'), 1600,300, 30 ); 1 row created. SQL> insert into emp values (7521, 'ward ', 'sales

Oracle analysis function PERCENTILE_CONT Query the salaries of people with the salary distribution of 25%, 50%, and 75% in each department. percent_rank () is the relative position in the ranking. Create table EMP (empno number (4) not null, ENAME VARCHAR2 (10), JOB VARCHAR2 (9), mgr number (4), hiredate date, sal number (7, 2 ), comm number (7369), deptno number (2); insert into emp (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO) values, 'Smith ', 'cler', 7902, to_date ('17-12-1980', 'dd-

-1988 remOATES:Created:16-Feb-83 DROPUSERSCOTTCASCADE; DROPUSERADAMSCASCADE; DROPUSERJONESCASCADE; DROPUSERCLARKCASCADE; DROPUSERBLAKECASCADE; GRANTCONNECT,RESOURCE,UNLIMITEDTABLESPACETOSCOTTIDENTIFIEDBYTIGER; DROPPUBLICSYNONYMPARTS; CONNECTSCOTT/TIGER CREATETABLEDEPT (DEPTNONUMBER(2)CONSTRAINTPK_DEPTPRIMARYKEY, DNAMEVARCHAR2(14), LOCVARCHAR2(13)); CREATETABLEEMP (EMPNONUMBER(4)CONSTRAINTPK_EMPPRIMARYKEY, ENAMEVARCHAR2(10), JOBVARCHAR2(9), MG

SQL: Oracle simple table, oraclesimple -- Oracle 9i data script address: $ oracle_home/rdbms/admin/utlsampl. sqlCREATE table dept (deptno number (2) CONSTRAINT PK_DEPT primary key, DNAME VARCHAR2 (14), LOC VARCHAR2 (13); create table emp (empno number (4) CONSTRAINT PK_EMP primary key, ENAME VARCHAR2 (10), JOB VARCHAR2 (9), mgr number (4), hiredate date, sal number (7, 2), comm number (7, 2 ), deptno number (2) CONSTRAINT FK_DEPTNO references dept); INSERT Dept values (10, 'accounting', 'New YOR

-yyyy \'), 800, NULL, 20 );INSERT INTO EMP VALUES(7499, \ 'allen \ ', \ 'salesman \', 7698, to_date (\ '20-2-1981 \ ', \ 'dd-mm-yyyy \'), 1600,300, 30 );INSERT INTO EMP VALUES(7521, \ 'ward \ ', \ 'salesman \', 7698, to_date (\ '22-2-1981 \ ', \ 'dd-mm-yyyy \'), 1250,500, 30 );INSERT INTO EMP VALUES(7566, \ 'Jones \ ', \ 'manager \', 7839, to_date (\ '2-4-1981 \

Oracle Advanced query over (partitionby ..) To facilitate learning and testing, all examples are created under Scott, an Oracle user. create table EMP( empno NUMBER(4) not null, ename VARCHAR2(10), job VARCHAR2(9), mgr NUMBER(4), hiredate DATE, sal NUMBER(7,2), comm NUMBER(7,2), deptno NUMBER(2))alter table EMP add constraint PK_EMP primary key (EMPNO);insert into EMP (empno, ename, job, mgr, hiredate, sal, comm, deptno) values (7369, 'SMITH', 'CLERK', 7902, to_date('17-12-1980', 'd

) | '@' | substr (global_name, 1, decode (dot, 0, length (global_name), dot-1) global_namefrom (select global_name, instr (global_name ,'. ') dot from global_name); set sqlprompt' gname> 'set termout on After using the scott user to log on [oracle@RHEL65 ~]$ sqlplus scott/oracleSQL*Plus: Release 11.2.0.1.0 Production on Sat Jan 23 00:11:26 2016Copyright (c) 1982, 2009, Oracle. All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit ProductionWith the

In oracle9i10g, if the database instance does not have the scott mode, you can manually create it as follows: In oracle 9i/10g, if the database instance does not have the scott mode, you can manually create it as follows: In Oracle 9i/10g, if the database instance does not have the scott mode, you can manually create it as follows: Log on to the database Create scott user Assign permissions to scott users Log On with scott user 1. Execute the following SQL statement Drop table emp;Dro

, ' job ' varchar (10)defaultNULL, ' Mgr 'int(11)defaultNULL, ' hiredate ' datedefaultNULL, ' Sal ' Decimal (7,2)defaultNULL, ' Comm ' Decimal (7,2)defaultNULL, ' DeptNo 'int(11)defaultNULL, PRIMARY key (' ID '), key ' Fk_emp_deptno ' (' DeptNo '), CONSTRAINT ' Fk_emp_deptno ' FOREIGN KEY (' DeptNo ') REFER Ences ' dept ' (' DeptNo ') ENGINE=innodb DEFAULT charset=latin1;-- ------------------------------Records of EMP-- ----------------------------INSERT into EMP VALUES (' 1 ', ' 7369 ', ' Smith

How to set up Scott/tiger demo mode correctlyExecute script(1) CD [Oracle_home]/sqlplus/demo.(2) Run Demobld.sql after connecting as any user.Note: The location and name of the script file are different versions.If my Oracle version is 10G and runs in Windows operating system mode, the location and name of the script is: D:\oracle\product\10.2.0\db_1\RDBMS\ADMIN\utlsampl.sqlTo create a pattern without using a scriptCREATE TABLE EMP(EMPNO number (4),Ename VARCHAR2 (10),JOB VARCHAR2 (9),MGR Number

TABLE salgrade ( grade NUMBER,losal NUMBER,hisal NUMBER ); 8. Insert test data -- dept INSERT INTO dept VALUES (10,'ACCOUNTING','NEW YORK');INSERT INTO dept VALUES (20,'RESEARCH','DALLAS');INSERT INTO dept VALUES (30,'SALES','CHICAGO');INSERT INTO dept VALUES (40,'OPERATIONS','BOSTON'); 9. Insert test data -- emp INSERT INTO emp VALUES(7369,'SMITH','CLERK',7902,to_date('17-12-1980','dd-mm-yyyy'),800,NULL,20);INSERT INTO emp VALUES(7499,'ALLEN','SALESMAN',7698,to_date('20-2-

error 1 encounteredORA-00001: unique constraint (SCOTT. PK_EMP) violatedColumn 1 7499Column 2 itpux02Column 3 commentColumn 4 7698Column 5 20-FEB-1981: 00: 00: 00Column 6 1600Column 7 300Column 8 30IMP-00019: row rejected due to ORACLE error 1IMP-00003: ORACLE error 1 encounteredORA-00001: unique constraint (SCOTT. PK_EMP) violatedColumn 1 7521Column 2 itpux03Column 3 commentColumn 4 7698Column 5 22-FEB-1981