Sql seuence and sub queries
- 1. SQL> create sequence pooja; Sequence created. SQL> minvalue with1 SP2-0734: unknowncommandbeginning"minvaluew..." - restof line ignored. SQL> minvalue 1 SP2-0042: unknowncommand"minvalue1" - restof line ignored. SQL> create sequence sqnamestartwith1 2 incrementby1; Sequence created. SQL> create table stud(s_idnumber(2),s_name varchar2(21)); create table stud(s_idnumber(2),s_name varchar2(21)) * ERROR at line 1: ORA-00955: name is alreadyusedbyan existingobject SQL> create table stud1(s_idnumber(2),s_name varchar2(21)); Table created. SQL> insertintostud1("1","pooja"); insertintostud1("1","pooja") *
- 2. ERROR at line 1: ORA-00926: missingVALUESkeyword SQL> insertintostud1 values("1","pooja"); insertintostud1values("1","pooja") * ERROR at line 1: ORA-00984: columnnot allowedhere SQL> insertintostud1 values('1'.'pooja'); insertintostud1values('1'.'pooja') * ERROR at line 1: ORA-00917: missingcomma SQL> insertintostud1 values('1','pooja'); 1 rowcreated. SQL> insertintostud1 values('2','riya'); 1 rowcreated. SQL> insertintostud1 values('2','riya'); 1 rowcreated.
- 3. SQL> insertintostud1 values(sqname.nextval,'rekha'); 1 rowcreated. SQL> selectc*formstud1; SP2-0734: unknowncommandbeginning"selectc*f..." - restof line ignored. SQL> select*formstud1; select*formstud1 * ERROR at line 1: ORA-00923: FROM keywordnotfoundwhere expected SQL> select*fromstud1; S_ID S_NAME ---------- --------------------- 1 pooja 2 riya 2 riya 1 rekha SQL> insertintostud1 values(sqname.nextval,'radhika'); 1 rowcreated. SQL> select*fromstud1;
- 4. S_ID S_NAME ---------- --------------------- 1 pooja 2 riya 2 riya 1 rekha 2 radhika SQL> create table student1(s_idnumber(4),s_name varchar2(21),addressvarchar2( 21),s_contactN number(7)); create table student1(s_idnumber(4),s_name varchar2(21),addressvarchar2(21),s _contactN number(7)) * ERROR at line 1: ORA-00955: name is alreadyusedbyan existingobject SQL> create table studentmca(s_idnumber(4),s_name varchar2(21),addressvarchar 2(21),s_contactN number(7)); Table created. SQL> desc studentmca; Name Null? Type ----------------------------------------- -------- ---------------------------- S_ID NUMBER(4) S_NAME VARCHAR2(21) ADDRESS VARCHAR2(21)
- 5. S_CONTACTN NUMBER(7) SQL> create table studentmca(s_idnumber(4),p1number(4),p2number(4),p3number (4)); create table studentmca(s_idnumber(4),p1number(4),p2number(4),p3number(4)) * ERROR at line 1: ORA-00955: name is alreadyusedbyan existingobject SQL> create table resultmca(s_idnumber(4),p1number(4),p2number(4),p3number( 4)); Table created. SQL> desc resultmca; Name Null? Type ----------------------------------------- -------- ---------------------------- S_ID NUMBER(4) P1 NUMBER(4) P2 NUMBER(4) P3 NUMBER(4) SQL> desc studentmca; Name Null? Type ----------------------------------------- -------- ---------------------------- S_ID NUMBER(4)
- 6. S_NAME VARCHAR2(21) ADDRESS VARCHAR2(21) S_CONTACTN NUMBER(7) SQL> inserttable studentmcavalues('1','pooja','kurji','7654303'); inserttable studentmcavalues('1','pooja','kurji','7654303') * ERROR at line 1: ORA-00925: missingINTOkeyword SQL> insertintostudentmcavalues('1','pooja','kurji','7654303'); 1 rowcreated. SQL> insertintostudentmcavalues('2','pushpaq','patna','7624303'); 1 rowcreated. SQL> insertintostudentmcavalues('3','ravi','patna','6624303'); 1 rowcreated. SQL> insertintostudentmcavalues('4','raja','patna','6634303'); 1 rowcreated. SQL> insertintostudentmcavalues('5','raj','delhi','6637303');
- 7. 1 rowcreated. SQL> desc resultmca; Name Null? Type ----------------------------------------- -------- ---------------------------- S_ID NUMBER(4) P1 NUMBER(4) P2 NUMBER(4) P3 NUMBER(4) SQL> insertintoresultmcavalues('1','45','65','76'); 1 rowcreated. SQL> insertintoresultmcavalues('2','47','64','76'); 1 rowcreated. SQL> insertintoresultmcavalues('3','47','65','78'); 1 rowcreated. SQL> insertintoresultmcavalues('4','46','68','78'); 1 rowcreated. SQL> insertintoresultmcavalues('5','46','69','78');
- 8. 1 rowcreated. SQL> select*from resultmca; S_ID P1 P2 P3 ---------- -------------------- ---------- 1 45 65 76 2 47 64 76 3 47 65 78 4 46 68 78 5 46 69 78 SQL> select* from'p1' where s_idinwhere p1>60; select* from'p1' where s_idinwhere p1>60 * ERROR at line 1: ORA-00903: invalidtable name SQL> select* from studentmcawhere s_idin(selectidfromresultmcawhere p1>=6 0); select* fromstudentmcawhere s_idin(selectidfromresultmcawhere p1>=60) * ERROR at line 1: ORA-00904: "ID": invalididentifier SQL> select* from studentmcawhere s_idin(selects_idfromresultmcawhere p1> =60);
- 9. no rowsselected SQL> select* from studentmcawhere s_idin(selects_idfromresultmcawhere p3> =60); S_ID S_NAME ADDRESS S_CONTACTN ---------- --------------------- --------------------- ---------- 1 pooja kurji 7654303 2 pushpaq patna 7624303 3 ravi patna 6624303 4 raja patna 6634303 5 raj delhi 6637303 SQL>