On Nov 8, 1:22 pm, Michael Moore <michaeljmo...@gmail.com> wrote: > Why are you asking a MYSQL question on an Oracle PL/SQL mail list? > > On Tue, Nov 8, 2011 at 12:59 PM, VIGNESH PRAJAPATI > <vignesh2...@gmail.com>wrote: > > > > > ok thaks ..But if i want to do this in MYSQL than any idea? > > > On Wed, Nov 9, 2011 at 2:22 AM, ddf <orat...@msn.com> wrote: > > >> On Nov 8, 12:36 pm, VIGNESH PRAJAPATI <vignesh2...@gmail.com> wrote: > >> > We know that id of any table is of integer type and auto-increment in > >> that > >> > table is fine. But my problem is that i want to increment a combination > >> of > >> > string and integer. For example String : ABC is the starting code for > >> the > >> > unique id. > > >> > First Id of my table should be primary key and > > >> > ie ABC10001, ABC10002,..... and so on. > > >> > Without using another key as auto-increment. Please do not use two type > >> of > >> > unique key. > > >> > -- > > >> > *Vignesh Prajapati* > >> > Tel: 9427415949 | > >> > vignesh2...@gmail.com |www.vipras.com.co.in > >> > MYTK [image: Facebook] <https://www.facebook.com/vigs143> [image: > >> > Twitter]<http://twitter.com/#%21/vigs143> [image: > >> > LinkedIn] <http://www.linkedin.com/pub/vignesh-prajapati/37/756/46a> > >> [image: > >> > about.me] <http://www.way4fun.tk>< > >>http://r1.wisestamp.com/r/landing?promo=7&dest=http%3A%2F%2Fwww.wises...> > > >> This is an Oracle group , not Sybase or SQL Server, so the > >> 'autoincrement' mechanism is far different. It is possible to use a > >> sequence value with a string to create a character-based, auto- > >> incrementing primary key: > > >> SQL> create table keytest( > >> 2 mykey varchar2(40) not null, > >> 3 mydata varchar2(100), > >> 4 constraint keytest_pk > >> 5 primary key (mykey) > >> 6 ); > > >> Table created. > > >> SQL> > >> SQL> create sequence myseq > >> 2 start with 1 increment by 1 nocycle nomaxvalue; > > >> Sequence created. > > >> SQL> > >> SQL> create trigger pop_key > >> 2 before insert on keytest > >> 3 for each row > >> 4 begin > >> 5 select 'ABC'||lpad(myseq.nextval,10,'0') > >> 6 into :new.mykey > >> 7 from dual; > >> 8 end; > >> 9 / > > >> Trigger created. > > >> SQL> > >> SQL> > >> SQL> begin > >> 2 for i in 1..10 loop > >> 3 insert into keytest > >> 4 (mydata) > >> 5 values > >> 6 ('This is record number '||i); > >> 7 end loop; > >> 8 > >> 9 commit; > >> 10 > >> 11 end; > >> 12 / > > >> PL/SQL procedure successfully completed. > > >> SQL> > >> SQL> select * from keytest order by 1; > > >> MYKEY MYDATA > >> ---------------------------------------- > > >> ---------------------------------------------------------------------------------------------------- > >> ABC0000000001 This is record number 1 > >> ABC0000000002 This is record number 2 > >> ABC0000000003 This is record number 3 > >> ABC0000000004 This is record number 4 > >> ABC0000000005 This is record number 5 > >> ABC0000000006 This is record number 6 > >> ABC0000000007 This is record number 7 > >> ABC0000000008 This is record number 8 > >> ABC0000000009 This is record number 9 > >> ABC0000000010 This is record number 10 > > >> 10 rows selected. > > >> SQL> > > >> David Fitzjarrell > > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "Oracle PL/SQL" group. > >> To post to this group, send email to Oracle-PLSQL@googlegroups.com > >> To unsubscribe from this group, send email to > >> oracle-plsql-unsubscr...@googlegroups.com > >> For more options, visit this group at > >>http://groups.google.com/group/Oracle-PLSQL?hl=en > > > -- > > > *Vignesh Prajapati* > > Tel: 9427415949 | > > vignesh2...@gmail.com |www.vipras.com.co.in > > MYTK [image: Facebook] <https://www.facebook.com/vigs143> [image: > > Twitter]<http://twitter.com/#%21/vigs143> [image: > > LinkedIn] <http://www.linkedin.com/pub/vignesh-prajapati/37/756/46a> [image: > > about.me] > > <http://www.way4fun.tk><http://r1.wisestamp.com/r/landing?promo=7&dest=http%3A%2F%2Fwww.wises...> > > > -- > > You received this message because you are subscribed to the Google > > Groups "Oracle PL/SQL" group. > > To post to this group, send email to Oracle-PLSQL@googlegroups.com > > To unsubscribe from this group, send email to > > oracle-plsql-unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/Oracle-PLSQL?hl=en- Hide quoted text - > > - Show quoted text -
Some think SQL is SQL, regardless of the RDBMS, I guess. David Fitzjarrell -- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To post to this group, send email to Oracle-PLSQL@googlegroups.com To unsubscribe from this group, send email to oracle-plsql-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Oracle-PLSQL?hl=en