| drop table ·×»»µ¡ÍѸì; |
| create table ·×»»µ¡ÍѸì (ÍѸì text, ʬÎॳ¡¼¥É varchar, È÷¹Í1A¤À¤è char(16)); |
| create index ·×»»µ¡ÍѸìindex1 on ·×»»µ¡ÍѸì using btree (ÍѸì); |
| create index ·×»»µ¡ÍѸìindex2 on ·×»»µ¡ÍѸì using hash (ʬÎॳ¡¼¥É); |
| insert into ·×»»µ¡ÍѸì values('¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤','µ¡A01¾å'); |
| insert into ·×»»µ¡ÍѸì values('¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹','ʬB10Ãæ'); |
| insert into ·×»»µ¡ÍѸì values('¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼','¿ÍZ01²¼'); |
| vacuum ·×»»µ¡ÍѸì; |
| select * from ·×»»µ¡ÍѸì; |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É = '¿ÍZ01²¼'; |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É ~* '¿Íz01²¼'; |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É like '_Z01_'; |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É like '_Z%'; |
| select * from ·×»»µ¡ÍѸì where ÍѸì ~ '¥³¥ó¥Ô¥å¡¼¥¿[¥Ç¥°]'; |
| select * from ·×»»µ¡ÍѸì where ÍѸì ~* '¥³¥ó¥Ô¥å¡¼¥¿[¥Ç¥°]'; |
| select *,character_length(ÍѸì) from ·×»»µ¡ÍѸì; |
| select *,octet_length(ÍѸì) from ·×»»µ¡ÍѸì; |
| select *,position('¥Ç' in ÍѸì) from ·×»»µ¡ÍѸì; |
| select *,substring(ÍѸì from 10 for 4) from ·×»»µ¡ÍѸì; |