| drop table ͪߩѦ¿ë¾î; |
| ERROR: table "ͪߩѦ¿ë¾î" does not exist |
| create table ͪߩѦ¿ë¾î (¿ë¾î text, ÝÂ×¾ÄÚµå varchar, ºñ°í1A¶ó±¸ char(16)); |
| NOTICE: Table doesn't have 'DISTRIBUTED BY' clause -- Using column named '¿ë¾î' as the Apache Cloudberry data distribution key for this table. |
| HINT: The 'DISTRIBUTED BY' clause determines the distribution of data. Make sure column(s) chosen are the optimal data distribution key to minimize skew. |
| create index ͪߩѦ¿ë¾îindex1 on ͪߩѦ¿ë¾î using btree (¿ë¾î); |
| create index ͪߩѦ¿ë¾îindex2 on ͪߩѦ¿ë¾î using hash (ÝÂ×¾ÄÚµå); |
| insert into ͪߩѦ¿ë¾î values('ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ', 'ѦA01ß¾'); |
| insert into ͪߩѦ¿ë¾î values('ÄÄÇ»Åͱ׷¡ÇȽº', 'ÝÂB10ñé'); |
| insert into ͪߩѦ¿ë¾î values('ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó', 'ìÑZ01ù»'); |
| vacuum ͪߩѦ¿ë¾î; |
| select * from ͪߩѦ¿ë¾î; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | |
| (3 rows) |
| |
| select * from ͪߩѦ¿ë¾î where ÝÂ×¾ÄÚµå = 'ìÑZ01ù»'; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | |
| (1 row) |
| |
| select * from ͪߩѦ¿ë¾î where ÝÂ×¾ÄÚµå ~* 'ìÑz01ù»'; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | |
| (1 row) |
| |
| select * from ͪߩѦ¿ë¾î where ÝÂ×¾ÄÚµå like '_Z01_'; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | |
| (1 row) |
| |
| select * from ͪߩѦ¿ë¾î where ÝÂ×¾ÄÚµå like '_Z%'; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | |
| (1 row) |
| |
| select * from ͪߩѦ¿ë¾î where ¿ë¾î ~ 'ÄÄÇ»ÅÍ[µð±×]'; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | |
| (2 rows) |
| |
| select * from ͪߩѦ¿ë¾î where ¿ë¾î ~* 'ÄÄÇ»ÅÍ[µð±×]'; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ |
| ------------------+----------+------------ |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | |
| (2 rows) |
| |
| select *,character_length(¿ë¾î) from ͪߩѦ¿ë¾î; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ | character_length |
| ------------------+----------+------------+------------------ |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | | 8 |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | | 7 |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | | 8 |
| (3 rows) |
| |
| select *,octet_length(¿ë¾î) from ͪߩѦ¿ë¾î; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ | octet_length |
| ------------------+----------+------------+-------------- |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | | 16 |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | | 14 |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | | 16 |
| (3 rows) |
| |
| select *,position('µð' in ¿ë¾î) from ͪߩѦ¿ë¾î; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ | position |
| ------------------+----------+------------+---------- |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | | 4 |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | | 0 |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | | 0 |
| (3 rows) |
| |
| select *,substring(¿ë¾î from 3 for 4) from ͪߩѦ¿ë¾î; |
| ¿ë¾î | ÝÂ×¾ÄÚµå | ºñ°í1a¶ó±¸ | substring |
| ------------------+----------+------------+----------- |
| ÄÄÇ»Å͵ð½ºÇ÷¹ÀÌ | ѦA01ß¾ | | Å͵ð½ºÇà |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | | Åͱ׷¡ÇÈ |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | | ÅÍÇÁ·Î±× |
| (3 rows) |
| |