| drop table ·×»»µ¡ÍѸì; |
| ERROR: table "·×»»µ¡ÍѸì" does not exist |
| 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; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| ----------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | |
| (3 rows) |
| |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É = '¿ÍZ01²¼'; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| --------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | |
| (1 row) |
| |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É ~* '¿Íz01²¼'; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| --------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | |
| (1 row) |
| |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É like '_Z01_'; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| --------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | |
| (1 row) |
| |
| select * from ·×»»µ¡ÍѸì where ʬÎॳ¡¼¥É like '_Z%'; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| --------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | |
| (1 row) |
| |
| select * from ·×»»µ¡ÍѸì where ÍѸì ~ '¥³¥ó¥Ô¥å¡¼¥¿[¥Ç¥°]'; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| ----------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | |
| (2 rows) |
| |
| select * from ·×»»µ¡ÍѸì where ÍѸì ~* '¥³¥ó¥Ô¥å¡¼¥¿[¥Ç¥°]'; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è |
| ----------------------------+------------+------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | |
| (2 rows) |
| |
| select *,character_length(ÍѸì) from ·×»»µ¡ÍѸì; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è | character_length |
| ----------------------------+------------+------------+------------------ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | | 12 |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | | 13 |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | | 12 |
| (3 rows) |
| |
| select *,octet_length(ÍѸì) from ·×»»µ¡ÍѸì; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è | octet_length |
| ----------------------------+------------+------------+-------------- |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | | 36 |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | | 39 |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | | 36 |
| (3 rows) |
| |
| select *,position('¥Ç' in ÍѸì) from ·×»»µ¡ÍѸì; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è | position |
| ----------------------------+------------+------------+---------- |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | | 7 |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | | 0 |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | | 0 |
| (3 rows) |
| |
| select *,substring(ÍѸì from 10 for 4) from ·×»»µ¡ÍѸì; |
| ÍѸì | ʬÎॳ¡¼¥É | È÷¹Í1a¤À¤è | substring |
| ----------------------------+------------+------------+----------- |
| ¥³¥ó¥Ô¥å¡¼¥¿¥Ç¥£¥¹¥×¥ì¥¤ | µ¡A01¾å | | ¥×¥ì¥¤ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥°¥é¥Õ¥£¥Ã¥¯¥¹ | ʬB10Ãæ | | ¥£¥Ã¥¯¥¹ |
| ¥³¥ó¥Ô¥å¡¼¥¿¥×¥í¥°¥é¥Þ¡¼ | ¿ÍZ01²¼ | | ¥é¥Þ¡¼ |
| (3 rows) |
| |
| drop table ¼ÆËã»úÊõÓï; |
| ERROR: table "¼ÆËã»úÊõÓï" does not exist |
| create table ¼ÆËã»úÊõÓï(ÊõÓï text, ·ÖÀàºÅ varchar, ±¸×¢1A char(16)); |
| create index ¼ÆËã»úÊõÓïindex1 on ¼ÆËã»úÊõÓï using btree(ÊõÓï); |
| create index ¼ÆËã»úÊõÓïindex2 on ¼ÆËã»úÊõÓï using btree(·ÖÀàºÅ); |
| insert into ¼ÆËã»úÊõÓï values('µçÄÔÏÔʾÆÁ','»úA01ÉÏ'); |
| insert into ¼ÆËã»úÊõÓï values('µçÄÔͼÐÎ','·ÖB01ÖÐ'); |
| insert into ¼ÆËã»úÊõÓï values('µçÄÔ³ÌÐòÔ±','ÈËZ01ÏÂ'); |
| vacuum ¼ÆËã»úÊõÓï; |
| select * from ¼ÆËã»úÊõÓï; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | |
| (3 rows) |
| |
| select * from ¼ÆËã»úÊõÓï where ·ÖÀàºÅ = 'ÈËZ01ÏÂ'; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | |
| (1 row) |
| |
| select * from ¼ÆËã»úÊõÓï where ·ÖÀàºÅ ~* 'ÈËz01ÏÂ'; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | |
| (1 row) |
| |
| select * from ¼ÆËã»úÊõÓï where ·ÖÀàºÅ like '_Z01_'; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | |
| (1 row) |
| |
| select * from ¼ÆËã»úÊõÓï where ·ÖÀàºÅ like '_Z%'; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | |
| (1 row) |
| |
| select * from ¼ÆËã»úÊõÓï where ÊõÓï ~ 'µçÄÔ[ÏÔͼ]'; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | |
| (2 rows) |
| |
| select * from ¼ÆËã»úÊõÓï where ÊõÓï ~* 'µçÄÔ[ÏÔͼ]'; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a |
| ------------+---------+-------- |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | |
| (2 rows) |
| |
| select *,character_length(ÊõÓï) from ¼ÆËã»úÊõÓï; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a | character_length |
| ------------+---------+--------+------------------ |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | | 5 |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | | 4 |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | | 5 |
| (3 rows) |
| |
| select *,octet_length(ÊõÓï) from ¼ÆËã»úÊõÓï; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a | octet_length |
| ------------+---------+--------+-------------- |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | | 15 |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | | 12 |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | | 15 |
| (3 rows) |
| |
| select *,position('ÏÔ' in ÊõÓï) from ¼ÆËã»úÊõÓï; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a | position |
| ------------+---------+--------+---------- |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | | 3 |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | | 0 |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | | 0 |
| (3 rows) |
| |
| select *,substring(ÊõÓï from 3 for 4) from ¼ÆËã»úÊõÓï; |
| ÊõÓï | ·ÖÀàºÅ | ±¸×¢1a | substring |
| ------------+---------+--------+----------- |
| µçÄÔÏÔʾÆÁ | »úA01ÉÏ | | ÏÔʾÆÁ |
| µçÄÔͼÐÎ | ·ÖB01ÖÐ | | ͼÐÎ |
| µçÄÔ³ÌÐòÔ± | ÈËZ01Ï | | ³ÌÐòÔ± |
| (3 rows) |
| |
| 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)); |
| 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 | | 24 |
| ÄÄÇ»Åͱ׷¡ÇȽº | ÝÂB10ñé | | 21 |
| ÄÄÇ»ÅÍÇÁ·Î±×·¡¸Ó | ìÑZ01ù» | | 24 |
| (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) |
| |
| drop table test; |
| ERROR: table "test" does not exist |
| create table test (t text); |
| insert into test values('ENGLISH'); |
| insert into test values('FRANÇAIS'); |
| insert into test values('ESPAÑOL'); |
| insert into test values('ÍSLENSKA'); |
| insert into test values('ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA'); |
| vacuum test; |
| select * from test; |
| t |
| ----------------------------------- |
| ENGLISH |
| FRANÇAIS |
| ESPAÑOL |
| ÍSLENSKA |
| ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA |
| (5 rows) |
| |
| select * from test where t = 'ESPAÑOL'; |
| t |
| --------- |
| ESPAÑOL |
| (1 row) |
| |
| select * from test where t ~* 'espaÑol'; |
| t |
| ----------------------------------- |
| ESPAÑOL |
| ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA |
| (2 rows) |
| |
| select *,character_length(t) from test; |
| t | character_length |
| -----------------------------------+------------------ |
| ENGLISH | 7 |
| FRANÇAIS | 8 |
| ESPAÑOL | 7 |
| ÍSLENSKA | 8 |
| ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA | 33 |
| (5 rows) |
| |
| select *,octet_length(t) from test; |
| t | octet_length |
| -----------------------------------+-------------- |
| ENGLISH | 7 |
| FRANÇAIS | 9 |
| ESPAÑOL | 8 |
| ÍSLENSKA | 9 |
| ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA | 36 |
| (5 rows) |
| |
| select *,position('L' in t) from test; |
| t | position |
| -----------------------------------+---------- |
| ENGLISH | 4 |
| FRANÇAIS | 0 |
| ESPAÑOL | 7 |
| ÍSLENSKA | 3 |
| ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA | 4 |
| (5 rows) |
| |
| select *,substring(t from 3 for 4) from test; |
| t | substring |
| -----------------------------------+----------- |
| ENGLISH | GLIS |
| FRANÇAIS | ANÇA |
| ESPAÑOL | PAÑO |
| ÍSLENSKA | LENS |
| ENGLISH FRANÇAIS ESPAÑOL ÍSLENSKA | GLIS |
| (5 rows) |
| |