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PostgreSQL ¤Î¥Ç¡¼¥¿¥Ú¡¼¥¸¥µ¥¤¥º¤Ï 8192¥Ð¥¤¥È(8KB)¤Ê¤Î¤Ç:
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+ VARCHAR(n) varchar ºÇÂçĹ¤Î¥µ¥¤¥º¤ò»ØÄꤹ¤ë¡¢µÍ¤áʪ̵¤·
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- CREATE TABLE person (
- id SERIAL,
- name TEXT
+ CREATE TABLE person (
+ id SERIAL,
+ name TEXT
);
¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹:
CREATE SEQUENCE person_id_seq;
- CREATE TABLE person (
+ CREATE TABLE person (
id INT4 NOT NULL DEFAULT nextval('person_id_seq'),
name TEXT
);
PostgreSQL¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¥í¥¦¤Ï¡¢WITHOUT OIDS ¤Ç¤Ä¤¯¤é¤ì¤Ê¤¤¤«¤®¤ê°ì°Õ¤Î
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+
+The most common cause is the use of double-quotes around table or + column
+names during table creation. When double-quotes are used, + table and column
+names (called identifiers) are stored case-sensitive, meaning you must use +
+double-quotes when referencing the names in a query. Some interfaces, + like
+pgAdmin, automatically double-quote identifiers during table + creation. So,
+for identifiers to be recognized, you must either: ¤â¤Ã¤È¤â°ìÈÌŪ¤Ê¸¶°ø¤Ï¡¢¥Æ¡¼
+¥Ö¥ë¤òºîÀ®¤¹¤ëºÝ¤Ë¡¢¥Æ¡¼¥Ö¥ë¤ä¥«¥é¥à¤ò°Ï¤¦Æó½Å°úÍÑÉä¤Î»ÈÍѤǤ¹¡£Æó½Å°úÍÑÉä¤ò»È
+¤¦¤È¡¢¥Æ¡¼¥Ö¥ë¤È¥«¥é¥à¤Î̾Á°¡Ê¼±Ê̻ҤȸƤӤޤ¹¡Ë¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤Î¶èÊ̤ò¤·¤Æ³Ê
+Ǽ¤µ¤ì¤¹¡£¤·¤¿¤¬¤Ã¤Æ¡¢pgAdmin¤Î¤è¤¦¤Ë¥Æ¡¼¥Ö¥ëºîÀ®¤Î¤È¤¤Ë¼«Æ°Åª¤ËÆó½Å°úÍÑÉä¤ò»È
+¤¦¤â¤Î¤Ï¥¯¥¨¥ê¤ÎÃæ¤Ç¤½¤ì¤é¤Î̾Á°¤ò»È¤¦¤È¤¤ËÆó½Å°úÍÑÉä¤òÉÕ¤±¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤³
+¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£¤³¤Î¤¿¤á¡¢¼±Ê̻Ҥòǧ¼±¤µ¤»¤ë¤¿¤á¤Ë¤Ï°Ê²¼¤Î¤¤¤º¤ì¤«¤ò¿´¤¬¤±¤Þ¤¹
+¡£
+
+ ¡¦ ¥Æ¡¼¥Ö¥ë¤òºîÀ®¤¹¤ë¤È¤¤ËÆó½Å°úÍÑÉä¤Ç¼±Ê̻Ҥò°Ï¤¦¤³¤È¤òÈò¤±¤ë
+ ¡¦ Use only lowercase characters in identifiers
+ ¡¦ ¼±Ê̻ҤˤϾ®Ê¸»ú¤À¤±¤ò»È¤¦
+ ¡¦ ¥¯¥¨¥ê¤ÎÃæ¤Ç»²¾È¤¹¤ë¤È¤¤ÏÆó½Å°úÍÑÉè¤Ç¼±Ê̻Ҥò°Ï¤¦
+
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projects / postgresql.git / commitdiff