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labs:postgresql [2016/06/13 17:23] – [Creating User] admin | labs:postgresql [2017/07/25 16:22] (current) – [Update Statements] admin | ||
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+ | To update a table with a value in another table: | ||
+ | | ||
+ | update table2 set t2field = t1.field from table1 t1 where table2.keyfield2 = t1.keyfield1; | ||
===== Creating Database ===== | ===== Creating Database ===== | ||
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===== Creating Tables ===== | ===== Creating Tables ===== | ||
- | ==== Creating Sequences ==== | + | |
+ | Example: | ||
+ | |||
+ | CREATE TABLE table_name ( | ||
+ | id integer NOT NULL default nextval(' | ||
+ | eagle_id char(9), | ||
+ | floor_to_graffito_height varchar(30), | ||
+ | description text, | ||
+ | comment text, | ||
+ | translation text, | ||
+ | FOREIGN KEY ( eagle_id ) REFERENCES EAGLE_inscriptions(id), | ||
+ | PRIMARY KEY (id) | ||
+ | ); | ||
+ | ===== Creating Sequences | ||
| | ||
- | ==== Viewing Table Information ==== | + | ===== Viewing Table Information |
You may want to look at a table' | You may want to look at a table' |