ALTER TABLE user_tbl ALTER COLUMN signup_date SET NOT NULL; # 更名栏位 ALTER TABLE user_tbl RENAME COLUMN signup_date TO signup; # 删除栏位 ALTER TABLE user_tbl DROP COLUMN email; # 表格更名 ALTER TABLE user_tbl RENAME TO backup_tbl; # 删除表格 DROP TABLE IF EXISTS backup_tbl;...
ALTER TABLE usertbl ALTER COLUMN signupdate SET NOT NULL; # 更名栏位 ALTER TABLE usertbl RENAME COLUMN signupdate TO signup; # 删除栏位 ALTER TABLE user_tbl DROP COLUMN email; # 表格更名 ALTER TABLE usertbl RENAME TO backuptbl; # 删除表格 DROP TABLE IF EXISTS backup_tbl; Python连接Postg...
ALTER TABLE user_tbl ALTER COLUMN signup_date SET NOT NULL;# 更名栏位 ALTER TABLE user_tbl RENAME COLUMN signup_date TO signup;# 删除栏位 ALTER TABLE user_tbl DROP COLUMN email;# 表格更名 ALTER TABLE user_tbl RENAME TO backup_tbl;# 删除表格 DROP TABLE IF EXISTS backup_tbl; 1. 2. ...
<10版本主要是创建scheme,检查pg_stat插件,创建postgres_exporter使用的视图,这两个视图也主要是pg_stat_statements这个插件提供的 版本>=10的pg,以下三段SQL都要执行CREATE OR REPLACE FUNCTION __tmp_create_user() returns void as $$BEGINIF NOT EXISTS (SELECT -- SELECT list can stay empty for thisFROM ...
drop table if exists data ; drop sequence if exists data_seq; create table data ( rid integer, data varchar ); create sequence data_seq start with 1; insert into data (rid, data) VALUES (1, '[''string1'',''string2'']'),
ALTER TABLE user_tbl DROP COLUMN email; # 表格更名 ALTER TABLE user_tbl RENAME TO backup_tbl; # 删除表格 DROP TABLE IF EXISTS backup_tbl; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.
DROP TABLE IF EXISTS "dbPlan"."tb_plan_next"; CREATE TABLE "dbPlan"."tb_plan_next" (LIKE "dbPlan"."tb_plan" INCLUDING ALL); INSERT INTO "dbPlan"."tb_plan_next" SELECT * FROM "dbPlan"."tb_plan"; 有没有更好的方法来实现这一点?
编辑000001_create_users_table.down.sql DROP TABLE IF EXISTS users; 3.2.4 应用某次数据库修改 migrate 的 up 子命令用来应用某一次数据库变更, down 子命令用来回滚数据库变更操作。 比如up [N], N 表示执行多少个数据库变更任务,那具体是执行 ./migrations 下面的哪些 sql 脚本呢?
DROP TABLE IF EXISTS cars; CREATE TABLE cars(id SERIAL PRIMARY KEY, name VARCHAR(255), price INT); INSERT INTO cars(name, price) VALUES('Audi', 52642); INSERT INTO cars(name, price) VALUES('Mercedes', 57127); INSERT INTO cars(name, price) VALUES('Skoda', 9000); ...
CREATE PUBLICATION airbyte_publication FOR TABLE <tbl1, tbl2, tbl3>;` The publication name is customizable. Refer to the Postgres docs if you need to add or remove tables from your publication in the future.note The Airbyte UI currently allows selecting any tables for CDC. If a table is ...