在查询分析器中使用drop trigger 触发器名称来删除触发器。 也可以同时删除多个触发器:drop trigger 触发器名称,触发器名称...注意:触发器名称是不加引号的。在删除触发器之前可以先看一下触发器是否存在: if Exists(select name from sysobjects where name=触发器名称 and xtype='TR') 用企业管理器删除 在企业...
CREATETRIGGERtrigger_name{BEFORE|AFTER|INSTEADOF}{event[OR...]}ONtable_name[FOR[EACH]{ROW|STATEMENT}][WHEN(condition)]EXECUTEFUNCTIONtrigger_function; 其中,event 可以是 INSERT、UPDATE、DELETE 或者 TRUNCATE,UPDATE 支持特定字段(UPDATE OF col1, clo2)的更新操作;触发器可以在事件之前(BEFORE)或者之后(A...
mydb=# \dt gxl.*Did not find any relation named"gxl.*"# 如果模式中没有表就会返回这个提示# 创建表mydb=# create table gxl.test2(id int,name varchar(32), age int);CREATE TABLE# 查看表mydb=# \dt gxl.*List of relations Schema | Name | Type | Owner ---+---+---+--- gxl | ...
也可以做一些stmt或datums变量的调整、修改,影响执行过程。...postgres=# load 'plpgsql_callback'; LOAD postgres=# DO LANGUAGE plpgsql $$ DECLARE cnt int; BEGIN...NOTICE: statement [ statement block] end - [ln: 4] NOTICE: function end: "inline_code_block" DO postgres...=# 3 源码 plpgsql...
alter table user add index idx_union(id, name) MySQL开启事务的sql块的写法 DELIMITER $$ use test$$ drop procedure if exists test.t1$$ use `test` $$ create procedure test.t1() begin drop table if exists t1; create table test.t1 (c1 int) ENGINE = InnoDB; -- set autocommit=0; 这里...
drop table if exists authorization_code; create table if not exists authorization_code( id int generated always as identity, created_at timestamptz not null ); drop function if exists remove_expired(); create function remove_expired()
CREATE EXTENSION IF NOT EXISTS pg_stat_statements;CREATE OR REPLACE FUNCTION get_pg_stat_statements() RETURNS SETOF pg_stat_statements AS$$ SELECT * FROM public.pg_stat_statements; $$LANGUAGE sqlVOLATILESECURITY DEFINER;CREATE OR REPLACE VIEW postgres_exporter.pg_stat_statementsASSELECT * FROM ...
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 ...
local luasql = require("luasql.odbc") -- 导入luasql-odbc模块 -- 创建ODBC连接对象 local env = assert(luasql.odbc()) local con = assert(env:connect('pg', 'test_gs', '')) assert (con:execute"drop table if exists players") assert (con:execute[[ CREATE TABLE players( name varchar(...
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); ...