sql if not exists insert else update
Create a UNIQUE constraint on your subs_email column, if one does not already exist: ALTER TABLE subs ADD UNIQUE (subs_email). Use INSERT ... ON DUPLICATE KEY UPDATE : INSERT INTO subs (subs_name, subs_email, subs_birthday) VALUES (?, ?, ?) ON DUPLICATE K, begin tran if exists (select * from table with (updlock,serializable) where key = @key) begin update table set ... where key = @key end else begin insert into table (key, ...) values (@key, . ..... You can use MERGE Statement, This statement is used to i
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 sql if not exists insert else update 相關參考資料
mysql - IF NOT EXISTS INSERT, ELSE UPDATE -- not working for ...
Exist what? user_id? item_id? or both user_id, item_id ? add a UNIQUE constraint on column user_id,item_id and it will work, ALTER TABLE user_items ADD CONSTRAINT tb_uq UNIQUE (user_id, item_id). that... https://stackoverflow.com mysql - SQL - IF EXISTS UPDATE ELSE INSERT INTO - Stack Overflow
Create a UNIQUE constraint on your subs_email column, if one does not already exist: ALTER TABLE subs ADD UNIQUE (subs_email). Use INSERT ... ON DUPLICATE KEY UPDATE : INSERT INTO subs (subs_name, sub... https://stackoverflow.com Solutions for INSERT OR UPDATE on SQL Server - Stack Overflow
begin tran if exists (select * from table with (updlock,serializable) where key = @key) begin update table set ... where key = @key end else begin insert into table (key, ...) values (@key, . ..... Y... https://stackoverflow.com SQL IF EXISTS update else insert @ 風箏:: 痞客邦::
UPDATE Table1 SET (...) WHERE Column1='SomeValue' IF @@ROWCOUNT=0. INSERT INTO Table1 VALUES (...) 創作者介紹. 風箏. 風箏. 風箏發表在痞客邦 留言(1) 人氣(). E-mail轉寄. 全站分類：數位生活; 個人分類：ANSI SQL; 此分類下一篇： SQL Join 別忘了... http://lernju.pixnet.net sql server - How to insert or update using single query ...
IF EXISTS(select * from test where id=30122) update test set name='john' where id=3012 ELSE insert into test(name) values('john');. Other approach for better ... CREATE TABLE dbo.Test... https://dba.stackexchange.com sql server - SQL IF NOT EXISTS INSERT Else Update, based on column ...
Your insert syntax is wrong. It should be something like this: using (SqlCommand cmd = new SqlCommand("IF NOT EXISTS(SELECT 1from Distributor WHERE fpt_num = @FTP_num)" + " insert into ... https://stackoverflow.com SQL Server 2008 - IF NOT EXISTS INSERT ELSE UPDATE - Stack ...
At first glance your original attempt seems pretty close. I'm assuming that clockDate is a DateTime fields so try this: IF (NOT EXISTS(SELECT * FROM Clock WHERE cast(clockDate as date) = '08/... https://stackoverflow.com SQL Server 2008 - IF NOT EXISTS INSERT ELSE UPDATE - Stack Overflow
At first glance your original attempt seems pretty close. I'm assuming that clockDate is a DateTime fields so try this: IF (NOT EXISTS(SELECT * FROM Clock WHERE cast(clockDate as date) = '08/... https://stackoverflow.com SQL: If Exists Update Else Insert – Jeremiah Clark's Blog
This is a pretty common situation that comes up when performing database operations. A stored procedure is called and the data needs to be updated if it already exists and inserted if it does not. If... https://blogs.msdn.microsoft.c UPDATE if exists else INSERT in SQL Server 2008 - Stack Overflow
(In both cases, if no rows are found from the initial read, an insert occurs.) Others will suggest this way: BEGIN TRY INSERT ... END TRY BEGIN CATCH IF ERROR_NUMBER() = 2627 UPDATE ... END CATCH. Ho... https://stackoverflow.com |