sql if not exists insert else update
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) = '08/10/2012') AND userName = 'test') BEGIN INSE, 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) = '08/10/2012') AND userName = 'test') BEGIN INSE, (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. However, this is problematic if for no other reason than ,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,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 FTP_Info (IP, Port, UN, PW, Folder, FTP_num) VALUES(@IP, 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,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 is if you want to have unique compound column user_id,, 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 we refer to the Books Online documentation, it gives e, 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 ( id integer NOT NULL, name varchar(30) NULL, CONSTRAI, 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; 上一篇： PHP Encryption Sample; 下一篇： SQL ...
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 sql if not exists insert else update 相關參考資料
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 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 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 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 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 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 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 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 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 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 |