If not exists insert sql

IF NOT EXISTS (SELECT * FROM EmailsRecebidos 
                   WHERE De = @_DE
                   AND Assunto = @_ASSUNTO
                   AND Data = @_DATA)
   BEGIN
       INSERT INTO EmailsRecebidos (De, Assunto, Data)
       VALUES (@_DE, @_ASSUNTO, @_DATA)
   END

Source: stackoverflow.com

Insert if not exists sql

INSERT INTO #table1 (Id, guidd, TimeAdded, ExtraData)
SELECT Id, guidd, TimeAdded, ExtraData
FROM #table2
WHERE NOT EXISTS (Select Id, guidd From #table1 WHERE #table1.id = #table2.id)
-----------------------------------
MERGE #table1 as [Target]
USING  (select Id, guidd, TimeAdded, ExtraData from #table2) as [Source]
(id, guidd, TimeAdded, ExtraData)
    on [Target].id =[Source].id
WHEN NOT MATCHED THEN
    INSERT (id, guidd, TimeAdded, ExtraData)
    VALUES ([Source].id, [Source].guidd, [Source].TimeAdded, [Source].ExtraData);
------------------------------
INSERT INTO #table1 (id, guidd, TimeAdded, ExtraData)
SELECT id, guidd, TimeAdded, ExtraData from #table2
EXCEPT
SELECT id, guidd, TimeAdded, ExtraData from #table1
------------------------------
INSERT INTO #table1 (id, guidd, TimeAdded, ExtraData)
SELECT #table2.id, #table2.guidd, #table2.TimeAdded, #table2.ExtraData
FROM #table2
LEFT JOIN #table1 on #table1.id = #table2.id
WHERE #table1.id is null

Source: stackoverflow.com

Similar codes

0 vote289 views3 answers
Get free card roblox
SQL
0 vote295 views1 answer
Fast sql column count
SQL
4 votes314 views1 answer
Data types in sql
SQL
10 votes292 views3 answers
How to fetch first 5 characters in sql
SQL
2 votes301 views1 answer
Postgresql change value in column
SQL
0 vote315 views1 answer
Exit psql
SQL
24 votes324 views6 answers
Alter table name sql
SQL
-1 vote294 views1 answer
Mac mysql workbench console
SQL
11 votes300 views1 answer
Mysql order by two columns priority
SQL
0 vote300 views1 answer
Sql count null values in all columns
SQL