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日期:2024-11-11
Hi, can you check the SQL statement below considering that all fields are string. com.CommandText = "insert into Persons_info(perID, latinName, gender, dob, pob, phone, passport, curAdd, status) values('" + txtID.Text + "','" + txtLatinName.Text ......
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日期:2024-11-11
I need to be able to run an Oracle query which goes to insert a number of rows, but it also checks to see if a primary key exists and if it does, then it skips that insert. Something like: INSERT ALL IF NOT EXISTS( SELECT 1 WHERE fo.primary_key ......
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日期:2024-11-14
Another option is to left join your Results table with your exisiting competitors Table and find the new competitors by filtering the distinct records that don´t match int the join: INSERT Competitors (cName) SELECT DISTINCT cr.Name FROM CompResults cr le...
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日期:2024-11-15
Free source code and tutorials for Software developers and Architects.; Updated: 27 Feb 2011 ... so it should be: insert into tablename (code) Select '1448523' From tablename Where not exists(select * from tablename where code='1448523')...
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日期:2024-11-12
re: SQL Server: Best way to Update row if exists, Insert if not In my opinion using EXISTS the way you are, is totally flawed on highly concurrent scenarios. Assume two connections; One is sending that code at the "same time" than the other is s...
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日期:2024-11-14
If necessary, INSERT IF NOT EXISTS queries can be written in a single atomic statement, eliminating the need for a transaction, and without violating standards. In this article I’ll explain several ways to write such queries in a platform-independent way....
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日期:2024-11-12
In this SQL Tutorial I will show how to using SQL check if record exists before insert. For to purpose of this tutorial I will use SQL Server 2008 R2 but this example should work with most versions of SQL Server. The example below check if a row does not ...
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日期:2024-11-12
Find easy solutions to your MS SQL issues with Database Journal's wide array of Microsoft SQL Server articles and tutorials. ... SQL Server management, tutorials, scripts, coding, programming and tips for database administrators MS SQL Monitoring Azure SQ...