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  1. sql - NOT IN vs NOT EXISTS - Stack Overflow

    Which of these queries is the faster? NOT EXISTS: SELECT ProductID, ProductName FROM Northwind..Products p WHERE NOT EXISTS ( SELECT 1 FROM Northwind..[Order Details] …

  2. SQL: IF clause within WHERE clause - Stack Overflow

    Sep 18, 2008 · Is it possible to use an IF clause within a WHERE clause in MS SQL? Example: WHERE IF IsNumeric(@OrderNumber) = 1 OrderNumber = @OrderNumber ELSE …

  3. SQL WITH clause example - Stack Overflow

    Sep 23, 2012 · 353 The SQL WITH clause was introduced by Oracle in the Oracle 9i release 2 database. The SQL WITH clause allows you to give a sub-query block a name (a process also …

  4. sql - Incorrect syntax near '' - Stack Overflow

    SELECT TOP 1000 * FROM master.sys.procedures as procs left join master.sys.parameters as params on procs.object_id = params.object_id This seems totally correct, but I keep getting …

  5. Combining "LIKE" and "IN" for SQL Server - Stack Overflow

    Is it possible to combine LIKE and IN in a SQL Server-Query? So, that this query

  6. sql - How do I split a delimited string so I can access individual ...

    Nov 2, 2015 · Using SQL Server, how do I split a string so I can access item x? Take a string "Hello John Smith". How can I split the string by space and access the item at index 1 which …

  7. sql server - Database stuck in "Restoring" state - Stack Overflow

    Ran into a similar issue while restoring the database using SQL server management studio and it got stuck into restoring mode. After several hours of issue tracking, the following query worked …

  8. How to calculate percentage with a SQL statement

    Due to precedence of SQL statements it will be the same. however, due to data types if using 100 you can still get the result rounded to 0 decimals you desire for the % where as if you put it …

  9. sql - DISTINCT for only one column - Stack Overflow

    Feb 19, 2017 · SELECT ID, Email, ProductName, ProductModel FROM Products How can I modify it so that it returns no duplicate Emails? In other words, when several rows contain the …

  10. Finding and deleting duplicate values in a SQL table

    Jul 28, 2019 · It uses a common table expression (CTE) and a partition window (I think these features are in SQL 2008 and later). This example finds all students with duplicate name and …