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  1. SQL asterisk(*) all possible uses - Stack Overflow

    Apr 13, 2020 · It is used in sql-server for xml. In the code below, aliasing the subquery as ' [*]' means that COLUMN_NAME and DATA_TYPE xml nodes output on the same level as …

  2. Should I use != or <> for not equal in T-SQL? - Stack Overflow

    Yes; Microsoft themselves recommend using <> over != specifically for ANSI compliance, e.g. in Microsoft Press training kit for 70-461 exam, "Querying Microsoft SQL Server", they say "As …

  3. What does the "@" symbol do in SQL? - Stack Overflow

    The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using parameters, rather than …

  4. 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 …

  5. 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 …

  6. How do I perform an IF...THEN in an SQL SELECT?

    Sep 15, 2008 · 2059 The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.

  7. SQL to find the number of distinct values in a column

    SQL to find the number of distinct values in a column Asked 17 years, 1 month ago Modified 2 years, 7 months ago Viewed 825k times

  8. How to set variable from a SQL query? - Stack Overflow

    I'm trying to set a variable from a SQL query: declare @ModelID uniqueidentifer Select @ModelID = select modelid from models where areaid = 'South Coast' Obviously I'm not doing this right …

  9. sql - Find all tables containing column with specified name - Stack ...

    @Revious INFORMATION_SCHEMA views included in SQL Server comply with the ISO standard definition for the INFORMATION_SCHEMA., sys.columns, sys.tables is Microsoft Sql Server …

  10. SQL Server® 2016, 2017, 2019 and 2022 Express full download

    Jan 25, 2017 · All previous version of SQL Server Express were available in both web and full downloads. But I cannot find full download of SQL Server® 2016 Express. Does it exist? …