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Content with tag Advanced Querying Rss

   Items 1 to 20 of 221    Older >>
 

Identify Unique Columns

Tool to automatically query combinations of columns in your table to determine candidate for unique key.  Read more...
By Jesse McLain 2012/08/21 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,789 reads

A Sudoku solution with set based T-SQL utilizing binary operators

A Sudoku solution with set based T-SQL approach utilizing binary values and operators, to ease the algorithm.  Read more...
By Kevin Duan 2011/12/21 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 3,491 reads

EXECute SQL Commands over entire sets of parameters!

A super-powered EXEC on steroids, the Power Tool every DBA wants for Christmas.  Read more...
By RBarry Young 2010/03/16 | Source: SQLServerCentral.com | Category: administration
Rating: |  Discuss |   Briefcase | 2,734 reads

Prime Number Table Generator (new ver crunches to 1 Mil in <10.5 sec!)

Generates prime numbers and puts them into a table for future reference by adhoc queries and database and application code. 100% set-based. DDL embedded.  Read more...
By Jesse Roberge 2009/07/15 | Source: SQLServerCentral.com | Category: advanced querying
Rating: |  Discuss |   Briefcase | 1,210 reads

Comparing Stored Procedures, Part 6

Sixth in a series of scripts demonstrating a quantitative comparison between the text of two stored procedures  Read more...
By Jesse McLain 2009/04/15 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,341 reads

Hidden RBAR: Triangular Joins

Just because it looks set based, doesn't mean it is. T-SQL Crackerjack Jeff Moden takes a look at a mistake that many query writers make.  Read more...
By Jeff Moden 2009/01/16 (first published: 2007/12/06) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 50,932 reads

Delimited String Parsing Functions - TwoCol set

Feed it two delimited strings of horizontal data and it returns it back as a vertical table with the two column data in the same synchronized position order.  Read more...
By Jesse Roberge 2008/11/03 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 2,135 reads

Delimited String Parsing Functions - Big2D set

Feed it large strings of double-delimited horizontal data and it returns it back as a non-pivoted vertical table with a 2-diemensional star schema.  Read more...
By Jesse Roberge 2008/10/22 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,077 reads

Delimited String Parsing Functions - Basic Set

Feed it delimited horizontal data and it returns it back as a vertical table.  Read more...
By Jesse Roberge 2008/10/20 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 2,591 reads

Delimited String Parsing Functions - 2D set

Feed it double-delimited horizontal data and it returns it back as a non-pivoted vertical table with a 2-diemensional star schema.  Read more...
By Jesse Roberge 2008/10/14 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,004 reads

Hidden RBAR: Triangular Joins

Just because it looks set based, doesn't mean it is. T-SQL Crackerjack Jeff Moden takes a look at a mistake that many query writers make.  Read more...
By Jeff Moden 2009/01/16 (first published: 2007/12/06) | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 50,932 reads

Delimited String Parsing Functions - Big Set

Feed it large strings of delimited horizontal data and it returns it back as a vertical table.  Read more...
By Jesse Roberge 2008/08/05 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,276 reads

Counter Table (table of numbers) Setter-Upper for SQL Server 2005

Sets up 3 'table of numbers' that completely fill a 1, 2, and 3-level clustered index respectivly with 622, 386884, and 240641848 numbers.  Read more...
By Jesse Roberge 2008/08/05 | Source: SQLServerCentral.com | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 878 reads

Counter Table (table of numbers) Setter-Upper for SQL Server 2000

Sets up 3 'table of numbers' that completely fill a 1, 2, and 3-level clustered index respectivly with 620, 384400, and 238328000 numbers.  Read more...
By Jesse Roberge 2008/08/05 | Source: SQLServerCentral.com | Category: t-sql
Rating: (not yet rated) |  Discuss |   Briefcase | 456 reads

A Sudoku solution with set based T-SQL utilizing binary operators

A Sudoku solution with set based T-SQL approach utilizing binary values and operators, to ease the algorithm.  Read more...
By Kevin Duan 2011/12/21 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 3,491 reads

Everybody Reports to Somebody

One of the very common questions posted about T-SQL is how to traverse a hierarchy in a set based manner. New author Craig Hatley brings us his techniques for handling the common scenario of employees and managers.   Read more...
By Craig Hatley 2007/06/04 | Source: SQLServerCentral.com | Category: advanced querying
Rating: |  Discuss |   Briefcase | 5,679 reads

Converting Hexadecimal String Values to Alpha (ASCII) Strings

In an interesting exercise in data conversion, Stephen Lasham brings us a nice article on basic manipulations.   Read more...
By Stephen Lasham 2007/05/17 | Source: SQLServerCentral.com | Category: advanced querying
Rating: |  Discuss |   Briefcase | 10,883 reads

Identify Unique Columns

Tool to automatically query combinations of columns in your table to determine candidate for unique key.  Read more...
By Jesse McLain 2012/08/21 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 1,789 reads

CASE function in SQL Server – part II

Part I of this series illustrated how to use simple case functions in queries. This installment discusses how to use case functions in different types of scenarios.  Read more...
By Additional Articles 2007/04/12 | Source: Database Journal | Category: advanced querying
Rating:  Rate this |   Briefcase | 9,414 reads

Gotcha! SQL Aggregate Functions and NULL

Working with NULL functions can be tricky in T-SQL and SQL Server 2000. If you add in aggregates, you need to be sure you understand what the behavior will be or you might report incorrect values to a user. Michael Coles has written a new article that talks about how NULL affects your results.   Read more...
By Michael Coles 2008/04/04 (first published: 2005/07/05) | Source: SQLServerCentral.com | Category: advanced querying
Rating: |  Discuss |   Briefcase | 86,656 reads
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