Miscellaneous

Technical Article

faster dbo.ufn_vbintohexstr - varbinary to hex

  • Script

Here's an alternative to Clinton Herring's ufn_vbintohexstr which should be much faster with large varbinary values. First, in his original version, the inner-loop CASE statements can be replaced with this: select @value = @value + CHAR(@vbin/16+48+(@vbin+96)/256*7) +CHAR(@vbin&15+48+((@vbin&15)+6)/16*7) How does it work? By adding 6 to a hex-digit in (@vbin&15), you have a value from 16 […]

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2006-12-20 (first published: )

136 reads

Technical Article

HexToInt

  • Script

Challenged by Hans Lindgren's stored procedures of the same name, I created this. Note that it produces strange results on non-hexadecimal strings, overflows at 0x80000000, and could have issues with byte-ordering on some architectures.How does it work? Well, the distance between one after '9' (':') and 'A' is 7 in ASCII. Also, if I subtract […]

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2006-12-15 (first published: )

229 reads

Technical Article

HexToSmallInt

  • Script

Hans asked if it could be faster. This is about 10% faster; not much. His is admittedly more readable, and mine will act very strangely with invalid hex digits.How does it work? I'm converting the string '1234' to the value 0x31323334 (for example), then subtracting '0000' so that it is 0-based in each byte (CONVERT(INT,0x30303030) […]

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2005-05-16 (first published: )

157 reads

Technical Article

SQL Blocking and Blocked Proc + Notifi - Part2

  • Script

Based on the script by Paul Delmarche ( http://www.sqlservercentral.com/scripts/contributions/1482.asp ).Updated to now include the spid, username, blocked and blocking SQL statements in the email (still logged to table).Schedule the procedure to run at defined intervals (I use 2 minutes)

(1)

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2005-05-12 (first published: )

1,445 reads

Technical Article

usp_get_all_stats_date

  • Script

This script gathers stats_date and index information for all of the current database. Please feel free to modify it as it is made up of components that are available on this site here- http://www.sqlservercentral.com/scripts/contributions/97.aspand a BOL entry for stats_date.I needed this information and thought I would share it.

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2006-07-17 (first published: )

567 reads

SQLServerCentral Article

Selecting a Web Host for your SQL Server Driven Website Part 2

  • Article

Many of us have SQL Servers at work that we learn on, test with work, etc. But getting your own SQL Server for a website can be a tricky thing. Especially on a budget. Or maybe your company wants to have their website hosted. Before you spend any hard earned money, read part 2 of this two part series by Jon Reade on what to look for when setting up a SQL Server hosting company.

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2005-04-20

5,384 reads

Technical Article

User-Defined string Functions Transact-SQL

  • Script

GETWORDCOUNT, GETWORDNUM, AT, RAT, OCCURS,CHRTRAN, STRFILTER, PADC, PADR, PADL, PROPER, RCHARINDEX etc. AT, PADL, PADR, CHRTRAN, PROPER are similar to functions Oracle PL/SQL INSTR, LPAD, RPAD, TRANSLATE, INITCAP. In my humble opinion, it will be convinient to apply such functions for writing of stored procedures and User-Defined Functions on Transact-SQL. Please, download the file http://www.universalthread.com/wconnect/wc.dll?LevelExtreme~2,2,27115

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2006-01-10 (first published: )

1,585 reads

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Stairway to Reliable Database Deployments Level 6 – Managing Changesets Over Time

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A Limited Startup

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Question of the Day

A Limited Startup

I add this parameter to SQL Server 2025 in the Configuration Manager:

-mDynamics
What does this do?

See possible answers