Using the DATEDIFF function to select rows
I keep seeing people using CONVERT to convert a date to a varchar in order to do comparison or search queries. I haven't seen a situation yet where DATEDIFF can't be used.
2002-08-29
1,248 reads
Scripts
Divide big delete into several small ones
Big transactions cause the Tlog to grow.When you do a clean of a large table, the delete statement can cause a very long transactionSometimes it's necessary to prevent this.So we divide one big delete into several little ones.A table with call centre data gets +/- 1-mlj records a day. Every day we run a script […]
2002-08-27
833 reads
Function to Return the Amount of Children in a Tree
Assuming we have the following table (that stores hierarchical data) :CREATE TABLE [staff] ( [employee] [int] NOT NULL , [employee_name] [varchar] (10) NULL , [supervisor] [int] NULL , PRIMARY KEY CLUSTERED ( [employee] ) ON [PRIMARY] , FOREIGN KEY ( [supervisor] ) REFERENCES [staff] ( [employee] ))I ‘ll built a […]
2002-08-23
865 reads
Check W2K Event log and send results to DBA
This is a simple Script that checks the W2K event log of choice and emails the results to the DBA. This script also uses the find command so you can search for strings in your event logs. It creats two scripts, the first script sp_EventlogSys runs xp_sendmail which executes the second procedure sp_EventlogSysquery and attaches […]
2002-08-22
845 reads
Forcibly Shrink the Transaction Log in All DBs
For lazy folks who want to use 'sp_force_shrink_log' in all dbs. This script depends on 'sp_force_shrink_log' already existing.
2002-08-20
978 reads
SP to display locking users in tree format
This SP will give a listing of users blocking and being blocked in a tree formation (similar to explorer tree list). It uses a User defined function that recurses through the locking information gathered from sysprocesses. The listing only shows the Hostname (username) and the SPID.First create the User Defined Function (Part One) then create […]
2002-08-19
2,166 reads
Compare the data of 2 Tables (Updated)
The SP compares the data in 2 tables and reports the different data. Tables could be from different servers, different databases or different schemas. This accepts 7 parameters 1, 2: Name of the 2 tables 3 : List only the differences 4. : Compare only the structure 5. : Check timestamp fields too 6. : […]
2002-08-17
1,405 reads
Constraint Generator
This script can be used for generating the sql script for the constraints available on a particular table. There is a provision to generate script if the specified field(s) are part of the constraint.While specifing the field name , delimit them with ';'. Usage is ;Use pubs-- for generating the script for the tableexec Pre_Porting […]
2002-08-16
453 reads
Script to create a standby database server(new).
New feature to relocate files on the secondary server has been added to this script. If you don't need this feature please use my other script that is posted on this website.Run this script on a secondary SQL Server to replicate the data of all the user databases from the primary server every 15 minutes. […]
2002-08-09
316 reads
Script to montior ErrorLogs every 3 hours.
This script monitors your errorlogs every 3 hours for the past 3 hours. It notifies you by email for all types of errors and by pager for all critical errors with severity type > 16. Saves lot of time when you have to monitor several servers every day 24x7. Run this script on a dedicated […]
2002-08-09
1,220 reads
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T-SQL Tuesday #202: 100 Hours
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Stored Procedures for Server-Level Object and Column Search
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Databricks Genie Spaces for SQL Analysts: Natural Language Querying Without Leaving Your Data Platform
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The Costs of Multiple Platforms
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Question of the Day
RegEx Functions II
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^d') AND BusinessEntityID IN (7,8)See possible answers