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
821 reads
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
832 reads
This article shows you how to design the storage for email addresses, how to validate email addresses, how to retrieve demographic information from email addresses efficiently, using computed columns and indexes. It also covers the security aspect of dealing with email addresses.
2002-08-01
1,340 reads
2002-07-19
571 reads
a Basic example of how to manipulate an IDENTITY COLUMN AN HOW TO STOP the automatic counting using SET IDETNTITY_INSERT
2002-07-18
699 reads
procedure is an extended xp called xp_getNetName to get the computer network identifcation name
2002-07-18
766 reads
THERE is an extended sp called xp_fileexists given a full path to a file Name information is a 3 Bit vector 0/1 if a file doesn't/does exist0/1 is given name is a directory0/1 if the parent directory exists
2002-07-18
1,077 reads
this procedure gets a tableName,X axis column, Y axis column and a Value and draw a Pivot table from the Original Table Script also include an How to Use section
2002-07-15
1,347 reads
This SELECT will give you a summarized report for the options selected for ALL the databases on your SQL Server. It's compatible with versions 7 and 2000.
2002-07-11
648 reads
Alternate method for generating a rowset with all of the numbers in a specified range.
2002-07-11
415 reads
Low-code solutions often accelerate development and make tasks accessible to people who can’t or...
By Steve Jones
Often we find out about a problem reported by a customer after the incident...
Let’s face it, most of the time, you probably don’t want your SQL Server...
We've got upwards of 40 SSIS solutions all stored in one GIT repository in...
Comments posted to this topic are about the item Improving the Performance of UPDATE...
Comments posted to this topic are about the item Replacing a Null
What is returned from this code in SQL Server 2022?
DECLARE @value INT = NULL; SELECT ISNULL(@value, 100.5) AS Result;See possible answers