Optimizing Substring Search Performance in SQL Server
The requirement of searching data by part of the value is very common in business applications. All of us are familiar with it – users want to be able to search by entering just a few letters from the...
View ArticleSQL Azure troubleshooting, some #Ideas and scenar#iOS.
Demo T-SQL Script queries: SELECT TOP 5 query_stats.query_hash AS "Query Hash", SUM(query_stats.total_worker_time) / SUM(query_stats.execution_count) AS "Avg CPU Time", MIN(query_stats.statement_text)...
View ArticleT-SQL Substring: Splicing a String from Another String
Transact-SQL or T-SQL is a way to run SQL statements on your database tables. SQL Server offers several string functions, which you should know to properly manipulate and work with your data. The...
View ArticleChange a Substring with SQL
However, my SQL command gives me an invalid token error at the opening parenthesis of SUBSTR in the SET statement. Is there a rule that you can’t use SUBSTR in a SET statement? If so, do you have a...
View ArticleAutomatically Generate Performance Counter Graphs with SQL Server 2016 and R
We will assume SQL Server R services (in-database ... The correct data fetch script is as follows: USE TestDB GO select [Time]=convert(datetime, substring(d.CounterDateTime,1,23)) ,...
View ArticleSQL Azure troubleshooting, some #Ideas and scenar#iOS.
Demo T-SQL Script queries: SELECT TOP 5 query_stats.query_hash AS "Query Hash", SUM(query_stats.total_worker_time) / SUM(query_stats.execution_count) AS "Avg CPU Time", MIN(query_stats.statement_text)...
View ArticleTip: Use SUBSTR to Remove the Last Character from any String in Oracle SQL
Let's say you have a set of string values (such as values in a column) and you want to remove the last character. But, the string values are all different lengths. How can you do that? Use a...
View ArticleT-SQL Substring: Splicing a String from Another String
Transact-SQL or T-SQL is a way to run SQL statements on your database tables. SQL Server offers several string functions, which you should know to properly manipulate and work with your data. The...
View ArticleSQL Server Substring with CharIndex
In this article we are going to explore the T-SQL function CharIndex and also how to use it with another T-SQL function Substring(). CharIndex: This function returns the location of a substring in a...
View ArticleSQL SUBSTRING Function
The SQL SUBSTRING function is one of the SQL String Function, which is used to return specified number of characters from the given expression. The SUBSTRING function uses its third argument to decide,...
View ArticleSSRS Audit: All reports executed/not-executed during previous 30 days
By default, SQL Server only stores 30 days of data in the ... t1.ReportID = t2.ItemID AND t2.Type <> 1 ) SELECT DISTINCT t1.UserName,t2.Name AS ReportName...
View ArticleString Comparisons in SQL: The Longest Common Substring.
I’ve always wanted a SQL function that tells me the longest substring shared between two strings. As a present to myself, I’ve written one. I hope someone else finds it useful. There are several...
View ArticleT-SQL Substring: Splicing a String from Another String
Transact-SQL or T-SQL is a way to run SQL statements on your database tables. SQL Server offers several string functions, which you should know to properly manipulate and work with your data. The...
View ArticleTop 80 + SQL Query Interview Questions and Answers with Examples
Oracle Equivalent of SQL Server SUBSTRING is SUBSTR, Query : select substr(FIRST_NAME,0,3) from employee SQL Server Equivalent of Oracle SUBSTR is SUBSTRING, Query : select substring(FIRST_NAME,1,3)...
View ArticleSUBSTRING (Transact-SQL)
Returns part of a character, binary, text, or image expression in SQL Server. The following example shows how to return only a part of a character string. From the sys.databases table, this query...
View ArticleOptimizing Substring Search Performance in SQL Server
The requirement of searching data by part of the value is very common in business applications. All of us are familiar with it – users want to be able to search by entering just a few letters from the...
View ArticleSQL Azure troubleshooting, some #Ideas and scenar#iOS.
Demo T-SQL Script queries: SELECT TOP 5 query_stats.query_hash AS "Query Hash", SUM(query_stats.total_worker_time) / SUM(query_stats.execution_count) AS "Avg CPU Time", MIN(query_stats.statement_text)...
View ArticleT-SQL Substring: Splicing a String from Another String
Transact-SQL or T-SQL is a way to run SQL statements on your database tables. SQL Server offers several string functions, which you should know to properly manipulate and work with your data. The...
View ArticleTYPO3 #News Module - SQL Injection
Exploit Title: TYPO3 News Module SQL Injection # Vendor Homepage ... condition ) payload = 'ord(substring((%s)from(%d)for(1)))' % (payload, position) payload =...
View ArticleChange a Substring with SQL
However, my SQL command gives me an invalid token error at the opening parenthesis of SUBSTR in the SET statement. Is there a rule that you can’t use SUBSTR in a SET statement? If so, do you have a...
View Article