T-SQL: RIGHT, LEFT, SUBSTRING and CHARINDEX Functions
This article explains the functionality and uses of the LEFT, RIGHT, SUBSTRING and CHARINDEX functions in SQL. This article will leave you with sound knowledge and understanding that you can take away...
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 ArticleOptimizing SQL Server CPU Performance
For more information on SQL traces, see msdn2.microsoft.com/ms191006.aspx. SELECT substring(text,qs.statement_start_offset/2 ,(CASE WHEN qs.statement_end_offset = -1 THEN len(convert(nvarchar(max),...
View ArticleUnderstanding your SQL Server Fragmentation
So, now the time to see WHY SQL Server can’t shrink our file ... Object_Name(@i) + ']' , CONVERT(GEOMETRY,'POLYGON(' + SUBSTRING( ( SELECT ',(' + CONVERT(VARCHAR, (page_id % @d) * 10) + ' ' +...
View ArticleSplitting CSV strings in SQL 2016
One using casts the string as XML and then parses the nodes to return a table and the other uses a very inefficient looping operation with charindex and substring. For performance reasons I’ve always...
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 ArticleDB2 #Memory Area In-Depth: The Package Cache
Borrowing this memory takes some time and resources and means applications will wait even longer on compiling SQL. You can look for package cache overflows in the db2 diagnostic log like this: SELECT...
View ArticleSQL SERVER – Removing Leading Zeros From Column in Table
I have always received the question regarding how to reserve leading zeroes in SQL Server while displaying them on the ... data SELECT * FROM Table1 GO -- Remove leading zeros SELECT SUBSTRING(Col1,...
View ArticleSQL - String Functions
SQL> UPDATE table_test -> SET blob_col=LOAD_FILE('/tmp/picture') -> WHERE id=1; ..... The first syntax returns the position of the first occurrence of substring substr in string str. The...
View ArticleOracle: Count on only one table within select
I have the following SQL and want to add to the query a count of records for each of the tables selected out of the user_tables, basically count(*). I've tried several things, but am getting only a...
View ArticleUse PowerShell to Determine the number DML operations in SQL Server Scripts
We can use one of my favorite libraries to do this easily - .NET's very fast StreamReader, for reading a SQL file. Likewise, since PowerShell uses .NET, this library includes many useful built in...
View ArticleT-SQL: RIGHT, LEFT, SUBSTRING and CHARINDEX Functions
This article explains the functionality and uses of the LEFT, RIGHT, SUBSTRING and CHARINDEX functions in SQL. This article will leave you with sound knowledge and understanding that you can take away...
View ArticleSplitting CSV strings in SQL 2016
One using casts the string as XML and then parses the nodes to return a table and the other uses a very inefficient looping operation with charindex and substring. For performance reasons I’ve always...
View ArticleTempDB database is Full
Extract statement from sql text ISNULL( NULLIF( SUBSTRING( EST.text, ERQ.statement_start_offset / 2, CASE WHEN ERQ.statement_end_offset < ERQ.statement_start_offset THEN 0 ELSE(...
View ArticleUse PowerShell to Determine the number DML operations in SQL Server Scripts
We can use one of my favorite libraries to do this easily - .NET's very fast StreamReader, for reading a SQL file. Likewise, since PowerShell uses .NET, this library includes many useful built in...
View ArticleComparing SQL Server and MySQL Functions
You’ll be happy to know that the following functions are usable in both MySQL and SQL Server queries without any modifications: ASCII, LEFT, LOWER, LTRIM, REPLACE, REVERSE, RIGHT, RTRIM, SOUNDEX,...
View ArticleStairway to U-SQL Level 10: Table-Valued Functions and UDTs - SQLServerCentral
Welcome to the next step in our U-SQL journey. This time around, we’re going to take a look at how Table-Valued Functions (TVFs) and User Defined Types (UDTs) are implemented in U-SQL. You’re probably...
View ArticleT-SQL: RIGHT, LEFT, SUBSTRING and CHARINDEX Functions
This article explains the functionality and uses of the LEFT, RIGHT, SUBSTRING and CHARINDEX functions in SQL. This article will leave you with sound knowledge and understanding that you can take away...
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 ArticleUsing Visual Basic for FTP Access on an AS/400
For those who don't know anything about stored procedures, I would suggest reading this article: Using SQL Stored Procedures with VB.NET. The physical stored procedure in the SQL database would look...
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