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Normalizing Name Data in SQL Server
My article titled "String Manipulations with SQL Server 2000" gives a quick overview of all string ... IN ('jr', 'sr', 'ii', 'md', 'iv') AND SUBSTRING(REVERSE(full_name), 3, 1) IN (' ', ',', '.') THEN...
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The lab that created #Spark wants to speed up everything, including cures for...
Succinct does more than “put,” “get” and “delete,” AMPLab researcher Rachit Agarwal said — it also allows for counts, substring queries ... In fact, the team is working on a SQL interface that he expe...
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SQL Substring function in SQL Server
The requirement of data refactoring is very common and vital in data mining operations. In the previous article, you’ll learn the tips for getting started with SQL string functions, including the SQL ...
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Using a Custom UDF in Py#Spark to Compute Haversine Distances
F.trim(F.substring(F.col(“value”), 13 ... do not need to define a Schema and then pass it into a separate load statement as you can use pyspark.sql.functions to parse data into new columns with desire...
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10 SQL tricks that you didn’t think were possible
In this article, Java champion Lukas Eder invites readers to take a look at 10 SQL tricks. The article is a summary of ... 99 ) SELECT array_to_string(array_agg(s ORDER BY r), '') FROM ( SELECT i, r, ...
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How to Query JSON Data with SQL Server 2016
the JSON columns are treated as plain text fields and can be queried only with T-SQL string and text instructions such as LIKE, SUBSTRING and TRIM. For the purpose of the demo, I built a column called...
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Using POSITION Functions
When you're experimenting with substring functions, check to see if your system allows an optional third argument. If no third argument is required, and you leave it out, the SQL engine displays all c...
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Extracting a substring from a variable position in a string
I would like to know how to search a variable length field (this is a sample of the field - /TRAK ADF/LQ QC/UNN1 3143). I would be searching for 'UNN1' within this field, and it can be anywhere within...
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How to Update a Substring in Oracle
1. Determine the column that contains the substring to update. In this example, column "ID" in table "Users" requires updating: each entry in ID contains the substring "id," which you update to "pid"....
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9 of the Most Common Mistakes in Database #Design
When you must use LIKE, CHARINDEX, SUBSTRING and similar commands, to parse a value combined with values in one column, the SQL paradigm begins to disintegrate and the data is ever less searchable.
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Manipulating Filetable Files Programatically
CONVERT(VARCHAR(20), CONVERT(BIGINT, SUBSTRING(CONVERT(BINARY(16), NEWID()), 7 ... This is a basic look at how you can work with your Filetable using T-SQL. It is expected that most work with occur vi...
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Convert a string to the proper case using SQL language
Create FUNCTION UpperLowerCase (@name varchar(100)) RETURNS varchar(100) AS BEGIN declare @cnt smallint select @cnt = 2 select @name = ltrim(rtrim(@name)) if @name is null or len(@name) = 0 goto finis...
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Important PHP Interview Questions and Answers
Ans: The mysql_real_escape_string() function is used to escape special characters in a string for use in an SQL statement. Ans ... the Way by Which the Position of the First Occurrence of a Substring ...
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How to Query JSON Data with SQL Server 2016
the JSON columns are treated as plain text fields and can be queried only with T-SQL string and text instructions such as LIKE, SUBSTRING and TRIM. For the purpose of the demo, I built a column called...
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Important PHP Interview Questions and Answers
Ans: The mysql_real_escape_string() function is used to escape special characters in a string for use in an SQL statement. Ans ... the Way by Which the Position of the First Occurrence of a Substring ...
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Using a Custom UDF in Py#Spark to Compute Haversine Distances
F.trim(F.substring(F.col(“value”), 13 ... do not need to define a Schema and then pass it into a separate load statement as you can use pyspark.sql.functions to parse data into new columns with desire...
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How many plans are in the plan cache for a stored procedure?
Let’s parse that text to see each statement. I copied the parsing SQL from this Plan Cache article. SELECT SUBSTRING(text, (statement_start_offset/2) + 1, ((CASE statement_end_offset WHEN -1 THEN DATA...
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The lab that created #Spark wants to speed up everything, including cures for...
Succinct does more than “put,” “get” and “delete,” AMPLab researcher Rachit Agarwal said — it also allows for counts, substring queries ... In fact, the team is working on a SQL interface that he expe...
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SQL Server vs Oracle: Substring
Continuing the comparison between these two database giants, we dive into the substring function. If you’ve been working with databases for a while, I’m sure you’ve had to parse a string and while you...
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Important PHP Interview Questions and Answers
Ans: The mysql_real_escape_string() function is used to escape special characters in a string for use in an SQL statement. Ans ... the Way by Which the Position of the First Occurrence of a Substring ...
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