PostgreSQL provides several functions to deal with the NULL values, such as COALESCE() function,NULLIF()function, etc. TheNULLIFis one of the most frequently used conditional expressions that deal with the null values. This post will elaborate on the below-listed concepts of the NULLIF() functio...
In this post, we are going to understand what the COALESCE function is and how to use it in PostgreSQL. What is a COALESCE Function? COALESCE is a system in-built function that can be considered one of the conditional expressions available in PostgreSQL. NULLIF, GREATEST, LEAST, and COALESCE...
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Learn-SQL / PostgreSQL / How to Use Coalesce in PostgreSQL Say you're looking at a PostgreSQL integer column where some rows are null: selectday,ticketsfromstats; day|tickets---+---2018-01-01|12018-01-02|null2018-01-03|3 Instead of having that...
WHERE LastName IN ( SELECT value FROM string_split(@Persons,',') ); If you are working on a newer version of SQL Server, using the list of values with STRING_SPLIT function is optimal. It is optimized and easy to use, without the potential third-to-find bugs of some custom solutions...
Method 1: SQL NULLIF Function Initially, we use NULLIF function to avoid divide by zero error message. The syntax of NULLIF function: NULLIF(expression1, expression2) It accepts two arguments. Firstly, If both the arguments are equal, it returns a null value ...
The Role of LLMs in text2SQL The ability to convert text2SQL has improved significantly with the help of large language models (LLMs). These models use vast amounts of data and powerful neural network architectures to understand and generate human-like text. By training on diverse datasets,...
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When referring to NULL within our data sets, we often use phrases such as “the NULL value” or “a value of NULL.” I do it all the time. I see it done all the time. Such phrases are so common that we think little of their use. But inherent in the p...
I have this sp, they ask me to insert a column at the end that says yes or no if UUID_COMP_17! = '' And Imp_Cargo! = 0 is yes if UUID_COMP_17 = '' and Imp_Cargo! = 0 is yes and if UUID_COMP_17 = '' and Imp_Cargo = 0 is no lines in bold…