Use case-insensitive text data type. Use citext: createtableemails ( user_idintreferencesusers(user_id) email citext );insertintovalues1'linus.Torvalds@linUX.com'fromemailswherein('linus.torvalds@Linux.com','isteve.jobs@Apple.com'); In case you cannot find the citext.sql in your contrib di...
SELECTfieldas"before", REPLACE(fieldCOLLATESQL_Latin1_General_Cp1_CI_AI ,'OVER','')as"after" SeeCOLLATEfor list of collation names so you choose the one appropiate for your data. Update Ok, so I missed your actual request (change case of input, not find case-insensitive). The proper ...
"sqlLike"和"sqlLikeCaseInsensitive"是两个转义字符,用于在SQL查询中进行模糊匹配。 1. "sqlLike"转义字符:在SQL查询中,"sqlLike"用于进行模糊...
I'm not sure if I remember wrongly, I see the COLLATE NOCASE append in the sql query very long time ago (may be not COLLATE NOCASE,but something else , all I remember is my query is case insensitive), but recently I use Sqlite again , an...
Case-insensitive operators are currently supported only for ASCII-text. For non-ASCII comparison, use the tolower() function. Performance tips 注意 Performance depends on the type of search and the structure of the data. For best practices, see Query best practices. Syntax T | where col !in...
We discuss the options for case-insensitive comparison and pattern matching in PostgreSQL, comparing the performance of different approaches.
Option 1: Using case-insensitive comparison functions In this option, we discuss the PostgreSQL in-built comparison functionsLOWERandUPPER. These functions allow you to convert a string to lowercase or uppercase at runtime, respectively. Thelowerfunction takes a string as an argument and returns a...
How do I force LINQ to SQL to make case sensitive comparison on the database side? When authenticating I need the password authentication to be case sensitive while the username to be case insensitive. The generated query does not make a distinction between the two and SQL server comparisons ...
Filters a record set for data with a case-insensitive string. The following table provides a comparison of theinoperators: OperatorDescriptionCase-SensitiveExample (yieldstrue) inEquals to one of the elementsYes"abc" in ("123", "345", "abc") ...
It seems that knex (and therefore bookshelf) doesn't have any way to handle case sensitivity, which results in inconsistent results across the various supported databases. SQLite is case sensitive by default. MySQL it depends on collatio...