mongodb string

1 if first string is “greater than” the second string. 0 if the two strings are equal. -1 if the first string is “less t...

mongodb string

1 if first string is “greater than” the second string. 0 if the two strings are equal. -1 if the first string is “less than” the second string. $strcasecmp has the following ... ,The $strLenCP operator counts the number of code points in the specified string. This behavior differs from the $strLenBytes operator which counts the number ...

相關軟體 MongoDB 資訊

MongoDB
MongoDB 是一個免費且開放源碼的跨平檯面向文檔的數據庫程序。分類為 NoSQL 數據庫程序,MongoDB 使用類似 JSON 的文檔與模式。它為使用 MongoDB 包括數據庫開發人員和 DBA 的任何人提供了豐富的 GUI 工具。主要功能包括:全功能嵌入 MongoDB Shell,用戶友好的 Map-Reduce 操作編輯器,創建 / 刪除數據庫,管理集合及其索引的能力,用戶友好的 G... MongoDB 軟體介紹

mongodb string 相關參考資料
$regex — MongoDB Manual

Provides regular expression capabilities for pattern matching strings in queries. MongoDB uses Perl compatible regular expressions (i.e. “PCRE” ) version 8.41 ...

https://docs.mongodb.com

$strcasecmp (aggregation) — MongoDB Manual

1 if first string is “greater than” the second string. 0 if the two strings are equal. -1 if the first string is “less than” the second string. $strcasecmp has the following ...

https://docs.mongodb.com

$strLenCP (aggregation) — MongoDB Manual

The $strLenCP operator counts the number of code points in the specified string. This behavior differs from the $strLenBytes operator which counts the number ...

https://docs.mongodb.com

$substr (aggregation) — MongoDB Manual

Returns a substring of a string, starting at a specified index position and including the specified number of characters. The index is zero-based. $substr has the ...

https://docs.mongodb.com

$text — MongoDB Manual

Field, Type, Description. $search, string, A string of terms that MongoDB parses and uses to query the text index. MongoDB performs a logical OR search of the ...

https://docs.mongodb.com

Connection String URI Format — MongoDB Manual

You can specify the MongoDB connection string using either: the Standard Connection String Format or; the DNS Seedlist Connection Format.

https://docs.mongodb.com

How to query MongoDB with "like"? - Stack Overflow

On second one you have more options, like "i" in options to find using case insensitive. And about the "string", you can use like ".string." (%string%), or "string.

https://stackoverflow.com

String Aggregation Operators - MongoDB Documentation

String expressions, with the exception of $concat , only have a well-defined ... $substr, Returns a substring of a string, starting at a specified index position up to ...

https://docs.mongodb.com

Text Search — MongoDB Manual

MongoDB provides text indexes to support text search queries on string content. text indexes can include any field whose value is a string or an array of string ...

https://docs.mongodb.com