Home >Topic List >What are the commonly used functions of informix?
What are the commonly used functions of informix?
Commonly used functions in informix include mathematical functions, string functions, date and time functions, data type conversion functions, sorting and grouping functions, connection functions, conditional functions, statistical functions, subquery functions and date and time functions.
What are the commonly used functions of informix?Commonly used functions in informix include mathematical functions, string functions, date and time functions, data type conversion functions, sorting and grouping functions, connection functions, conditional functions, statistical functions, subquery functions and date and time functions. Detailed introduction: 1. Mathematical functions, AVG(), COUNT(), MAX(), MIN(), SUM(), ABS(), ROUND(), TRUNC(); 2. String functions, LENGTH(), SUBSTRING() and so on.
Detailed explanation of the usage of substr_count() function in PHP languagePHP is a widely used programming language that is widely used in web development. In these projects, string processing is an important part that cannot be bypassed. In PHP, there are many built-in functions for string processing. For example, functions such as substr_count() can quickly count the number of times a certain substring appears in a given string. In this article, we will introduce the usage of substr_count() function in detail. Syntax substr_count(string$hays
How to use Python's sort(), min(), and max() functions to sort list elements?The sort0 method is provided in the list object, which is used to sort the elements in the original list. After sorting, the order of the elements in the original list will change. The syntax format is as follows: listname.sort(key=None, reverse=False) key: key used for comparison reverse: optional parameter False means ascending order True means descending order The default ascending order When using the sort0 method to sort a string list , the rule adopted is to sort uppercase letters first, then lowercase letters. If you want to sort the string list (case-insensitive), you need to specify its key parameter. Case insensitive char.sort(key=st
How do we use MySQL SUM() function?The MySQLSUM function is used to calculate the sum of a field in multiple records. To understand the SUM() function, consider an "employee_tbl" table with the following records -mysql>SELECT*FROMemployee_tbl;+------+------+-------- ----+--------------------+|id |name|work_date |daily_typing_pages|+------+------+ ------------+--------------
Related coursesMore>
An in-depth introduction to the new and old life cycles of React core principlesIntermediate8103 plays
Ultimate CMS zero-based website building instruction videoElementary35612 plays
New Dugu Jiujian: CSS3 must-know contentElementary27951 plays
Go language tutorial-full of practical information and no nonsenseElementary68819 plays
Related Resource DownloadsMore>
Related TutorialsMore>
- 09-01
- 08-01
- 05-16
- 04-12
- 03-12
- 04-10
- 04-10