How to delete multiple record with single query in MySQL Database i have two table , table1 and table2 primary key of table1 is foreign key in table2 . i want to delete table one record but first we must delete all record present in table2 that relate to table1 record is work like this ?
want to make some function which is not in MySQL , but we can easily can do at C / C++ so if we can make program in C / C++ and use it at MySQL so is that possible to use C / C++ code at MySQL
what are the MySQL storage engines ? how to use MySQL storage engines ? i export database i got this here ENGINE=MyISAM , it means what ? i can say our ENGINE is MyISAM ,
how to run MySQL stored procedure in php ? how to run this stored procedure in PHP ?
i am finding alternative of the mysql_list_dbs in php , in php , it was easy to get list of database by function mysql_list_dbs above code will give you list of databases in current MySQL database. but mysql_list_dbs is deprecated as of PHP 5.4.0 so what is the other alternative of mysql_list_dbs function ? is there any PHP function or MySQL function which is used to get database list
how can UPDATE table 's field value from SELECT query in MySQL
How to get result of yesterday ' date by sql query in MySQL ? Database table name : users Field list : Id(Primary Key) , username , password , register_date (field type : dateTime) i want to get all user who registered yesterday i can put static date here but i need dynamic date . it means i need registered user for yesterday.
How to reset Auto Increment in MySql i set my id as Primary Key with not null and auto increment . but problem arise that i was testing environment untill now for my PHP web application. now i am transferring it to production.and i want to reset all Auto increment to 0 so it start with 1 so tell me how to reset Auto increment to 1 so it start Counting from 1 again.
how to remove whitespace in MySql In Sql Query . i am running following query with mysql_query in php but sometime i got admin enter category name with space. so i want to omit it to get stored name with space in MySql can i remove white space before get it saved. ? php function or MySql function any thing which help on this .
I am using get SOAP and getting result in xml format . now i want to read particular element value. how can i get it with php?
some user entered username with '(single quote) or "(double quote ) like sam'skitchen and it break my code and people can see my query on the registration page . i got that it s called sql injection . i want to avoid it better way
Sure! Here's an example of how to set and get a cookie in JavaScript: ". If a matching cookie is found, the code extracts its value and logs it to the console. Note that cookies are stored as strings and have a limited size, so it's important to encode any data you store in them properly to avoid data loss or security issues. Additionally, make sure to be mindful of any privacy implications of setting cookies, and only use them when necessary for your application.
You can extract only numbers from a string in jQuery by using regular expressions and thewill only contain the numbers extracted from the string, which in this case is the value 2099. You can adjust the regular expression to match different patterns of numbers, depending on your specific requirements.
You can extract a number from a string in JavaScript using various methods. Here are a few ways to do it: parseInt() method: You can use the parseInt() method to extract an integer from a string. It takes two arguments - the string to parse and the radix, which is the base of the number system to use. For example: Note that if the string contains non-numeric characters, the result will be NaN
To show all errors and warnings in PHP, you can use the following code: The , which means that PHP will display errors and warnings on the screen. It is important to note that showing all errors and warnings on a production server is not recommended, as it can expose sensitive information to potential attackers. It is best to only show errors and warnings in a development environment.
In JavaScript, you can create custom methods for objects by defining a function as a property of the object. Here is an example: In this example, we have defined an object . You can define multiple custom methods for an object, using the same syntax as above. Simply define a function as a property of the object and call it using the object's dot notation
In an Electron JS application, you can use local files by loading them with the file:// protocol. Here's an example of how to load a local HTML configuration, to allow Node.js modules to be used in your local HTML file. With this configuration, you can run your Electron application, and it should display the contents of your local HTML file.
To sort an array by array key in PHP, you can use the . The usage of krsort() is similar to ksort(), but it sorts the array by its keys in descending order instead of ascending order.
[h2]return current timestamp and by subtract any number of days to it lead to time of before n(any number) days for example : subtract 1 days to the current date.
[h2]return current timestamp and by adding n days to it lead to time of after n(any number) days for example : add 1 days to the current date.
SUBSTR() function and SUBSTRING() function both work same in MySQL. so above both query returns same output is "SQL"
The UCASE function and the UPPER function both give the same result, The UCASE function and the UPPER function convert string so lower case to upper case. you can use UPPER() instead of the UCASE() also.
instead of learning following Programming Language in 2022 :
By usingreturn current timestamp and by adding 10 day's second to it lead to time of after 10 day time add 10 days to the current date.
yes you can use step is -1 in range() function and you will get backward counting in the Python range function see how : it will give you a total is 21 but it does not matter how you count forward or backward it gives you total : 21 so maybe i mistaken what you asking really . so write down some more detail about your question so i answer better in your problem
yes Python.org is a CPython All Python distribution from python.org, is CPython . CPython is the “compiler” of Python.
stdClass would be used for define an empty object $emptyobject is now an empty object . you can do anything what you want with empty object .
For Prestashop version 1.7.x 1. Find the following tpl file themes/your theme/templates/cms/page.tpl 2. open above tpl file and put the hook code at right place at code
die() function do following job: 1. die() function stop the execution of the script 2. die() function will print the string which passed as an argument in the die() function if you pass the number as an argument to the die() function, it will only stop the script execution to that point but not print anything but it take number exit status