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PHP 2022-03-27 15:35:08
Laravel query where and
// Retrieve a model by its primary key... $flight = App\Models\Flight::find(1); // Retrieve the first model matching the query constraints... $flight = App\Models\Flight::where('active', 1)->first(); // Shorthand for retrieving the first model matchi... Add solution -
SQL 2022-03-21 21:30:58
alter table add column and foreign key mysql
-- On Create CREATE TABLE tableName ( ID INT, SomeEntityID INT, PRIMARY KEY (ID), FOREIGN KEY (SomeEntityID) REFERENCES SomeEntityTable(ID) ON DELETE CASCADE ); -- On Alter, if the column already exists but has no FK ALTER... Add solution -
Python 2022-03-20 02:15:44
python create table postgresql
.wp-block-code { border: 0; padding: 0; } .wp-block-code > div { overflow: auto; } .shcb-language { border: 0; clip: rect(1px, 1px, 1px, 1px); -webkit-clip-path: inset(50%); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden... Add solution -
SQL 2022-03-17 08:10:20
sql constarint
It creates a new constraint on an existing table, which is used to specify rules for any data in the table. Example: Adds a new PRIMARY KEY constraint named ‘user’ on columns ID and SURNAME. ALTER TABLE users ADD CONSTRAINT user PRIMARY KEY (I... Add solution