Q431. DROP vs TRUNCATE?
While both `DROP` and `TRUNCATE` are DDL operations, their scope is fundamentally different: | Feature | `TRUNCATE TABLE` | `DROP TABLE` | | :--- | :--- | :--- | | **Data...
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Q432. What is event capturing?
Event capturing is a phase of event propagation in which an event is first intercepted by the outermost ancestor element, then travels downward through the DOM hierarchy ...
Q433. What is React Intl?
The _React Intl_ library makes internationalization in React straightforward, with off-the-shelf components and an API that can handle everything from formatting strings,...
Q434. Add order_date column to order table?
To add an `order_date` column to an existing table, use `ALTER TABLE ... ADD COLUMN`: ```sql ALTER TABLE `orders` ADD COLUMN order_date DATE NOT NULL DEFAULT (CURRENT_DAT...
Q435. What are the main features of React Intl?
Below are the main features of React Intl, 1. Display numbers with separators. 2. Display dates and times correctly. 3. Display dates relative to "now". 4. Pluralize labe...
Q436. Rename column Address to Addr in Customer?
```sql -- MySQL ALTER TABLE Customer CHANGE Address Addr VARCHAR(50); -- PostgreSQL / Standard ALTER TABLE Customer RENAME COLUMN Address TO Addr; ```
Q437. How do you submit a form using JavaScript?
You can submit a form using `document.forms[0].submit()`. All the form input's information is submitted using onsubmit event handler ```javascript function submit() { doc...
Q438. What are the two ways of formatting in React Intl?
The library provides two ways to format strings, numbers, and dates: 1. **Using react components:** ```jsx harmony ``` 2. **Using an API:** ```javascript const messages =...
Q439. Delete column CITY from ADDRESSES?
To remove a column from an existing table schema, use `ALTER TABLE ... DROP COLUMN`: ```sql ALTER TABLE addresses DROP COLUMN city; ``` *Production Warning:* Dropping a c...
Q440. What is the difference between grid-row and grid-column in CSS Grid?
`grid-row` is used to position an item within a row, while `grid-column` is used to position an item within a column. Both properties can take a value of either a number ...