- Updates
- Deletes

Laravel's database query builder provides a convenient, fluent interface to creating and running database queries.
- It uses PDO parameter binding to protect your application against SQL injection. There is no need to clean strings passed as bindings.

First, add the DB facade in your controller:
use Illuminate\Support\Facades\DB;
Then, you may use the table() method on the DB facade to begin a query.


To execute Inserts statements with query builder, use the insert() method. It accepts an array of column names and values.
DB::table('users')->insert(['name'=>'MarPlo', 'votes'=>0]);
- To insert several records into the table with a single call to insert(), pass an array of arrays.
 ['name'=>'MarPlo', 'votes'=>0],
 ['name'=>'PloMar', 'votes'=>0]

Auto-Incrementing ID

If the table has an AUTO-INCREMENTING id, use the insertGetId() method to insert a record and then retrieve the ID.
$id = DB::table('users')->insertGetId(['name'=>'MarPlo', 'votes'=>0]);


To update records in MySQL with query builder, use the update() method. It accepts an array of column names and values.
You may also use where() clauses.
DB::table('users')->where('id', 1)->update(['votes'=>1]);
- When updating a JSON column (on databases that support JSON columns), use "->" syntax to access the appropriate key in the JSON object.
DB::table('users')->where('id', 1)->update(['options->enabled'=>true]);

Increment / Decrement

For incrementing or decrementing the value of a column, you may use the increment('col', $nr) / decrement('col', $nr) methods.
The first argument is the 'column name', the second argument is optional, a number to control the amount by which the column should be incremented or decremented.

DB::table('users')->increment('votes', 5);


DB::table('users')->decrement('votes', 5);
- You may also specify additional columns to update during the operation.
DB::table('users')->increment('votes', 1, ['name'=>'MarPlo']);


To delete records in MySQL with query builder, use the delete() method.
You may also use where() clauses.
DB::table('users')->where('votes', '>', 10)->delete();
- If you wish to truncate the entire table (which will remove all rows and reset the auto-incrementing ID to zero), you may use the truncate() method.

- Documentation: Laravel - Database: Query Builder

Daily Test with Code Example

Which tag adds an image in web page?
<div> <img> <span>
<img src="http://coursesweb.net/imgs/webcourses.gif" width="191" height="63" alt="Courses-Web" />
Which of these CSS codes displays the text oblique?
font-style: italic; text-decoration: underline; font-weight: 500;
#id {
  font-style: italic;
Click on the jQuery function used to hide with animation a HTML element.
click() hide() show()
$(document).ready(function() {
  $(".a_class").click(function(){ $(this).hide("slow"); });
Click on the correctly defined function in PHP.
fname function() {} function fname() {} function $fname() {};
function fname($a, $b) {
  echo $a * $b;
MySQL Query Builder: Insert, Update, Delete

Last accessed pages

  1. Get the value of the selected /checked checkboxes in a form (37327)
  2. Read Excel file data in PHP - PhpExcelReader (54887)
  3. jQuery ajax() method (14797)
  4. Sending data with GET and POST in the same request (3535)
  5. Backgammon Simple (380)

Popular pages this month

  1. Flash Games - Free online Games (1941)
  2. Qwop (1477)
  3. Courses Web: PHP-MySQL JavaScript Ajax HTML CSS Flash-AS3 (1338)
  4. Tunnel Rush (1259)
  5. Drag Racer V3 (979)