How do I get the last inserted ID of a MySQL table in PHP?

How do I get the last inserted ID of a MySQL table in PHP?

I have a table into which new data is frequently inserted. I need to get the very last ID of the table. How can I do this?Is it similar to SELECT MAX(id) FROM table? 1:If you're using PDO, use PDO::lastInsertId.If you're using Mysqli, us

How to use MySQLi inside a namespace

How to use MySQLi inside a namespace

MySQLi works fine inside a class with no namespace and outside a class. I recently started using namespace and now I have stumbled on a code much like the following: namespace Project; class ProjectClass{ public static function Project

Execute .sql schema in psycopg2 in Python

Execute .sql schema in psycopg2 in Python

I have a PostgreSQL schema stored in .sql file. It looks something like:CREATE TABLE IF NOT EXISTS users ( id INTEGER PRIMARY KEY, facebook_id TEXT NOT NULL, name TEXT NOT NULL, access_token TEXT, created INTEGER NOT NULL);Ho

Cannot start LocalDB

Cannot start LocalDB

Cannot start LocalDB instance, I have installed and re-installed over and over. Keep getting this error : Start of LocalDB instance "v11.0" failed because of the following error: Error occurred during LocalDB instance startup: SQL Server

Where do you store your secret key in a Java Web Application? [closed]

Where do you store your secret key in a Java Web Application? [closed]

Cryptography is a widely adopted techonlogy to ensure confidentiality. Not considering implementation flaws, it has a single critical point: the secret key storage. If the secret key is stolen, the whole system will be compromised.EDIT :let

Auto TimeStamp new entry to DB (phpMyAdmin)

Auto TimeStamp new entry to DB (phpMyAdmin)

If I want each new entry into my db to be automatically timestamped, would I set the Field Type to "timestamp" and have the Default value set to "CURRENT_TIMESTAMP"?Is this the correct method? 1:That is correct. In SQL code that would be

pros and cons of db and ndb in google app engine

pros and cons of db and ndb in google app engine

I have seen a little of this in stack overflow but I am wondering if there is any reason to use the DB entity model and what the specific pros and cons of using on or the other are.I have read the ndb is a little faster and that it helps wi

Why does PostgreSQL not return null values when the condition is  true

Why does PostgreSQL not return null values when the condition is true

I was confused behind the reasoning of the following:SELECT * FROM table WHERE avalue is nullReturns x number of rows where 'avalue' is nullSELECT * FROM table WHERE avalue trueDoes not return rows where 'avalue' is null. My reasoning (whi

Mongoose & unique field

Mongoose & unique field

I have the following schema with mongoose:var SimSchema = new Schema({ msisdn : { type : String , unique : true, required : true }, imsi : { type : String , unique : true, required : true }, status : { type : Boolean,

Laravel Eloquent inner join with multiple conditions

Laravel Eloquent inner join with multiple conditions

I have a question about inner joins with multiple on values.I did build my code like this in laravel.public function scopeShops($query) { return $query->join('kg_shops', function($join) { $join->on('kg_shops.id', '=', 'kg_feeds

Django error - matching query does not exist

Django error - matching query does not exist

I finally released my project to the production level and suddenly I have some issues I never had to deal with in the development phase.When the users posts some actions, I sometimes get the following error.Traceback (most recent call last)

django - get() returned more than one topic

django - get() returned more than one topic

When I tried to relate an attribute with another one which has an M to M relation I received this error: get() returned more than one topic -- it returned 2!Can you guys tell me what that means and maybe tell me in advance how to avoid thi

Do not serialize Entity Framework class references in JSON (ServiceStack.Text library)

Do not serialize Entity Framework class references in JSON (ServiceStack.Text library)

As most of the people I've also ran into a problem of circular reference error when serializing (terrible) EF objects to JSON. Doing db.Detach(efObject) helps - but I still get garbage like "EntityKey" outputted.So I was wondering if there

SQLALchemy dynamic filter_by

SQLALchemy dynamic filter_by

I know you can build dynamic filters for queries for SQLAlchemy by supplying **kwargs to filter_by. For example filters = {'id': '123456', 'amount': '232'} db.session.query(Transaction).filter_by(**filters)Below is my question:What

Configure GlassFish JDBC connection pool to handle Amazon RDS Multi-AZ failover

Configure GlassFish JDBC connection pool to handle Amazon RDS Multi-AZ failover

I have a Java EE application running in GlassFish on EC2, with a MySQL database on Amazon RDS.I am trying to configure the JDBC connection pool to in order to minimize downtime in case of database failover.My current configuration isn't wor

“Pivoting” a Table in SQL (i.e. Cross tabulation / crosstabulation)

“Pivoting” a Table in SQL (i.e. Cross tabulation / crosstabulation)

I'm working on trying to generate a report from a couple of database tables. The simplified version looks like thisCampaign----------CampaignIDSource-----------------------Source_ID | Campaign_IDContent--------------------------------------

How I separate logic from presentation?

How I separate logic from presentation?

Normally I am developing website and coding PHP and HTML something like this - while (mysqli_stmt_fetch($stmt)) { // Create Table Body $html .= "\n"; $html .= " $title\n"; $html .= " $date";

d3 pattern to add an element if missing

d3 pattern to add an element if missing

With D3, I'm finding myself doing this a lot:selectAll('foo').data(['foo']).enter().append('foo')I'd like to simply add a node if it doesn't already exist, because I need to do updates at different places in the DOM tree, and the data I hav

How do I edit and delete data in Django?

How do I edit and delete data in Django?

I am using django 1.0 and I have created my models using the example in the Django book. I am able to perform the basic function of adding data; now I need a way of retrieving that data, loading it into a form (change_form?! or something),

Creating a recursive category tree function

Creating a recursive category tree function

I have a database with a bunch of categories, some are children:Array( [0] => Array ( [id] => 1 [name] => Home Improvement [slug] => Home-Improvement [parent] => [user_id] =>

How to organize React Native with Realm project files?

How to organize React Native with Realm project files?

I've picked realm to store data in my React Native app. I don't understand, how to organize files in my project. Documentation provides only simple code for one component. But I need for different components different parts of database.I se

Multiple CouchDB Document fetch with couchdb-python

Multiple CouchDB Document fetch with couchdb-python

How to fetch multiple documents from CouchDB, in particular with couchdb-python? 1:Easiest way is to pass a include_docs=True arg to Database.view. Each row of the results will include the doc. e.g.>>> db = couchdb.Database('http://local

Using yield to iterate over a datareader might not close the connection?

Using yield to iterate over a datareader might not close the connection?

Here is a sample code to retrieve data from a database using the yield keyword that I found in a few place while googling around :public IEnumerable ExecuteSelect(string commandText){ using (IDbConnection connection = CreateConnection())

mongo: new Date() in aggregate $project

mongo: new Date() in aggregate $project

For one of my collections, which must remain unix timestamp instead of isodate, I usually convert the timestamp with new Date(unix_timestamp).Now I need the new Date(ts) in an aggregation. (the example is in PHP) '$project' => array ( 'day

PHP PDOStatement: Fetch A Row, as the First Column as the Key of an Array

PHP PDOStatement: Fetch A Row, as the First Column as the Key of an Array

I am using PDOStatement to query the database. Whenever I get a returned row, I want it to be fetched into an array, with the $row[0] as the key, and the subsequent elements in the row as the values.I can, of course, write a combination of