Yes, you can achieve this with findAndModify(). Let us first create a collection with documents −> db.returnResultOfIncementDemo.insertOne({"PlayerScore":98}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cd3c292edc6604c74817cda") }Following is the query to display all documents from a collection with the help of find() method −> db.returnResultOfIncementDemo.find();This will produce the following output ... Read More

The IN clause in MYSQL database is used to specify the list of parameters in a query.For example, you need to retrieve contents of a table using specific IDs you can do so using the SELECT statement along with the IN clause as −mysql> SELECT * from sales where ID ... Read More

To check if a field in MongoDB is [] or {}, you can use the following syntax −db.yourCollectionName.find({    "yourOuterFieldName": { "$gt": {} },    "yourOuterFieldName.0": { "$exists": false } });Let us first create a collection with documents -> db.checkFieldDemo.insert([ ...   { _id: 1010, StudentDetails: {} }, ...   ... Read More

To execute a statement with Where clause using PreparedStatement. Prepare the query by replacing the value in the clause with place holder “?” and, pass this query as a parameter to the prepareStatement() method.String query = "SELECT * FROM mobile_sales WHERE unit_sale >= ?"; //Creating the PreparedStatement object PreparedStatement pstmt ... Read More

Here we will see how we can extend some namespace, and how the unnamed or anonymous name space can be used.Sometimes we can define one namespace. Then we can write the namespace again with the same definition. If the first one has some member, and second one has some other ... Read More

This example demonstrate about How can I marquee the text content in Android Notification.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     ... Read More

Use $pull operator along with positional operator($) in MongoDB. Let us first create a collection with documents −> db.pullWithPositionalOperatorDemo.insertOne( ...   { ...      _id: 100, ...      "StudentDetails": [ ...         { ...            "StudentId": "STU-1", ...       ... Read More

To insert records into a table that contains a decimal value using PreparedStatement you need to −Register the driver − Register the driver class using the registerDriver() method of the DriverManager class. Pass the driver class name to it, as parameter.Establish a connection − Connect ot the database using the ... Read More

In C++, we can use the function overloading techniques. But if some base class has one method in overloaded form (different function signature with the same name), and the derived class redefines one of the function which is present inside the base, then all of the overloaded version of that ... Read More

Grouping a set of INSERT Statements and executing them at once is known as batch insert.Batch inserts using PreparedStatement objectTo execute a batch of insert statements using the PreparedStatement object −Create a PreparedStatement − Create a PreparedStatement object using the prepareStatement() method. Pass the Insert query with place holders “?” ... Read More