Can we use executeQuery for update?

Can we use executeQuery for update?

SQLException with message “executeQuery method can not be used for update”. Statement executeUpdate(String query) is used to execute Insert/Update/Delete (DML) statements or DDL statements that returns nothing. The output is int and equals to the row count for SQL Data Manipulation Language (DML) statements.

When we should activate the function executeQuery ()?

executeQuery(): This method is used to execute statements that returns tabular data (example select). It returns an object of the class ResultSet.

What executeQuery () method will after executing the statement?

executeQuery : Returns one ResultSet object. executeUpdate : Returns an integer representing the number of rows affected by the SQL statement. Use this method if you are using INSERT , DELETE , or UPDATE SQL statements.

What is the difference between executeQuery () and executeUpdate ()?

executeUpdate() : This method is used for execution of DML statement(INSERT, UPDATE and DELETE) which is return int value, count of the affected rows. executeQuery() : This method is used to retrieve data from database using SELECT query.

What does executeQuery return in C#?

It will return empty ResultSet if the query fetches 0 records. Initially the cursor points to before resultset, when ever we call resultset.

Which of the following methods of statement is used to update the database?

int executeUpdate(String sql) throws SQLException : This method is used for SQL statements which update the database in some way. For example INSERT, UPDATE and DELETE statements.

Which SQL command is handled by executeQuery () method?

Then, the Statement object’s executeQuery( ) method is called to execute the SQL SELECT statement, returning a ResultSet into rset .

Which method of Sqlcommand is used to update the record?

The executeUpdate() method returns the number of rows affected by the SQL statement (an INSERT typically affects one row, but an UPDATE or DELETE statement can affect more).

What does ExecuteQuery return in C#?

What is ExecuteQuery in C#?

ExecuteQuery(Type, String, Object[]) Executes SQL queries directly on the database. ExecuteQuery(String, Object[]) Executes SQL queries directly on the database and returns objects.

What does ExecuteNonQuery return on failure?

ExecuteNonQuery() Method:ExecuteNonQuery() method is used to manipulate data in database and is used for statements without results such as CREATE, INSERT, UPDATE and DELETE commands. It does not return any data but it returns number of rows affected.

Can method executequery be used for update in spring?

Method executeQuery cannot be used for update. ERRORCODE=-4476, SQLSTATE=null I am using Spring batch framework to read from db2 and getting error. Please note that same is working fine with Mysql.

Should I use executequery() or executeupdate() when inserting a record?

Since you are inserting a record, you should be using executeUpdate()not executeQuery(). Here are some methods that are usually misused: boolean execute() Executes the SQL statement in this PreparedStatement object, which may be any kind of SQL statement.

Can executequery take arguments from a PreparedStatement?

The method executeQuery () cannot take arguments on a PreparedStatement or CallableStatement. Error I am having this kind of error when trying to connect and retrieve data from my database. The method executeQuery () cannot take arguments on a PreparedStatement or CallableStatement.

What is the difference between executequery() and executeupdate() in SQL?

String queryString = ” {SELECT P_ID, lname, fname, mname FROM stu_info Where lname =?}”; execute () and executeUpdate () will both work. executeQuery () only works when your procedure returns a result set. Thanks for contributing an answer to Stack Overflow!