What is the return value of executeupdate method?
executeUpdate Method () 1 Syntax 2 Return Value. An int that indicates the number of rows affected, or 0 if using a DDL statement. 3 Exceptions 4 Remarks. This executeUpdate method is specified by the executeUpdate method in the java.sql.PreparedStatement interface. 5 See Also
What does the function executeupdate() do?
The executeUpdate () returns either the row count for INSERT, UPDATE or DELETE statements, or 0 for SQL statements that return nothing Updated the question with code and corrections. @MaVRoSCy Yes, we're using SQL Server 2008.
What is the difference between getupdatecount and getresultset in JDBC?
Section 13.1.2.3 of the JDBC 4.1 specification states something (rather hard to interpret btw): When the method execute returns true, the method getResultSet is called to retrieve the ResultSet object. When execute returns false, the method getUpdateCount returns an int.
What is the return type of executeUpdate method in Java?
The JDBC standard states that the executeUpdate method returns a row count or 0. However, if the executeUpdate method is executed against a Db2 for z/OS server, it can return a value of -1.
What type of value is returned by the executeUpdate () method of Statement?
The executeUpdate( ) method works just like the execute( ) method, except that it returns an integer value that reports the number of rows affected by the SQL statement.
What is the return type of executeUpdate () method 1 point?
executeUpdate(): This method is used to execute statements such as insert, update, delete. It returns an integer value representing the number of rows affected.
What is the return type of execute () 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 is executeUpdate in Java?
int executeUpdate(String SQL): Returns the number of rows affected by the execution of the SQL statement. Use this method to execute SQL statements, for which you expect to get a number of rows affected - for example, an INSERT, UPDATE, or DELETE statement.
What is the return value of execute () method of Statement interface?
executeUpdate. Executes the given SQL statement, which may be an INSERT , UPDATE , or DELETE statement or an SQL statement that returns nothing, such as an SQL DDL statement.
What does executeUpdate () return?
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).
Which of the following method can be used to invoke a Statement 1 point executeUpdate () executeQuery () execute JDBC?
executeQuery(), executeUpdate() and execute() are the methods of java. sql. Statement interface of JDBC API which are used to execute the SQL statements.
Which of the following is correct about PreparedStatement Mcq?
Q 5 - Which of the following is correct about PreparedStatement? A - PreparedStatement allows mapping different requests with same prepared statement but different arguments to execute the same execution plan.
Which is return type executeQuery () method?
Whereas the execute( ) and executeUpdate( ) methods discussed in previous sections return primitive data types -- a boolean and int , respectively -- the method normally used with a SELECT statement, executeQuery( ) , returns a ResultSet object.
What is executeQuery return?
one ResultSet objectexecuteQuery : 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 difference between executeQuery and execute?
execute method can run both select and insert/update statements. executeQuery method execute statements that returns a result set by fetching some data from the database. It executes only select statements. executeUpdate method execute sql statements that insert/update/delete data at the database.
What is the return type of executeQuery method?
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.
How can you retrieve information from a ResultSet?
executeQuery method to obtain the result table from the SELECT statement in a ResultSet object. In a loop, position the cursor using the next method, and retrieve data from each column of the current row of the ResultSet object using getXXX methods. XXX represents a data type. Invoke the ResultSet.
Which of the following is correct about prepared statement?
Q 5 - Which of the following is correct about PreparedStatement? A - PreparedStatement allows mapping different requests with same prepared statement but different arguments to execute the same execution plan.
Which of the following is method of JDBC batch process?
addBatch()Which of the following is method of JDBC batch process? Explanation: addBatch() is a method of JDBC batch process.
What is the return value of a SQL statement?
For an SQL statement that can have an update count, such as an INSERT, UPDATE, or DELETE statement, the returned value is the number of affected rows. It can be: A positive number, if a positive number of rows are affected by the operation, and the operation is not a mass delete on a segmented table space.
Why does a call return a value of -1?
For a DB2 CALL statement, a value of -1 is returned, because the DB2 database server cannot determine the number of affected rows. Calls to getUpdateCount or getMoreResults for a CALL statement also return -1. For any other SQL statement, a value of -1 is returned.
Does executeUpdate return 1 or 0.?
I would be very interested to see your code. And you're a little incorrect, when you say, executeUpdate(...)is supposed to return only 1 or 0...it actually returns either (1) the row count for SQL Data Manipulation Language (DML) statements or (2) 0 for SQL statements that return nothing
Does Java have pre and post conditions?
Java doesn't have pre and post conditions. A JDBC driver could return a random number and there was no way to stop it. If it's important to know why this happens, run the statement against different database until you have tried all execution paths (i.e. one where the IF returns false and one where it returns true ).
Does ifstatement work?
The IFstatement works, the code was pretty much copy pasted from a query in Management Studio that was tested before it was put into the program. The INSERTstatement does work because the row is shown if you do a SELECTstatement afterwards.
Can SQL executeUpdate be -1?
cannot be -1. The executeUpdate() returns either the row count for INSERT, UPDATE or DELETE statements, or 0 for SQL statements that return nothing
What is int executeUpdate?
int executeUpdate (String SQL): Returns the number of rows affected by the execution of the SQL statement. Use this method to execute SQL statements, for which you expect to get a number of rows affected – for example, an INSERT, UPDATE, or DELETE statement.
What is return type?
Return type: This method returns a Result Set object which contains the result returned by query.
What is boolean execute?
boolean execute (String SQL): Returns a boolean value of true if a ResultSet object can be retrieved; otherwise, it returns false. Use this method to execute SQL DDL statements or when you need to use truly dynamic SQL.
