Tag: programming languages

O (a) Dirty reads, non-repeatable reads and phantom reads can occur

O (b) Dirty reads are prevented; non-repeatable reads and phantom reads can occur

O (c) Dirty reads and non-repeatable reads are prevented; phantom reads can occur

O (d) Dirty reads, non-repeatable reads and phantom reads are prevented

[_] [a] Using the cursor technique is currently the only possible way to change the data in the

[_] [b] Insert statements are not supported when using cursors.

[_] [c] Only scrollable updateable ResultSets can use this approach to change the data in the

[_] [d] The name of the cursor is specified by the setCursorName(String name) method the

O (a) Call method execute() on a CallableStatement object

O (b) Call method executeProcedure() on a Statement object

O (c) Call method execute() on a StoredProcedure object

O (d) Call method run() on a ProcedureCommand object

O (a) the method close() does not exist for a ResultSet. Only Connections can be closed.

O (b) the database and JDBC resources are released

O (c) you will get a SQLException, because only Statement objects can close ResultSets

O (d) the ResultSet, together with the Statement which created it and the Connection from

O (a) The row you are positioned on is deleted from the ResultSet, but not from the database.

O (b) The row you are positioned on is deleted from the ResultSet and from the database

O (c) The result depends on whether the property synchonizeWithDataSource is set to true or

O (d) You will get a compile error: the method does not exist because you can not delete rows

[_] [a] To create a batch of insert and update statements, you create an object of type Batch,

[_] [b] Batch insert and updates are only possible when making use of parameterized queries.

[_] [c] To do a batched update/insert, you call addBatch(String statement) on a Statement

[_] [d] To execute a batched update/insert, you call the executeBatch() method on a Statement

O (a) DDL statements are treated as normal sql statements, and are executed by calling the

O (b) To execute DDL statements, you have to install additional support files

O (c) DDL statements can not be executed by making use of JDBC, you should use the native

O (d) Support for DDL statements will be a feature of a future release of JDBC

a)Locale

b)ResourceBundle

c)Country

d)Language

1) File container.jsp will compile if the directive page comes before the directive include

2) File container will compile and when executed it will show:”Hello”.

3) File container.jsp will compile if the errorPage in container.jsp is the same as in file included.jsp.

4) File container.jsp will compile if instead of directive include (<%@ include ...%>) it is used the action include (<jsp:include...>)

1) It is necessary to implement TagExtraInfo interface.

2) You have to insert into the tag element of the taglib descriptor file an entry for tei-class element.

3) The interface you have to implement has a method called getVariableInfo.

4) None of the above.