Skip to main content

Q) What are the difference between statement and Prepared-statement?



A)

Statement
Prepared Statement
It is used for submitting any kind of SQL statement, but for only once.
When same SQL statement required to be submitted repeatedly.
Statement object is empty.
It holds a pre-compiled SQL statement.
No place holders allowed in submitted SQL statement.
At least one place holder mandatory.
Java.sql.Statement is a parent interface of PreparedStatement
Java.sql.PreparedStatement is a sub interface of Statement.

Comments

Post a Comment

Popular posts from this blog

Q) What is JDBC driver? What is its role in java database connection?

A) ->A translation software written in java according o JDBC specification is nothing but “JDBC driver”. -> JDBC driver implements JDBC API. Use single API. JDBC driver role: They are 4 roles   1)       Establishing connection between JDBC client and database server. 2)       Receiving JDBC method calls made by JDBC client while performing database (CRUD) operations. 3)       Translating java method calls into DBMS understandable calls and forwarding them to database server. 4)       Receiving the results from database server. Translating them into java format and handling over the same to the JDBC client.
Post a Comment
Read more

Q) What is ODBC?

A) ->open database connectivity is a technology from MS that enables any language program (other than java) to communication with database Management System. ->in java program ODBC is directly not allowed for the fallowing reasons 1) OS dependency 2) Procedural oriented approach 3) Security thread
Post a Comment
Read more

Q) What is MyEclipse?

A) ->MyEclipse is one of the IDEs (Integrated Development Environment) used in software industry to develop java based applications. ->using My Eclipse IDE we can develop, deploy, execute, debug and test java applications.
Post a Comment
Read more