JDBC Interviewfragen und Antworten
Question: How can you create JDBC statements and what are they?Answer:A Statement object is what sends your SQL statement to the DBMS. You simply create a Statement object and then execute it, supplying the appropriate execute method with the SQL statement you want to send. For a SELECT statement, the method to use is executeQuery. For statements that create or modify tables, the method to use is executeUpdate. It takes an instance of an active connection to create a Statement object. In the following example, we use our Connection object con to create the Statement object:
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Am hilfreichsten laut Nutzern:
- What is JDBC? Describe the steps needed to execute a SQL query using JDBC.
- What are the steps involved in establishing a JDBC connection?
- Is JDBC-ODBC bridge multi-threaded?
- Does the JDBC-ODBC Bridge support multiple concurrent open statements per connection?
- What are the different driver types available in JDBC?