Common questions

What is DB Adaptor?

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What is DB Adaptor?

A database adapter is an implementation of a database connector. Unlike the way to access data with a fixed schema, stored procedures, or queues, one can access table data directly and transparently with a database adapter.

What is JCA adapter in SOA?

Oracle technology adapters are based on J2EE Connector Architecture (JCA) 1.5 standards and deployed as a resource adapter in the same Oracle WebLogic Server as Oracle Fusion Middleware. Oracle Adapter for Oracle Applications consists of the same architecture as Oracle technology adapters.

How to create Db Adapter in WebLogic?

Configuring the Database Adapter on the Oracle WebLogic Server

  1. Click Deployments under Domain Structure, and then click DbAdapter.
  2. Navigate to the Configuration Tab, and then Outbound Connection Pool.
  3. Click New.
  4. Click Connection Factory.
  5. Click Next.
  6. Specify the JNDI name as eis/DB/Siebel_DB .
  7. Click Finish.

What is a room database?

Room is a persistence library that provides an abstraction layer over the SQLite database to allow a more robust database. With the help of room, we can easily create the database and perform CRUD operations very easily.

What is database protocol?

A network protocol is a set of rules that govern how data is transferred between applications and, in this context, between a client and a database server. The rules of a protocol are implemented in a network driver .

What is the use of pre prepared statement in SQL Server?

Prepared statements are very useful against SQL injections. Prepared Statements and Bound Parameters. A prepared statement is a feature used to execute the same (or similar) SQL statements repeatedly with high efficiency. Prepared statements basically work like this: Prepare: An SQL statement template is created and sent to the database.

What is a prepareprepared statement?

Prepared statements basically work like this: Prepare: An SQL statement template is created and sent to the database. Certain values are left unspecified, called parameters (labeled “?”). Example: INSERT INTO MyGuests VALUES (?,?,?)

Does the Oracle database adapter support stored procedures?

While stored procedure support is less standard across databases, Oracle Database Adapter provides support for stored procedures as the guide describes. The Oracle Database Adapter is a JCA 1.5 connector, which runs on the Oracle Application Server. It relies on an underlying JDBC connector/driver to enact the database communication.

How do pre-pared statements work in SQL?

Prepared statements basically work like this: Prepare: An SQL statement template is created and sent to the database. The database parses, compiles, and performs query optimization on the SQL statement template, and stores the result without executing it

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