A database is a structured set of data stored electronically. The concept of a database was known to our ancestors even when there were no computers. However, creating and maintaining such databases was a very tedious job. For instance, in a manual database of 100 pages, searching for all...
Indexes. They're one of the most powerful and misunderstood aspects of SQL performance. In this post we'll look at the purpose of an index, how to create and choose choose your index type. Then finish with a discussion of how to decide what to index and
Here is a quick guide showing you how to connectSQL Developerrunning on your computer to aBase Database Servicein Oracle Cloud Infrastructure. The Base Database Service does not allow connections from theoutsideexcept SSH. So, you can use an SSH tunnel. Create SSH Connection First, y...
You can create a new database with the help of the CREATE DATABASE command: To connect to a specific MySQL database and work with it, execute the USE database command and specify the name of the database you want to access: You can create a new table and then populate it with data...
Add wallet location in the server and the client network files Add TCPS endpoint to the database listener Create wallets with self-signed certificates for server and client As part of enabling TCPS authentication, we need to create individual wallets for the ...
Go to the database whose data you want to export in CSV. Here, the SQL database name is ‘testing’ that consist of a table named as ‘Example1’. You can first view its data as shown in the screenshot.Now, right-click on ‘testing’ database and click on Tasks to export table ...
Oracle Database Cloud Schema Service - Version N/A and later Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later Information in this document applies to any platform. GOAL How to reload DATAPUMP utility? This may be required in different situations...
Whenever a certain action is performed at the front end of an application, a corresponding CRUD (Create, Retrieve, Update and Delete) action gets invoked at the back end. A tester will have to check if the right action is invoked and whether the invoked action in itself is successful or ...
To define asavepointin a transaction, use theSAVEPOINTcommand. The following statement creates the savepoint namedADD_EMP1in the current transaction: SAVEPOINT Add_emp1; If you create a second savepoint with the same identifier as an earlier savepoint, the earlier savepoint is erased. After creati...
If you are connecting your dBASE Plus application to an SQL database, you need to configure your SQL Links Driver and BDE to access your SQL database. In this procedure, you create an alias that BDE uses to locate the SQL database. You then add this alias to the Database object on ...