Toad Interview Questions
An Overview of TOAD
TOAD (Tools for Oracle Application Development) is a widely known tool for Oracle and other database management. TOAD is used for scalability management. TOAD is now a fully commercial database management system.
All the questions related to TOAD will be answered in the TOAD interview questions mentioned below.
Development History
Jim McDaniel developed TOAD. It started as an individual tool which was later shared with other users. When tool users grew in no small number, maintenance became difficult. Quest Software now manages it as part of their product portfolio.
Advantages of Toad
- Connection Manager – Toad allows users to connect natively to the database of the vendor whether DbaaS. Or on-premise
- Unit Testing (Oracle)- Ensures that code is functionally tested before the code is released into the production.
- Scalability testing and database workload replay- Ensures that database code and SQL is scaled correctly before it gets released into the production.
- SQL Optimization- Assist developers with a way to tune and optimize the SQL statements and also a database code without relying on a DBA.
- Editor- A way to create and also maintain the scripts and the database code with debugging and integration with the source control.
- Browser - Toad allows users to browse all the various database/schema objects and their properties effective management.
Latest versions
There are various versions of TOAD depending on the database it is used for.
- TOAD for Oracle 13.10
- TOAD DevOps Toolkit 1.2.0
- TOAD for SQL Server 6.8.2
- TOAD for IBM DB2 6.5
- TOAD for SAP solutions 3.2.0
There are many more versions depending on each database company decides to support. The above list is not exhaustive.
Most Frequently Asked Toad Interview Questions And Answers With Examples:
- What is a Toad?
- What is the use of Toad for Oracle?
- How to install Toad for SQL Server?
- Explain the difference between the database tools: TOAD and SQL Developer?
- What are the advantages of Toad?
- How do I debug in Toad?
- How do I enable Toggle Compiling with Debug in Toad?
- How do I run a procedure in Toad?
- How do I edit a procedure in Toad?
- How do I open a package in Toad?
TOAD (Tools for Oracle Application Development) is a set of business intelligence tools. TOAD is used with windows platform to run Oracle database related queries, to manage the performance of databases. TOAD is owned by Quest Software. TOAD is also used with DB2, SQL server, and even MYSQL.
Following are uses of TOAD for Oracle:
- Allows running PL/SQL unit test with direct execution. This results in fewer defects in production.
- Two hundred rules help developers to write better code with consistent quality and long term maintainability.
- TOAD allows alternative writing for SQL so it is tuned and performance gains are achieved.
System Requirements To install the TOAD, client and database requirements has to be taken care of.
Client Requirements
- Before installing the TOAD make sure that the client system matches the minimum hardware and the software requirements. Some of the client requirements are:-
- 2GHz processor
- Minimum 4GB RAM but 16GB is recommended
- Hard disk space has to be of minimum 104 MB to run the Toad software which varies depending upon the edition of the TOAD
- OS has to be either 32-bit or 64-bit Windows Vista® Service Pack 2 or Windows Server® 2008 Service Pack 2 etc
Server Requirements D
- atabase Server:-SQL Server 2005 (Service Pack 2 or later), SQL Server 2005 Express, SQL Server 2008 and SQL Server 2008 Express etc
- Cloud Database Service:-SQL Azure
User Requirements
- Windows Administrators and Power Users can only install the Toad.
INSTALL TOAD
- Step 1:-Run the installer of the TOAD
- Step 2:-Now Accept the license agreement
- Step 3:-Choose the products that you would like to install and then click Install.
| S.no | TOAD | SQL Developer |
|---|---|---|
| 1. | Friendly and easy to use | Not friendly and difficult to use as compared to TOAD |
| 2. | Has DBA tools | Does not have DBA tools |
Some of the advantages of toad are:-
- Connection Manager – Toad allows users to connect natively to the database of the vendor whether DbaaS. Or on-premise
- Browser - Toad allows users to browse all the various database/schema objects and their properties effective management.
- Editor- A way to create and also maintain the scripts and the database code with debugging and integration with the source control.
- Unit Testing (Oracle)- Ensures that code is functionally tested before the code is released into the production.
- SQL Optimization- Assist developers with a way to tune and optimize the SQL statements and also a database code without relying on a DBA. An advanced optimization enables DBAs to tune the SQL effectively in production.
- Scalability testing and database workload replay- Ensures that database code and SQL is scaled correctly before it gets released into the production.
You can debug the stored procedure in Toad by following the below steps:-
- Step 1: -First load your Procedure in the Toad Editor.
- Step 2: -Now put debug point on the line where you want to debug. Now see the first screenshot.
- Step 3: -Then right click on the editor Execute->Execute PLSQL(Debugger). Now see the second screenshot.
- Step 4: - A window will open up, and you have to select the procedure from the left-hand side and pass the parameters for that procedure and then click Execute. Now see the third screenshot.
- Step 5: - Start your debugging check now Debug-->Step Over...Add Watch etc.
This is one of the most asked TOAD interview questions.
You can run or execute a procedure in Toad for Oracle by following the below steps:-
- Step 1:-Open the Toad for Oracle.
- Step 2:-Link to the Database.
- Step 3:-In Toad, click on the menu Database > Schema Browser.
- Step 4:- Now in the Schema Browser, click on the drop-down menu or Procedures Tab.
- Step 5:-Then the complete list of procedures will be displayed. Now choose the Procedure you want to execute and then do the right click on it.
- Step 6:-Then from the shortcut menu, choose Execute Procedure to execute or run the procedure.
- Step 7:- A pop-up window will come up on the screen.
- Step 8:- Now set the value of the parameter in the arguments section or directly placed into the code section below. For example, for parameter P_EMPNO define a number value instead of NULL.
- Step 9:-Then click on OK to run or execute. You can copy the code which is displayed in the Code section of the window and then paste it into the SQL editor and then perform.
You can edit a stored procedure in Toad for Oracle by following the below steps:-
- Step 1:-In Toad, click on the menu Database > Schema Browser.
- Step 2:- Now select the Procedure from the Tab (if a Schema Browser is configured as Tab) or from the drop-down menu.
- Step 3:-Then the complete list of procedures will be displayed for the current user. Now choose a stored procedure and then do the right click on it.
- Step 4:-Then from the shortcut menu click on the Load in the editor option.
- Step 5:-Stored procedure which was selected will load in an editor, where you can do the editing and after doing the editing press F8 or F9 for compiling the procedure in Toad.
This is one of the favorite questions in TOAD interview Questions.
You can open a package in Toad for Oracle by following the below steps:-
- Step 1:-In Toad, click on the menu Database > Schema Browser.
- Step 2:-The window of schema browser will open, and then you can choose the Packages from the Tab or the drop-down menu
- Step 3:-Now the complete list of packages will be displayed. You can select the package you want to open and then do the right click on it.
- Step 4:-Then from the shortcut menu, click on the Load in Editor > then select any one of the following (Load Body Only, Load Both, Load Spec Only).
- Step 5:-Then according to your choice the package will be open in the editor. There you can also make the changes.