What are SQL Plus commands?
SQL*Plus commands allow a user to manipulate and submit SQL statements. Specifically, they enable a user to: Enter, edit, store, retrieve, and run SQL statements. List the column definitions for any table.
What is SQL Plus explain features of SQL Plus?
SQL*Plus is an interactive and batch query tool that is installed with every Oracle Database Server or Client installation. It has a command-line user interface, a Windows Graphical User Interface (GUI) and the iSQL*Plus web-based user interface. … Format, perform calculations on, store, and print from query results.
Which is iSQL * Plus command?
iSQL*Plus enables you to use a web browser to connect to Oracle9i and perform the same actions as you would through the command line version of SQL*Plus (known as SQL*Plus in this guide). You can use iSQL*Plus to write SQL*Plus, SQL and PL/SQL commands to: Enter, edit, run and save SQL commands and PL/SQL blocks.
What are the DML commands?
Some commands of DML are:
- SELECT – retrieve data from the a database.
- INSERT – insert data into a table.
- UPDATE – updates existing data within a table.
- DELETE – deletes all records from a table, the space for the records remain.
- MERGE – UPSERT operation (insert or update)
- CALL – call a PL/SQL or Java subprogram.
What is difference between SQL and SQL * Plus?
SQL is the query language used for communication with Oracle server to access and modify the data. SQL* Plus is a command line tool with which you can send SQL queries to the server. Also, it can help you format the query result. … SQL * Plus is a tool to use SQL language for a database from Oracle corporation.
Why we use SQL Plus?
SQL*Plus enables you to manipulate SQL commands and PL/SQL blocks, and to perform many additional tasks as well. Through SQL*Plus, you can: enter, edit, store, retrieve, and run SQL commands and PL/SQL blocks. format, perform calculations on, store, and print query results in the form of reports.
What is the purpose of SQL Plus?
SQL*Plus has its own commands and environment, and it provides access to the Oracle Database. It enables you to enter and execute SQL, PL/SQL, SQL*Plus and operating system commands to perform the following: Format, perform calculations on, store, and print from query results. Examine table and object definitions.
What are the features of SQL?
Features of Structured Query Language (SQL)
- Data Definition language (DDL): It contains of commands which defines the data. …
- Data Manipulation Language (DML): …
- Triggers: …
- Client server execution and remote database access: …
- Security and authentication: …
- Embedded SQL: …
- Transaction Control Language: …
- Advanced SQL:
How do I query in SQL Plus?
Running SQL Commands
- At the command prompt, enter the first line of the command: SELECT EMPLOYEE_ID, LAST_NAME, JOB_ID, SALARY. If you make a mistake, use Backspace to erase it and re-enter. …
- SQL*Plus will display a “2”, the prompt for the second line. Enter the second line of the command:
How do I find my SQL Plus username and password?
- Open your SQL command line and type the following: SQL> connect / as sysdba.
- Once connected,you can enter the following query to get details of username and password: …
- This will list down the usernames,but passwords would not be visible.
Is SQL * Plus free?
You have two options for that: Download the Instant Client package: Free tools and libraries for connecting to Oracle Database If all you need is SQLPLUS, you need the BASIC (or BASIC-LIGHT) and SQL*PLUS packages. They are available both for 32 and 64-bit Windows.