- What is DDL in SQL?
- How do you run a loop in SQL?
- How do you print a query?
- Which is not an SQL command?
- How do I view DDL in SQL Developer?
- How do I set up Serveroutput?
- What Cannot have a trigger associated with it?
- What is spool command?
- How do I save output in SQL Developer?
- How do I write a script in Oracle SQL Developer?
- How do you view view in SQL Developer?
- How do I print a row in SQL?
- How do I enable server output in SQL Developer?
- How do you print output in SQL?
What is DDL in SQL?
The DDL commands in SQL are used to create database schema and to define the type and structure of the data that will be stored in a database..
How do you run a loop in SQL?
I am detailing answer on ways to achieve different types of loops in SQL server.FOR Loop. DECLARE @cnt INT = 0; WHILE @cnt < 10 BEGIN PRINT 'Inside FOR LOOP'; SET @cnt = @cnt + 1; END; PRINT 'Done FOR LOOP';DO.. WHILE Loop. ... REPEAT..UNTIL Loop.
How do you print a query?
To print query results on your default printer:Select Reporting Tools > Query > Query Manager.Click the Search button, and then click either the HTML or Excel links.Click the Print button or select File, Print.
Which is not an SQL command?
The SQL NOT condition (sometimes called the NOT Operator) is used to negate a condition in the WHERE clause of a SELECT, INSERT, UPDATE, or DELETE statement.
How do I view DDL in SQL Developer?
You can right-mouse-click on an object and choose ‘DDL Preview,’ or you can use the keyboard shortcut, Alt+Shift+I.
How do I set up Serveroutput?
So go to Menu View–> dbms output. Click on Icon Green Plus and select your schema. Run your sp now. SET SERVEROUTPUT ON; BEGIN FOR rec in (SELECT * FROM EMPLOYEES) LOOP DBMS_OUTPUT.
What Cannot have a trigger associated with it?
Since triggers execute as part of a transaction, the following statements are not allowed in a trigger:All create commands, including create database, create table, create index, create procedure, create default, create rule, create trigger, and create view.All drop commands.alter table and alter database.More items…
What is spool command?
Answer: The SPOOL command causes SQL*Plus to write the results to a file on the operating system. SQL> spool /tmp/myfile.lst. Once spool is set, SQL*Plus will continue to spool the output until the command SPOOL OFF. Note that the file cannot be seen or used until the SPOOL OFF command.
How do I save output in SQL Developer?
Steps to export query output to Excel in Oracle SQL DeveloperStep 1: Run your query. To start, you’ll need to run your query in SQL Developer. … Step 2: Open the Export Wizard. … Step 3: Select the Excel format and the location to export your file. … Step 4: Export the query output to Excel.
How do I write a script in Oracle SQL Developer?
To create an SQL script in the Script Editor:On the Workspace home page, click SQL Workshop and then SQL Scripts. The SQL Scripts page appears.Click the Create button. … In Script Name, enter a name for the script. … Enter the SQL statements, PL/SQL blocks you want to include in your script. … Click Create.
How do you view view in SQL Developer?
To display views:In the Connections navigator in SQL Developer, navigate to the Views node for the schema that includes the view you want to display. If the view is in your own schema, navigate to the Views node in your schema. … Open the Views node. … Click the name of the view that you want to display.
How do I print a row in SQL?
Print all row values from any table using SQLDECLARE @tableName VARCHAR(100)DECLARE @whereClause VARCHAR(100)SET @tableName = ‘Customers’SET @whereClause = ‘WHERE id = 999’DECLARE @TABLE TABLE(id INT IDENTITY(1, 1), name VARCHAR(100))INSERT INTO @TABLE (name)SELECT name FROM sys. columns WHERE object_id = OBJECT_ID(@tableName)DECLARE @i INT.More items…•
How do I enable server output in SQL Developer?
In SQL Developer, you’d go to View | DBMS Output to enable the DBMS Output window, then push the green plus icon to enable DBMS Output for a particular session. Ensure that you have your Dbms Output window open through the view option in the menubar. Click on the green ‘+’ sign and add your database name.
How do you print output in SQL?
10 Answers Declare @SumVal int; Select @SumVal=Sum(Amount) From Expense; Print @SumVal; You can, of course, print any number of fields from the table in this way. Of course, if you want to print all of the results from a query that returns multiple rows, you’d just direct your output appropriately (e.g. to Text).