How To Set Up SQL*Plus Output Format

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How To Set Up SQL*Plus Output Format? - Oracle DBA FAQ - Understanding SQL DML Statements

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If you want to practice SQL statements with SQL*Plus, you need to set up your SQL*Plus output formatting parameter properly. The following SQL*Plus commands shows you some examples:

COLUMN id FORMAT 9999;
COLUMN url FORMAT A24;
COLUMN notes FORMAT A12;
COLUMN counts FORMAT 999999;
SET NULL 'NULL';

2007-04-22, 5470👍, 0💬

How To Set Up SQL*Plus Output Format
How To Set Up SQL*Plus Output Format? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to practice SQL statements with SQL*Plus, you need to set up your SQL*Plus output formatting parameter properly. The following SQL*Plus commands shows you some examples: COLUMN id FORMAT 9999; COLUM... 2007-04-22, 5471👍, 0💬

How To Specify Default Values in INSERT Statement
How To Specify Default Values in INSERT Statement? - Oracle DBA FAQ - Understanding SQL DML Statements If a column is defined with a default value in a table, you can use the key word DEFAULT in the INSERT statement to take the default value for that column. The following tutorial exercise gives a g... 2007-04-21, 5402👍, 0💬

How To Update Values in a Table
How To Update Values in a Table? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to update some values in one row or multiple rows in a table, you can use the UPDATE statement. The script below shows a good example: UPDATE fyi_links SET counts = 999, notes = 'Good site.' WHERE id = 1... 2007-04-21, 5358👍, 0💬

What Are DML Statements
What Are DML Statements? - Oracle DBA FAQ - Understanding SQL DML Statements DML (Data Manipulation Language) statements are statements to change data values in database tables. The are 3 primary DML statements: INSERT - Inserting new rows into database tables. UPDATE - Updating existing rows in dat... 2007-04-22, 5338👍, 0💬

How To Create a Testing Table
How To Create a Testing Table? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to practice DML statements, you should create a testing table as shown in the script below: CREATE TABLE fyi_links (id NUMBER(4) PRIMARY KEY, url VARCHAR2(80) NOT NULL, notes VARCHAR2(1024), counts NUMBER,... 2007-04-22, 5193👍, 0💬

How To Omit Columns with Default Values in INSERT Statement
How To Omit Columns with Default Values in INSERT Statement? - Oracle DBA FAQ - Understanding SQL DML Statements If you don't want to specify values for columns that have default values, or you want to specify values to columns in an order different than how they are defined, you can provide a colum... 2007-04-21, 5136👍, 0💬

How To Drop an Index
How To Drop an Index? - Oracle DBA FAQ - Understanding SQL DDL Statements If you don't need an existing index any more, you should delete it with the DROP INDEX statement. Here is an example SQL script: CREATE TABLE student (id NUMBER(5) PRIMARY KEY, first_name VARCHAR(80) NOT NULL, last_name VARCHA... 2007-04-22, 5135👍, 0💬

How To Create a New View
How To Create a New View? - Oracle DBA FAQ - Understanding SQL DDL Statements You can create a new view based on one or more existing tables by using the CREATE VIEW statement as shown in the following script: CREATE VIEW employee_department AS SELECT e.employee_id, e.first_name, e.last_name, e.emai... 2007-04-22, 5114👍, 0💬

How To Insert a New Row into a Table
How To Insert a New Row into a Table? - Oracle DBA FAQ - Understanding SQL DML Statements To insert a new row into a table, you should use the INSERT INTO statement with values specified for all columns as shown in the following example: INSERT INTO fyi_links VALUES (101, 'http://dev.fyicenter.com',... 2007-04-21, 5113👍, 0💬

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