How do I format a column in SQL Plus?

How do I format a column in SQL Plus?

The SQL*Plus COLUMN command is used to change the appearance of the data returned for a given column using the following syntax: COLUMN column_name option1 option2 Once set, the SQL*PLUS COLUMN command will format any column of the specified name until it is unset with the CLEAR COLUMNS command.

How do I remove spaces from a spooler?

Try this options : SET TRIMSPOOL ON otherwise every line in the spoolfile is filled up with blanks until the linesize is reached. SET TRIMOUT ON otherwise every line in the output is filled up with blanks until the linesize is reached. SET WRAP OFF Truncates the line if its is longer then LINESIZE.

Does alter table need commit?

ALTER FUNCTION , CREATE FUNCTION and DROP FUNCTION also cause an implicit commit when used with stored functions, but not with loadable functions. ( ALTER FUNCTION can only be used with stored functions.) CREATE TABLE and DROP TABLE statements do not commit a transaction if the TEMPORARY keyword is used.

What is column width in SQL?

Default Display. A NUMBER column’s width equals the width of the heading or the width of the FORMAT plus one space for the sign, whichever is greater. If a number is larger than the value of SET NUMWIDTH, SQL*Plus rounds the number up or down to the maximum number of characters allowed.

How can remove space from column in Oracle?

The Oracle TRIM function is used to remove all leading or trailing characters (or both) from a character string. If trim_character or trim_source is a character literal, then it is necessary to enclose it in single quotation marks. When no trim_character is specified, then the default value is a blank space.

Do we need to commit after drop index?

2 Answers. In PostgreSQL, all DDL commands are transactional. So if you start a transaction block, or your driver starts a transaction block for you, or your driver is not in autocommit mode, you need to commit all DDL commands, just like other SQL commands.

Can you rollback alter table?

I am sorry to have to inform you, but ALTER TABLE cannot be rolled back. In fact, ALTER TABLE triggers an implicit commit. In your case, the ALTER TABLE will either finish or you will have a temp table left hanging around. In either case, it will not be a rollback in a transactional sense.

Why is sqlplus trimming my results into columns?

What could be wrong? and we said… It is trimming it — its just that sqlplus formats the results into columns based on their widths. sqlplus is a reporting tool — it likes to print things “pretty”. Is this answer out of date?

How to set the size of a column in SQL Server?

Easiest would be to use the column format command and also the linesize option. sql>column column_name format a30 sql> set linesize 300 The column command would make the display limited to 30 chars only. Also the linesize would widen the display.

How to make SQL*Plus auto-adjust column width to text width?

No, there is no simple way to make SQL*Plus “auto-adjust” column width to text width. However, scripting can make your life easier. First of all, reduce typing. Don’t do SET COLUMN FORENAME FORMAT A10, do something like @c forename 10 instead.

How do I trim a column in a column array?

If you want to do the trimming in SQL, you might try dynamic SQL. SELECT ‘SELECT’ FROM dual UNION ALL SELECT ‘trim(‘ ||column_name || ‘),’