SELECT Reference - Revision history

150.101.214.82: Revert vandalisms

2013-04-13T10:11:06Z

Revert vandalisms

2013-04-08T10:03:25Z

2013-01-09T11:13:09Z

2012-12-31T11:00:05Z

2012-12-12T05:41:10Z

Replaced content with "CREATE TABLE test_image ( ID NUMBER, image_filename VARCHAR2(50), image BLOB );"

2012-10-19T10:39:34Z

2012-08-11T10:15:04Z

2012-08-11T10:14:05Z

2012-08-11T10:12:25Z

2012-08-11T10:12:05Z

← Older revision		Revision as of 10:11, 13 April 2013
Line 1:		Line 1:
−	~~SET ESCAPE~~ '\'	+	{{SELECT Ref}}
−	SELECT '~~\&abc~~' ~~FROM dual;~~	+	The [[SELECT]] command is used to show data from a database.
		+
		+	The output from a SELECT statement is always a grid - with a number of rows and a number of columns.
		+	==Simple SELECT==
		+	The simplest SELECT commands involve a single table:
		+	<table>
		+	<tr><th>SQL</th><th>Result</th></tr>
		+	<tr><td>
		+	<source lang='sql'>
		+	SELECT name, population
		+	FROM bbc
		+	WHERE region='North America'
		+	</source>
		+	</td><td>
		+	<table class="sqlmine"><tr><th>name</th><th>population</th></tr><tr><td>Canada</td><td class="r">32000000</td></tr><tr><td>Mexico</td><td class="r">106400000</td></tr><tr><td>United States of America</td><td class="r">295000000</td></tr></table>
		+	</td></tr></table>
		+	*The SELECT line determines which columns to show - in this case <code>name</code> and <code>population</code>, both of which are columns of the bbc table.
		+	*The WHERE clause determines which rows to show
		+
		+	The SELECT statement may involve data from more than one table using a [[JOIN]] or a [[UNION]].
		+
		+	SELECT statements may nested - that is the output from one SELECT may be the input to another SELECT.
		+
		+	The output from a SELECT may be added to another table using [[INSERT .. SELECT]]

← Older revision		Revision as of 10:03, 8 April 2013
Line 1:		Line 1:
−	~~CREATE TABLE emp (ID NUMBER, name VARCHAR2(40))~~;	+	SET ESCAPE '\'
		+	SELECT '\&abc' FROM dual;

← Older revision		Revision as of 11:13, 9 January 2013
Line 1:		Line 1:
−	CREATE TABLE emp (ID NUMBER, name VARCHAR2(50));	+	CREATE TABLE emp (ID NUMBER, name VARCHAR2(40));

@@ Line 1: / Line 1: @@
-{{SELECT Ref}}
+CREATE TABLE test_image
-The [[SELECT]] command is used to show data from a database.
+ ID NUMBER,
-The output from a SELECT statement is always a grid - with a number of rows and a number of columns.
+  image_filename VARCHAR2(50),
-==Simple SELECT==
+ image BLOB
-The simplest SELECT commands involve a single table:
+ );
-<table>
-<tr><th>SQL</th><th>Result</th></tr>
-<tr><td>
-<source lang='sql'>
-SELECT name, population
-  FROM bbc
-  WHERE region='North America'
-</source>
-</td><td>
-<table class="sqlmine"><tr><th>name</th><th>population</th></tr><tr><td>Canada</td><td class="r">32000000</td></tr><tr><td>Mexico</td><td class="r">106400000</td></tr><tr><td>United States of America</td><td class="r">295000000</td></tr></table>
-</td></tr></table>
-*The SELECT line determines which columns to show - in this case <code>name</code> and <code>population</code>, both of which are columns of the bbc table.
-*The WHERE clause determines which rows to show
-−
-The SELECT statement may involve data from more than one table using a [[JOIN]] or a [[UNION]].
-−
-SELECT statements may nested - that is the output from one SELECT may be the input to another SELECT.
-−
-The output from a SELECT may be added to another table using [[INSERT .. SELECT]]

@@ Line 16: / Line 16: @@
 <table class="sqlmine"><tr><th>name</th><th>population</th></tr><tr><td>Canada</td><td class="r">32000000</td></tr><tr><td>Mexico</td><td class="r">106400000</td></tr><tr><td>United States of America</td><td class="r">295000000</td></tr></table>
 </td></tr></table>
-*The SELECT line determines which columns to show - in this case <code>name</code> and <code>population</code>, both of which are columns of the bbc ta le.
+*The SELECT line determines which columns to show - in this case <code>name</code> and <code>population</code>, both of which are columns of the bbc table.
 *The WHERE clause determines which rows to show

← Older revision		Revision as of 10:12, 11 August 2012
Line 18:		Line 18:
	SELECT statements may nested - that is the output from one SELECT may be the input to another SELECT.		SELECT statements may nested - that is the output from one SELECT may be the input to another SELECT.

−	The output from a SELECT may be added to another table using [[INSERT..SELECT]]	+	The output from a SELECT may be added to another table using [[INSERT .. SELECT]]