Database Systems - Important Concepts
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Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
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Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
( ! ) Warning: Undefined array key "vote" in /home/hsntest/includes/class/pres/course.pres on line 311
Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
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Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
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Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
( ! ) Warning: Undefined variable $html in /home/hsntest/includes/class/pres/course.pres on line 436
Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
6 0.0223 1457976 presCourse->unrated_stars( $item_id = '31020' , $tosubmit = TRUE , $foradd = ??? ) .../course.pres: 324
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Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
( ! ) Warning: Undefined variable $html in /home/hsntest/includes/class/pres/course.pres on line 418
Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126
5 0.0220 1457880 presCourse->personal_rating_tosubmit( $object = ['id' => '31020'] , $change_sep = '' ) .../download.php: 19
6 0.0224 1459416 presCourse->rated_stars( $item_id = '31020' , $number = NULL ) .../course.pres: 334
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Details
Defines and explains some of the critical ideas in the Database Systems unit. The concepts covered are particularly important for an understanding of normalisation.
These notes are intended for use with Normalising to First Normal Form .
Credit
Higher Still Notes
Disclaimer
While every effort is made to ensure that the content of this release is accurate, Higher Still Notes
does not accept liability for any problems which may arise from inaccuracies in this release.
By downloading this release, you confirm that you have read the disclaimer .
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Call Stack
# Time Memory Function Location
1 0.0005 442720 {main}( ) .../resources: 0
2 0.0215 1415152 hsnPage->outputFullPage( ) .../resources: 326
3 0.0217 1439456 include( '/home/hsntest/includes/page/hsn2.1.tpl ) .../hsnPage.class: 518
4 0.0218 1457344 include( '/home/hsntest/includes/body/course/download.php ) .../hsn2.1.tpl: 126