S2 Databases
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| Database | An organised collection of information
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| Manual database | Database stored on paper
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| Computerised database | Database store on a computer
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| Advantages of a computerised database | Fast searching and sorting and security and backup procedures
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| Examples of computerised databases | Facebook, , Google, Amazon, iTunes
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| Record | A collection of fields that appear as a row in a database or table.
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| Field | A single piece of information in a database
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| Search | To select certain records that match criteria
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| Sort | To reorder a database
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| Ascending | From low to high or alphabetical order
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| Descending | From high to low or anti-alphabetical order
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| Text | A database field type that contains characters, numbers and symbols eg. postcode
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| Number | A database field type that contains whole numbers or decimal numbers eg. 12, 13.1
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| Date/time | A database field type that contains dates and times eg. 12/4/2013, 12 Apr 13, 3:11:12
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
gtennet