equal
deleted
inserted
replaced
10 ====== |
10 ====== |
11 |
11 |
12 http://www.codinghorror.com/blog/2007/10/a-visual-explanation-of-sql-joins.html |
12 http://www.codinghorror.com/blog/2007/10/a-visual-explanation-of-sql-joins.html |
13 A Visual Explanation of SQL Joins. |
13 A Visual Explanation of SQL Joins. |
14 |
14 |
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15 Primary key length. |
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16 =================== |
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17 |
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18 For ``int`` type (32-bit): ``NUMBER(9)``. |
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19 |
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20 Oracle allow up to 38 significant digits in ``NUMBER`` and up to 28 digits in |
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21 ``SEQUENCE``. |
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22 |
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23 http://docs.oracle.com/cd/B28359_01/server.111/b28318/datatype.htm |
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24 Oracle Data Types |
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25 http://docs.oracle.com/cd/B28359_01/server.111/b28286/statements_6015.htm |
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26 CREATE SEQUENCE. |