Create system-database.md #201
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QueenyJin
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Sep 26, 2017
sql/system-database.md
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| category: user guide | ||
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| The TiDB System Database is similar to MySQL, which contains tables that store information required by the server as it runs. |
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as -> when. MySQL uses "as" but it is not a good usage because "as" has other meanings.
QueenyJin
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Sep 26, 2017
sql/system-database.md
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| ### Grant System Tables | ||
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| These system tables contain grant information about user accounts and the privileges held by them: |
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the privileges held by them -> their privileges
QueenyJin
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Sep 26, 2017
sql/system-database.md
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| ### Statistics System Tables | ||
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| - `stats_buckets`: the buckets of statistics information |
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statistics information -> statistics
QueenyJin
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Sep 26, 2017
sql/system-database.md
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| ### Statistics System Tables | ||
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| - `stats_buckets`: the buckets of statistics information | ||
| - `stats_histograms`: the histograms of statistics information |
QueenyJin
reviewed
Sep 26, 2017
sql/system-database.md
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| - `stats_buckets`: the buckets of statistics information | ||
| - `stats_histograms`: the histograms of statistics information | ||
| - `stats_meta`: the meta information of tables, such as the total number of rows and modifications |
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modifications -> updated rows.
QueenyJin
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Sep 26, 2017
sql/system-database.md
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| ### Miscellaneous System Tables | ||
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| - `GLOBAL_VARIABLES`: global system variable tables |
QueenyJin
reviewed
Sep 27, 2017
sql/system-database.md
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| - `stats_buckets`: the buckets of statistics | ||
| - `stats_histograms`: the histograms of statistics | ||
| - `stats_meta`: the meta information of tables, such as the total number of rows and updated rows | ||
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| ### GC Worker System Tables | ||
| ## GC Worker System Tables | ||
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| - `gc_delete_range` |
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From:maokangli: 记录了一些待删除的数据
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Please add the doc to the readme file |
QueenyJin
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Sep 27, 2017
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PTAL