32 lines
1.2 KiB
Markdown
32 lines
1.2 KiB
Markdown
---
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layout: article
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title: MPE_DATACATALOG_VARS
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description: The MPE_DATACATALOG_VARS table catalogs variable attributes such as primary key status, not null constraints and index usage.
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---
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# MPE_DATACATALOG_VARS
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The `MPE_DATACATALOG_VARS` table catalogs variable attributes such as primary key status, not null constraints and index usage.
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To trigger a scan, see the Refresh Data Catalog [instructions](https://docs.datacontroller.io/admin-services/#refresh-data-catalog).
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## Columns
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- `TX_FROM num`: SCD2 open datetime
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- 🔑 `TX_TO num`: SCD2 close datetime
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- 🔑 `LIBREF char(8)`: SAS Libref (8 chars)
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- 🔑 `DSN char(64)`: The library member name
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- 🔑 `NAME char(64)`: The variable name
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- `MEMTYPE char(8)`: The member type
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- `TYPE char(16)`: The column type
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- `LENGTH num`: The column length
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- `VARNUM num`: The column position in the table
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- `LABEL char(256)`: The column label
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- `FORMAT char(49)`: The SAS format associated with the column
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- `IDXUSAGE char(9)`: The column index type
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- `NOTNULL char(3)`: The NOT NULL status
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- `PK_IND num`: A flag to say whether the column is part of the primary key (1=PK, 0=Not PK). A Primary key column is identified by being in a constraint (or index) that is both UNIQUE and NOT NULL.
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