29 lines
1.3 KiB
Markdown
29 lines
1.3 KiB
Markdown
---
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layout: article
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title: MPE_DATACATALOG_TABS
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description: The MPE_DATACATALOG_TABS table catalogs attributes such as number of variables, compression status, and primary key fields.
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---
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# MPE_DATACATALOG_TABS
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The `MPE_DATACATALOG_TABS` table catalogs attributes such as number of variables, compression status, and primary key fields.
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More frequently changing attributes (such as size modification date and number of observations) are stored in [MPE_DATASTATUS_TABS](/mpe_datastatus_tabs).
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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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- `MEMTYPE char(8)`: The member type
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- `DBMS_MEMTYPE char(32)`: The DBMS Member Type
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- `MEMLABEL char(512)`: The Data Set Label
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- `TYPEMEM char(8)`: The Data Set Type
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- `NVAR num`: The number of variables
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- `COMPRESS char(8)`: The compression routine
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- `PK_FIELDS char(512)`: The list of primary key fields. These are deduced from the table constraints. A Primary key column is identified by being in a constraint (or index) that is both UNIQUE and NOT NULL.
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