diff options
Diffstat (limited to 'app/services/help-service.ts')
| -rw-r--r-- | app/services/help-service.ts | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/app/services/help-service.ts b/app/services/help-service.ts index 6067b05..532d694 100644 --- a/app/services/help-service.ts +++ b/app/services/help-service.ts @@ -26,5 +26,8 @@ export var NODE_DESCRIPTIONS = { from the index and do not read from the corresponding table.`, 'BITMAP HEAP SCAN': 'searches through the pages returned by the <strong>Bitmap Index Scan</strong> for relevant rows.', 'BITMAP INDEX SCAN': `uses a <strong>Bitmap Index</strong> (index which uses 1 bit per page) to find all relevant pages. - Results of this node are fed to the <strong>Bitmap Heap Scan</strong>.` + Results of this node are fed to the <strong>Bitmap Heap Scan</strong>.`, + 'CTE SCAN': `performs a sequential scan of <strong>Common Table Expression (CTE) query</strong> results. Note that + results of a CTE are materialized (calculated and temporarily stored).` + }; |