Free Huawei H13-922 Exam Dumps Questions & Answers

Which of the following types of indexes only supports equivalence queries?

• A.  Btree index
• B.  Hsah Index
• C.  Gist index
• D.  Gin index

Which of the following functions cannot be implemented by PostGIS?

• A.  Multipoint distance calculation
• B.  Polygon creation
• C.  Raster data processing
• D.  Geographic coordinate system settings

(Multiple choice) What input file formats does Migration Tool currently support?

• A.  txt
• B.  perl
• C.  sql
• D.  csv

Which of the TOAST data storage strategies allow compression?

• A.  EXTENDED (x)
• B.  MAIN (m)
• C.  PLAIN (p)
• D.  EXTERNAL (e)

(Judgment) Window functions are used with the OVER statement. The OVER statement is used to group data and sort elements in the group; window functions are used to generate sequence numbers for the values in the group.

• A.  TRUE
• B.  FALSE