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Chapter 19 minor updates

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anthonydb 2021-04-26 07:08:35 -04:00
parent c73941206c
commit 73ff1d8900
1 changed files with 7 additions and 11 deletions
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18
Chapter_19/Chapter_19.sql
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@ -1,15 +1,9 @@
-- FIRST EDITION FILE; IGNORE ---------------------------------------------------------------------------
-- Practical SQL: A Beginner's Guide to Storytelling with Data, 2nd Edition
--------------------------------------------------------------
-- Practical SQL: A Beginner's Guide to Storytelling with Data
-- by Anthony DeBarros -- by Anthony DeBarros
-- Chapter 19 Code Examples -- Chapter 19 Code Examples
-------------------------------------------------------------- ----------------------------------------------------------------------------
-- VACUUM -- VACUUM
@ -88,6 +82,8 @@ SELECT pg_size_pretty(
SHOW config_file; SHOW config_file;
-- Listing 19-9: Sample postgresql.conf settings (see book for listing)
-- Listing 19-10: Show the location of the data directory -- Listing 19-10: Show the location of the data directory
SHOW data_directory; SHOW data_directory;
@ -100,10 +96,10 @@ SHOW data_directory;
-- BACKUP AND RESTORE -- BACKUP AND RESTORE
-- Listing 19-11: Backing up the analysis database with pg_dump -- Listing 19-11: Backing up the analysis database with pg_dump
pg_dump -d analysis -U [user_name] -Fc > analysis_backup.sql pg_dump -d analysis -U [user_name] -Fc -v > analysis_backup.sql
-- Back up just a table -- Back up just a table
pg_dump -t 'train_rides' -d analysis -U [user_name] -Fc > train_backup.sql pg_dump -t 'train_rides' -d analysis -U [user_name] -Fc -v > train_backup.sql
-- Listing 19-12: Restoring the analysis database with pg_restore -- Listing 19-12: Restoring the analysis database with pg_restore