PostgreSQL 小课持续更新中

基于 PostgreSQL 16.x 版本。目前的进度如下：

(venv311) ➜  mypostgres git:(dev) ✗ sh scripts/word_statistics_pg_style.sh Filename                                           | Chinese    | English    | Total      
----------------------------------------------------+------------+------------+------------00-pg-introduction.md                              | 3254       | 176        | 3430       01-install-pgsql.md                                | 1584       | 1199       | 2783       01-pgenv.md                                        | 499        | 721        | 1220       03-postgresql-glance.md                            | 3091       | 710        | 3801       04-pg-vs-mysql.md                                  | 1997       | 593        | 2590       05-01-pg-managing-users-and-roles.md               | 6963       | 1813       | 8776       05-02-pg-review-roles.md                           | 4556       | 1589       | 6145       05-03-pg-acls.md                                   | 2353       | 677        | 3030       05-04-pg-grant-and-revoke-permissions.md           | 3506       | 1413       | 4919       05-05-pg-rls.md                                    | 2298       | 640        | 2938       05-06-pg-enable-and-verify-ssl.md                  | 1658       | 850        | 2508       06-pg-sql-statements-basic.md                      | 4244       | 1948       | 6192       07-01-pg-sql-statements-advanced.md                | 1366       | 1187       | 2553       07-02-pg-sql-statements-advanced-join.md           | 1444       | 1553       | 2997       07-03-pg-sql-statements-advanced-aggregate.md      | 1112       | 365        | 1477       07-04-pg-sql-statements-advanced-returning.md      | 1084       | 627        | 1711       07-05-pg-sql-statements-advanced-ctes.md           | 1353       | 531        | 1884       08-pg-psql-cmd-customize.md                        | 1801       | 745        | 2546       09-pg-window-functions.md                          | 221        | 333        | 554        10-pg-server-side-programming.md                   | 483        | 1159       | 1642       11-pg-triggers-and-rules.md                        | 6152       | 2867       | 9019       12-pg-partitioning.md                              | 0          | 0          | 0          13-pg-transactions-mvcc-wals-checkpoints.md        | 0          | 0          | 0          14-pg-extension-ecosystem.md                       | 4255       | 3728       | 7983       15-pg-sql-tuning-and-idx-perf-optimization.md      | 0          | 0          | 0          16-01-pg-logging-and-auditing.md                   | 6667       | 878        | 7545       16-02-pg-logging-and-auditing.md                   | 2944       | 581        | 3525       17-pg-backup-and-restore.md                        | 5          | 0          | 5          18-01-pg-configuration-and-monitoring.md           | 88         | 211        | 299        18-02-pg-configuration-and-monitoring.md           | 31         | 545        | 576        19-pg-physical-replication.md                      | 4          | 0          | 4          20-pg-logical-replication.md                       | 4          | 0          | 4          21-pg-usful-tools-and-extensions.md                | 8          | 208        | 216        README.md                                          | 14         | 5          | 19         advertisement.md                                   | 563        | 55         | 618        data-samples.md                                    | 18         | 389        | 407        demo.md                                            | 467        | 192        | 659        double-and-single-quote-difference.md              | 14         | 909        | 923        pg-docker.md                                       | 23         | 161        | 184        pg-psql-cmd-customize.md                           | 1728       | 756        | 2484       pg-single-mode.md                                  | 157        | 449        | 606        pg-stream-repl.md                                  | 1086       | 1065       | 2151       pg_backup_and_restore.md                           | 123        | 309        | 432        pg_control_file.md                                 | 271        | 237        | 508        pg_enable_ssl.md                                   | 0          | 292        | 292        pg_extensions.md                                   | 216        | 178        | 394        pg_pgpool.md                                       | 0          | 0          | 0          pg_slony.md                                        | 324        | 149        | 473        pg_tablespace.md                                   | 334        | 54         | 388        pgsql-configuration.md                             | 1128       | 153        | 1281       pgsql.md                                           | 2689       | 1882       | 4571       postgis-in-action.md                               | 4          | 83         | 87         postgis_basic.md                                   | 88         | 203        | 291        postgis_install.md                                 | 0          | 429        | 429        postgresql.conf.md                                 | 13         | 88         | 101        
----------------------------------------------------+------------+------------+------------Total Words | 74285      | 35885      | 110170     
(55 rows)

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