摘要: 准备实验环境 CREATE TABLE t1 (f1 INT NOT NULL,f2 INT NOT NULL,PRIMARY KEY(f1,f2)); INSERT INTO t1 VALUES (1,1), (1,2), (1,3), (1,4), (1,5), (2,1), (2,2), (2 阅读全文
posted @ 2025-07-04 17:27 白日梦不要钱 阅读(7) 评论(0) 推荐(0)
摘要: #!bin/bash export PATH=$PATH:/app/db/pg/bin PGDATA=/pgdata/data PGUSER=postgres DATABASE=postgres PGPORT=19200 DATE=`date +%F` backupDir=/pgdata/backu 阅读全文
posted @ 2025-07-04 10:54 白日梦不要钱 阅读(5) 评论(0) 推荐(0)