From c0607402c8e8a4af088e1e17ca3bf282e3b406aa Mon Sep 17 00:00:00 2001
From: Super User <root@localhost.localdomain>
Date: Wed, 20 Mar 2024 19:35:53 +0300
Subject: [PATCH] Update mariadb.md

---
 docs/progs/mariadb.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/docs/progs/mariadb.md b/docs/progs/mariadb.md
index 80e9f18..28d9456 100644
--- a/docs/progs/mariadb.md
+++ b/docs/progs/mariadb.md
@@ -6,3 +6,15 @@
 CREATE DATABASE dbn CHARACTER SET utf8 COLLATE utf8_general_ci;
 CREATE USER 'usr'@'localhost' IDENTIFIED BY 'pwd'; GRANT ALL PRIVILEGES ON dbn.* TO usr@localhost;
 ```
+
+## Create dump by table
+```bash
+for tab in `echo "SHOW TABLES" | mysql dbName | grep -v Tables_in_`; do
+	mysqldump --extended-insert=FALSE dbName "$tab" > "dbName-$tab-`date +%Y-%m-%d`.sql"
+done
+```
+
+## Append field in table
+```sql
+ALTER TABLE existsTableName ADD COLUMN `newFieldName` varchar(64) NOT NULL DEFAULT '';
+```