Add network tc & mariadb examples

2024-06-19 18:51:22 +03:00
parent eaa2d11891
commit c1f28f3ba9
2 changed files with 35 additions and 1 deletions
--- a/docs/progs/mariadb.md
+++ b/docs/progs/mariadb.md
@@ -16,5 +16,9 @@ done

 ## Append field in table
 ```sql
-ALTER TABLE existsTableName ADD COLUMN `newFieldName` varchar(64) NOT NULL DEFAULT '';
+CREATE TABLE tableName_new AS (SELECT * FROM tableName);
+
+ALTER TABLE tableName_new ADD COLUMN `newFieldName` varchar(64) NOT NULL DEFAULT '' AFTER `existFieldName`;
+
+RENAME TABLE tableName TO tableName_old; RENAME TABLE tableName_new TO tableName;
 ```