21 lines
556 B
Markdown
21 lines
556 B
Markdown
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# MariaDB
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## Create database, user and grand permission
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```sql
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CREATE DATABASE dbn CHARACTER SET utf8 COLLATE utf8_general_ci;
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CREATE USER 'usr'@'localhost' IDENTIFIED BY 'pwd'; GRANT ALL PRIVILEGES ON dbn.* TO usr@localhost;
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```
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## Create dump by table
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```bash
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for tab in `echo "SHOW TABLES" | mysql dbName | grep -v Tables_in_`; do
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mysqldump --extended-insert=FALSE dbName "$tab" > "dbName-$tab-`date +%Y-%m-%d`.sql"
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done
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```
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## Append field in table
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```sql
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ALTER TABLE existsTableName ADD COLUMN `newFieldName` varchar(64) NOT NULL DEFAULT '';
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```
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