SET Data Type Set, or string object that can have 0 or more values chosen from a list of values. 2 UUID Data Type Data type intended for the storage of UUID data. 4 Data Type Storage Requirements Storage requir
To simulate the new UUID type insert and retrieve to a BINARY(16) format these functions might come in handy: to convert (and store) a UUID in a 16 byte binary CREATE FUNCTION `UUID_TO_BIN`(uuid char(36)) RETURNS binary(16) BEGIN RETURN UNHEX( CONCAT( SUBSTRING(uuid, 25, 12), SU...
MariaDB introduced the UUID data type in version 10.7. The first long-term support (LTS) version to include it is 10.11, which was declared stable in February 2023. In this article we will discuss how to use the UUID type, and why it is often wise to use it as a primary key. What...
Hi all, MariaDB has UUID data type as of 10.7: https://mariadb.com/kb/en/uuid-data-type/. Do you plan to make it possible to map System.Guid as UUID type? Regards, nkCollaborator mguinness commented Oct 3, 2022 See mysql-net/MySqlConnector#1151. 👍 1 nkelemen18 closed this ...
MariaDB 支持的一些数据类型,例如UUID、INET4和INET6,TiDB 并不支持。 执行下列语句检查你正在使用的数据类型: SELECTTABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, DATA_TYPEFROMinformation_schema.columnsWHEREDATA_TYPEIN('INET4','INET6','UUID'); +---+---+---+---+|TABLE_SCHEMA|TABLE_NAME|COLUMN_NAME...
/dev/sdb: UUID="x1VIqD-ItUz-48Mp-9El8-bO3s-j2Xk-DbMppS" TYPE="LVM2_member" /dev/mapper/vg0-lv_mysql: UUID="b231e2e2-0ecc-49c1-82a0-f46299b0849d" TYPE="xfs" #创建挂载目录 /data [root@centos7 ~]#mkdir /data #永久挂载 ...
也可以通过blkid查看对应的UUID进行相应的挂载 [root@centos7K ~]#blkid 1. 重新挂载一下即可 二进制安装准备 准备二进制程序 tar xf mariadb-VERSION-linux-x86_64.tar.gz -C /usr/local cd /usr/local ln -sv mariadb-VERSION mysql chown -R root:root /usr/local/mysql/ ...
mke2fs -t ext4 -L MYDATA -b 4096 -m 3 /dev/myvg/mydata 修改/etc/fstab文件,使其能够自动挂载 LABEL=MYDATA(或UUID或/dev/mapper/myvg-lvdata) /mydata ext4 defaults 0 0 创建挂载点 mkdir /mydata mount -a 在/mydata下创建data目录,并修改其属主属组 ...
histogram_type SINGLE_PREC_HB in_transaction 0 innodb_adaptive_hash_index_partitions 1 innodb_background_scrub_data_check_interval 3600 innodb_background_scrub_data_compressed OFF innodb_background_scrub_data_interval 604800 innodb_background_scrub_data_uncompressed OFF ...
2 DB_NAME() Get the database name DATABASE() 3 HASH(expr, 'MD5' | 'SHA1') Hash the expr value MD5(expr) SHA1(expr) 4 NEWID() Generate a GUID value UUID() 5 SUSER_NAME() Get the user name CURRENT_USER() 6 USER | USER_NAME() USER() Other functions: Sybase ASE ...