`ProductVersion` varchar(32) CHARACTER SET utf8mb4 NOT NULL, CONSTRAINT `PK___EFMigrationsHistory` PRIMARY KEY (`MigrationId`) ) CHARACTER SET utf8mb4; START TRANSACTION; CREATE TABLE `IceCreams` ( `IceCreamId` int NOT NULL AUTO_INCREMENT, `Name` longtext ...
You can create maximum 4096 number of columns per table, but the effective maximum may be less for a given table. The exact number depends on several interacting factors. You can create maximum 4096 number of columns per table, but the effective maximum may be less for a given table. The ...
alter table INDEX_PARAMS modify column PARAM_VALUE varchar(4000) character set utf8; 1 2 3 4 5 6 7 8 这样针对 MySQL 的问题我们就解决完成了。 然后我们登录 Hive,再次使用 desc test/desc formatted test 就可以看到中文了,不会乱码,但是我们使用 show create table test 还是会乱码,这个是 Hive 本...
Rename table 原名 to 新名; # 改表字符集 alter table 表名 character set 字符集; # 删除表 drop table 表名; # 修改表编码 alter table 表名 convert to character set utf8; # 查询数据库的所有表名 select table_name from information_schema.`TABLES` where TABLE_SCHEMA = '数据库名'; 1. 2....
CREATE TABLE t (c CHAR(20) CHARACTER SET utf8 COLLATE utf8_bin); MySQL 5.7 interprets length specifications in character column definitions in characters. Lengths for BINARY and VARBINARY are in bytes. For CHAR, VARCHAR, BINARY, and VARBINARY columns, indexes can be created that use only ...
CHARSET | CHARACTER SET 指定表中列的默认字符集,可使用字符集如下: binary、utf8mb4 COLLATE 指定表中列的默认字符序,可使用的字符序如下: utf8mb4_general_ci、utf8mb4_bin、utf8mb4_unicode_ci、binary primary_zone 指定主 Zone(副本 Leader 所在 Zone)。 replica_num 指定副本数。 table_tablegroup ...
CREATE TABLE t (c CHAR(20) CHARACTER SET utf8 COLLATE utf8_bin); MySQL 8.0 は、文字カラム定義内の長さの指定を文字数で解釈します。 BINARY とVARBINARY の長さはバイト単位です。 CHAR、VARCHAR、BINARY、および VARBINARY カラムの場合は、col_name(length) 構文を使用してインデックスプリフィ...
alter database apple default character set = 'utf8mb4';alter table iphone convert to character set utf8mb4; # 字符集字符序问题:character-set-server/default-character-set:服务器字符集,默认情况下所采用的。character-set-database:数据库字符集。character-set-table:数据库表字符集。
CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } [ AS FileTable ] ( { <column_definition> | <computed_column_definition> | <column_set_definition> | [ <table_constraint> ] [ ,... n ] | [ <table_index> ] } [ ,... n ] [ PERIOD...
2019-09-09 09:19:45.240 [MultiStageCoprocessor-other-example-0] WARN c.a.otter.canal.parse.inbound.mysql.tsdb.MemoryTableMeta - parse faield : CREATE DATABASE crm_sales CHARACTER SET 'utf8' COLLATE 'utf8_general_ci' com.alibaba.fastsql.s...