CREATETABLEyour_table_name(idINTAUTO_INCREMENTPRIMARYKEY,column_nameVARCHAR(255))ENGINE=InnoDBDEFAULTCHARSET=utf8mb4COLLATE=utf8mb4_unicode_ci; 1. 2. 3. 4. 代码解释: CREATE TABLE:创建表的SQL命令 your_table_name:你希望创建的表的名称 id INT AUTO_INCREMENT PRIMARY KEY:表中的id列,设定为自增...
CREATE TABLE my_table ( id INT PRIMARY KEY, name VARCHAR(50) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci; 1. 2. 3. 4. 在这个示例中,我们创建了一个名为my_table的表,包含两个列id和name。id是整数类型的主键列,name是最大长度为50的字符串类型列。 通过CHARACTER SET...
create table表名(idint uniquecomment "用户id",..) charset utf8mb4collateutf8mb4_general_ci; create table表名(... ,unique(user_id,article_id)) charset utf8mb4collateutf8mb4_general_ci; 追加主键: alter table表名add primary key(user_id,article_id); 删除主键: altertable表名dropprimaryk...
createtablet1(c1int,c2int,c3int)partitionbyrange(c1)subpartitionbykey(c2,c3)subpartitions5(partitionp0valuesless than(0),partitionp1valuesless than(100)); 创建一列字符集为 binary,一列字符集为 utf8mb4 的表。 createtablet1(c1varchar(10),c2varchar(10)charsetbinary)defaultcharsetutf8mb4collateutf...
HasColumnType("varchar(512) CHARACTER SET utf8mb4") .HasMaxLength(512); b.HasKey("Id"); b.HasIndex("EntityId"); b.ToTable("Logs"); }); } Please let me know if this doesn't help. Thanks Collaborator lauxjpn commented Sep 6, 2021 The HasColumnType("longtext CHARACTER SET utf...
Create database test charset utf8;特别注意：中文请使用utf8mb4！中文请使用utf8mb4！中文请使用utf...
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;*/sql::Driver*driver =get_driver_instance(); sql::Connection*conn = driver->connect("localhost","sam01","Sam0001!"); sql::ResultSet*res; sql::Statement*stmt = conn->createStatement(); ...
CHARSET | CHARACTER SET Specifies the default character set that is used for columns in the partitioned table. Valid values: utf8 utf8mb4 gbk COLLATE Specifies the default string that is used for columns in the partitioned table. Valid values: utf8_bin utf8_general_ci utf8_unicode_ci gbk...
utf8mb4 - Choose utf8_general_ci - Apply - The Applay windows shows Query without COLLATE - After appling the SQL the schema is create with wrong collation => The same steps can be used to create a table to reproduce the errorSuggested fix:Always append the COLLATE = Paramater to ...
(bytes) utf8mb4)', Error_code: MY-013146 Doesn't happen with persistent tables.How to repeat:Create a temporary table: MySQL > CREATE TEMPORARY TABLE `joinit` (`i` int(11) NOT NULL AUTO_INCREMENT,`s` varchar(64) DEFAULT NULL,`t` time NOT NULL,`g` int(11) NOT NULL,PRIMARY KEY...