Atitit postgresql data type 数据类型与mysql对应表 数据库常用数据类型 Postgre Mysql 整数 intgreter Int 小数 numeric FLOAT 文本 Tex...
String columnName= columnsResultSet.getString("COLUMN_NAME");intsqlType = columnsResultSet.getInt("DATA_TYPE");//此处拿到mysql返回的字段类型String typeName= columnsResultSet.getString("TYPE_NAME");intsize = columnsResultSet.getInt("COLUMN_SIZE");booleannullable = 1 == columnsResultSet.getInt...
Atitit postgresql data type 数据类型与mysql对应表 数据库常用数据类型 Postgre Mysql 整数 intgreter Int 小数 numeric FL,Atititpostgresqldatatype数据类型与mysql对应表数据库常用数据类型PostgreMysql
I see that data type INT1, INT2, INT4 and INT8. I tried to find the data type on MySQL manual, but I can not find the information about this data type. I see TinyInt, SamllInt, INT ...etc, but not with numbers. Please advise which kind of this data type. ...
3 rows in set (0.00 sec) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 如果我们插入的是枚举值之外的字符串,会报错 root@wangsh 09:33 mysql>INSERT INTO shirts (name, size) VALUES ('lining','xxxxlarge'); ...
MySQL中的整数类型包括: TINYINT:1字节,取值范围-128到127(有符号)或0到255(无符号)。 SMALLINT:2字节,取值范围-32,768到32,767(有符号)或0到65,535(无符号)。 MEDIUMINT:3字节,取值范围-8,388,608到8,388,607(有符号)或0到16,777,215(无符号)。
#define DATA_INT 6 /* integer: can be any size 1 - 8 bytes */ #define DATA_SYS_CHILD 7 /* address of the child page in node pointer */ #define DATA_SYS 8 /* system column */ 我们熟悉的int类型属于DATA_INT而varchar属于DATA_VARCHAR,rowid属于DATA_SYS ...
Description:TinyInt(1) data type for a column is translated as a Boolean in .NET POCO class and ADO.NET Entity frameworkHow to repeat:1) Create a table with a TINYINT(1) column type 2) Using the MySQL.Data and MySQL.Data.Entity NuGet packages, create a ADO.NET Entity Data model 3...
MySQL supports the SQL standard integer typesINTEGER(orINT) andSMALLINT. As an extension to the standard, MySQL also supports the integer typesTINYINT,MEDIUMINT, andBIGINT. The following table shows the required storage and range for each integer type. ...
these INTx are just synonyms for built-in types (defined by the SQL standard). The mapping as like this: INT1 => TINYINT INT2 => SMALLINT INT3 => MEDIUMIN INT4 => INT INT8 => BIGINT Mike Mike Lischke, MySQL Developer Tools ...