Network Address Types -https://www.postgresql.org/docs/10/static/datatype-net-types.html 10、二进制字符串类型 Bit String Types -https://www.postgresql.org/docs/10/static/datatype-bit.html 10、网络地址类型 Network Address Types -https://www.postgresql.org/docs/10/static/datatype-net-types....
字符串类型(String Types):用于存储文本数据。常见的字符串类型包括char、varchar和text。char用于存储固定长度的字符串,varchar用于存储可变长度的字符串,而text用于存储任意长度的字符串。 数值类型(Numeric Types):用于存储数值数据。常见的数值类型包括integer、numeric、float和double precision。integer用于存储整数,numeri...
DATABASE_URL=postgresql://... npm run pg-to-ts-generate 以下是我测试数据库的代码片段。它只包含一个名为users的表。// ./pg-to-ts-db.d.ts // Table usersexport interface Users { id: number; first_name: string; last_name: string; email: string; country: string | null;}export...
Bit String Type UUID Type XML Type JSON Type Numeric Types Monetary Types Character Types Date/Time Types Boolean Type Enumerated Type Enumerated (enum) types are data types that comprise a static, ordered set of values. They are equivalent to the enum types supported in a number of programming...
The bytea data type allows storage of binary strings bytea 类型 允许存储二进制串 A binary string is a sequence of octets (or bytes) 这里的binary string 是一串 octets ,也就是存储最小单位是 octet. 备注: octets 和 byte 的区别 最近项目中写文档,由于跟老外合作,所有都是英文的。经常遇到octet这...
pg_catalog | convert | text | text, name, name | normal | no sql | stable | xxx | internal | pg_convert2 | convert string with specified encoding names (2 rows) 9.x postgres=# \df+ convert List of functions Schema | Name | Result data type | Argument data types | Type | Volat...
This data type consists of strings of characters such as letters or numbers, and it’s used to store text values. Character data types and string types can occur as either a fixed length, known as char, or variable lengths, known as varchar and long varchar. The length that your user se...
pg_catalog | convert | text | text, name, name | normal | no sql | stable | xxx | internal | pg_convert2 | convert string with specified encoding names (2 rows) 9.x postgres=# df+ convert List of functions Schema | Name | Result data type | Argument data types | Type | Volatil...
PostgreSQL provides threecharacter data types:CHAR(n),VARCHAR(n), andTEXT CHAR(n)is the fixed-length character with space padded. If you insert a string that is shorter than the length of the column, PostgreSQL pads spaces. If you insert a string that is longer than the length of the co...
These Data Type stores store IPv4, IPv6, and MAC addresses. Category - Bit String Type Bit String Types are used to store bit masks. They are either 0 or 1. There are two bit types - bit(n) and bit varying(n), where n is a positive integer. ...