ENUM类型 ENUM类型也叫作枚举类型，ENUM类型的取值范围需要在定义字段时进行指定。设置字段值时，ENUM类型...
数据结构 | Data Structures 数据库 | Database Database/MySQL Database/PostgreSQL Database/SQL Server Database/SQLite 日期和时间 | Date and Time 编码| Encoding 错误| Errors 事件| Event 文件系统 | File System Firebird/InterBase FTP Gearman GMP HTML IIS 图像| Image Ima...
Cosmos DB for PostgreSQL Cosmos DB 资源提供程序 成本管理 自定义提供程序 Data Box Data Box Edge/Data Box Gateway 数据目录 数据工厂 Data Lake Analytics Data Lake Storage Gen1 数据迁移 数据保护 数据复制 Data Share 数据库观察程序 Databricks Datadog Defender EASM (预览版) Defender for Cloud 桌面虚拟化...
postgresql com.azure.resourcemanager.privatedns.fluent com.azure.resourcemanager.privatedns.models com.azure.resourcemanager.privatedns.fluent.models com.azure.resourcemanager.privatedns com.azure.resourcemanager.redis.fluent com.azure.resourcemanager.redis.fluent.models com.azure.resourcemanager.redis.models com....
Cosmos DB for PostgreSQL 自定义图像搜索 自定义搜索 自定义视觉 数据资源管理器 Data Lake Analytics Data Lake Store 数据保护 桌面虚拟化 DNS 实体搜索 事件网格 事件中心 人脸API Fluid Relay 函数 Graph 服务 HDInsight 混合连接 标识 图像搜索 IoT 密钥保管库 Kubernetes 配置 实验室服务 语言理解 负载测试 Lo...
Oracle Database Orbital Palo Alto Networks Peering Playwright Testing Policy Insights PostgreSQL Power BI Dedicated Private DNS Provider Hub Purview Qumulo Quota Recovery Services Redis Reservations Resource Connector Resource Graph Resource Health Resource Mover Resources Schema Registry Search Security Security...
character with byte sequence 0xc5 0x82 in encoding "UTF8" has no equivalent in encoding "LATIN1" --- PostgreSQL handles character set encodings on a cluster and database level, not on a table/column level. PostgreSQL doesn't have a CONVER TO CHARACTER SET option. Conversion is done with...
PostgreSQL provides many built-in functions to manipulate the data having Enum data type. These functions includeENUM_FIRST(),ENUM_LAST(), andENUM_RANGE(). Each of the functions serves a specific purpose, such as retrieving the first enumerator, last enumerator, etc. ...
library(adbcdrivermanager)db<-adbc_database_init(adbcpostgresql::adbcpostgresql(),uri="postgresql://localhost:5432/postgres?user=postgres&password=password")db|>execute_adbc("CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy')")con<-db|>adbc_connection_init()con|>execute_adbc("CREATE TAB...
at Npgsql.Internal.ResolverFactories.UnsupportedTypeInfoResolver`1.GetTypeInfo(Type type, Nullable`1 dataTypeName, PgSerializerOptions options) Programs.cs /* DATABASE */ builder.Services.AddDbContext<ApplicationDbContext>(options => options.UseNpgsql("PostgreSQL")); var dataSourceBuilder = new ...