In PostgreSQL, you can use the“createdb”command to create/make a new database. You can run the "createdb" command directly from the Command Prompt, unlike the“CREATE DATABASE”command. The“createdb”command can add some comments/descriptions to the database altogether. The basic syntax of ...
Finally, click the Save button to create the sampledb database. You will see the sampledb listed on the database list: Summary Use the CREATE DATABASE statement to create a new database.PreviousPostgreSQL Administration NextPostgreSQL ALTER DATABASE ...
runoobdb=#INSERTINTOCOMPANY (ID,NAME,AGE,ADDRESS,SALARY,JOIN_DATE)VALUES(3,'Teddy',23,'Norway',20000.00,DEFAULT);INSERT01 插入多行 runoobdb=#INSERTINTOCOMPANY (ID,NAME,AGE,ADDRESS,SALARY,JOIN_DATE)VALUES(4,'Mark',25,'Rich-Mond ',65000.00,'2007-12-13'), (5,'David',27,'Texas',85000....
Database objects are entities that are defined in a database and used to store or reference data. In PostgreSQL, the database objects are created using theCREATEcommand. The most frequently used object is a table that stores the data in a well-structured format. The other renowned database o...
输入sql命令D:\Program data\PostgreSQL\12\bin>psql -h 127.0.0.1 -p 5433 -d runoobdb -U postgres -f E:\database\company.sql -h ip地址 -p 端口号 -d 要导入的数据库名称 -U 要导入的数据库的用户名 -f 导入文件的路径 查询插入的表 ...
STEP 4: To connect PostgreSQL database using command line. postgres=# \c orahow You are now connected to database "orahow" as user "postgres". orahow=# STEP 5: Createuserand gran access to new database. postgres=# create user dev_user with encrypted password 'dev_user'; ...
oceanbase:CreateRdsPostgreSQLDataSource create *全部资源 * 无 无 请求参数 名称类型必填描述示例值 Name string 是 数据源的名称。 data_name InstanceId string 是 数据库实例的 ID。 g_abcdefj*** DatabaseName string 是 数据库的名称。 db_name UserName string 是 数据库用户的名称。 user_name Passw...
Let’s try to create a new database with the same name and see how Postgres deals with such situations: SELECT 'CREATE DATABASE exp_db' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'exp_db')\gexec When we executed the above statement, it didn’t perform any action. Th...
PostgreSQL支持在线创建索引(CREATE INDEX CONCURRENTLY),不堵塞其他会话对被创建索引表的DML(INSERT,UPDATE,DELETE)操作。 PostgreSQL 提供了一个创建索引的高效特性,即“并发索引”。此功能允许我们在关系上创建索引,而不会阻塞读写设施。这并不容易管理 PostgreSQL 数据库中的数据。创建并发索引的目的可以是几个,包括其...
程序集: Azure.ResourceManager.PostgreSql.dll 包: Azure.ResourceManager.PostgreSql v1.1.1 创建新数据库或更新现有数据库。 请求路径/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/servers/{serverName}/databases/{databaseName} 操...