ALTER TABLE "public"."inet_workbench_dashboard" ADD CONSTRAINT "name_userid_unique_key" UNIQUE ("name", "user_id"); -- --- -- Primary Key structure for table inet_workbench_dashboard -- --- ALTER TABLE "public"."inet_workbench_dashboard" ADD CONSTRAINT "inet_workbench_dashboard_pkey...
-- Create "games" tableCREATE TABLE "games" ( "id" integer NOT NULL GENERATED ALWAYS AS IDENTITY, "player" "move" NOT NULL, "opponent" "move" NOT NULL, "result" "result" NOT NULL, PRIMARY KEY ("id"));让我们将新表格应用到数据库:atlas schema apply --env local Atlas 为我们...
create table users ( id serial primary key, player varchar(255) not null, score real, team varchar(255) );
CREATETABLErow_mask(idBIGINTNOTNULL,storage_idBIGINTNOTNULL,start_row_numberBIGINTNOTNULL,end_row_numberBIGINTNOTNULL,maskBYTEA,PRIMARYKEY(id,storage_id,start_row_number,end_row_number))WITH(user_catalog_table=true);ALTERTABLEcolumnar.row_maskADDCONSTRAINTrow_mask_stripe_uniqueUNIQUE(storage_id,...
mydb=> CREATE TABLE test_json1 (id serial primary key,name json); CREATE TABLE 以上示例定义字段name为json类型,插入表数据,如下所示: mydb=> INSERT INTO test_json1 (name) VALUES ('{"col1":1,"col2":"francs","col3":"male"}'); ...
("+" id serial primary key,"+" name character varying(10) not null unique,"+" created_at timestamp not null"+")";// 读取数据库连接配置文件try(FileInputStreamfile=newFileInputStream("db.properties")){Propertiesp=newProperties();p.load(file);url=p.getProperty("url");user=p.getProperty...
beginexecute'drop tableifexists test';execute'create table test(id int8 primary key, info text, crt_time timestamp)'; for i in 0..1023 loopexecuteformat('drop tableifexists test%s', i);executeformat('create table test%s (like test including all)', i); ...
-- Drop the table if it already existsDROPTABLEIFEXISTScustomers;-- Create a new table called 'customers'CREATETABLEcustomers( customer_idSERIALPRIMARYKEY,nameVARCHAR(50)NOTNULL, locationVARCHAR(50)NOTNULL, emailVARCHAR(50)NOTNULL); 插入行 ...
create table db_test(id int primary key, name varchar(50), age int); 代码语言:sql 复制 postgres=# select * from pg_class where relname ='db_test'; oid | relname | relnamespace | reltype | reloftype | relowner | relam | relfilenode | reltablespace | relpages | reltuples | rel...
-- Drop the table if it already existsDROPTABLEIFEXISTScustomers;-- Create a new table called 'customers'CREATETABLEcustomers( customer_idSERIALPRIMARYKEY,nameVARCHAR(50)NOTNULL, locationVARCHAR(50)NOTNULL, emailVARCHAR(50)NOTNULL); 插入行 ...