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Other 2021-11-20 18:07:17
enrolled in a yearly course has incorrect --data in records with ids between 20 and 100 (inclusive)
--------------------------------------------------------- --A table containing the students enrolled in a yearly course has incorrect --data in records with ids between 20 and 100 (inclusive). DROP TABLE IF EXISTS enrollments; CREATE TABLE enrollments ... Add solution -
SQL 2021-11-13 16:05:07
sql server historical table
CREATE TABLE Department ( DeptID INT NOT NULL PRIMARY KEY CLUSTERED , DeptName VARCHAR(50) NOT NULL , ManagerID INT NULL , ParentDeptID INT NULL , SysStartTime DATETIME2 GENERATED ALWAYS AS ROW START NOT NULL , SysEndTime DATETIME2 GENERATED... Add solution -
SQL 2021-11-11 18:32:12
how to create system versioned table in sql server
CREATE TABLE Department ( DeptID INT NOT NULL PRIMARY KEY CLUSTERED , DeptName VARCHAR(50) NOT NULL , ManagerID INT NULL , ParentDeptID INT NULL , SysStartTime DATETIME2 GENERATED ALWAYS AS ROW START NOT NULL , SysEndTime DATETIME2 GENERATED... Add solution -
CSS 2021-11-05 02:45:18
frontend to backend fetching
mysql> use reactdb; mysql> CREATE TABLE `contacts` ( `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT, `name` varchar(100) NOT NULL, `email` varchar(100) NOT NULL, `city` varchar(100), `country` varchar(100), `job` varchar(100) ) ENGINE=... Add solution -
PHP 2021-10-01 11:17:08
download csv php mysql
CREATE TABLE `users` ( `id` int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT, `username` varchar(80) NOT NULL, `name` varchar(50) NOT NULL, `gender` varchar(10) NOT NULL, `email` varchar(70) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; =========... Add solution -
Other 2021-09-27 00:37:02
verage session duration for each user who has more than one session
/*App usage data are kept in the following table: TABLE sessions id int PRIMARY KEY, userId int NOT NULL, duration DECIMAL NOT NULL Write a query that selects userId and average session --duration for each user who has more than one session. */ -... Add solution -
SQL 2021-09-22 23:27:02
Tasks - A project management tool keeps data in the... SQL
/* A project management tool keeps data in the following two tables: TABLE emp ... */ Create table employee3 ( id int not null Primary key, name nvarchar(50) not null) drop table if exists tasks create table tasks ( id int not null primary key, auhtoiI... Add solution