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SQL 2: Query SQL 2.1: SELECT Jianjun Contents The next three lectures will cover a good portion of “Data manipulation language (DML)” of RDBMS. SELECT: Overview SELECT [DISTINCT | ALL] column-list FROM table-names [WHERE condition] [ORDER BY column-list] [GROUP BY column-list] [HAVING condition] Examples in This Lecture SELECT In its simplest form, SELECT is the

Tutorial Week 9-10 PL/SQL Advance Today we are going to do some simple exercises involving PL/SQL. It is a programming language for Oracle Database that allows you to do much more complex things than SQL itself. We are going to use HR database. Exercise 1 Create and execute a simple anonymous block that outputs “Hello

Before you start this test, you need to create tables and insert data  using following commands: ———– CREATE TABLE dept ( deptno NUMBER(2) NOT NULL CONSTRAINT dept_pk PRIMARY KEY, dname VARCHAR2(14) NOT NULL CONSTRAINT dept_dname_uq UNIQUE, loc VARCHAR2(13) ); CREATE TABLE emp ( empno NUMBER(4) NOT NULL CONSTRAINT emp_pk PRIMARY KEY, ename VARCHAR2(10), job VARCHAR2(9),

INFO20003 Week 4 Lab ER Modelling with MySQL Workbench Objectives: In this lab you will: • Design an ER model Copyright By PowCoder代写 加微信 powcoder • Forward engineer the ER design to SQL • Prepare the schema for next week’s lab Section 1: Develop an ER model Choose either Task 1.1 or Task 1.2. Students