'Alter table' presentation slideshows

KC Server Development Nieuwe SQL en PL/SQL features in Oracle 10gR2 en R1 incl. reprise van ODTUG presentatie 15 novembe

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Spatial Databases: Lecture 3

Spatial Databases: Lecture 3. DT249 Semester 2 2013-14 Pat Browne. Outline. We will look in more detail on what happens when a spatial table is constructed in PostgreSQL/PostGIS. We will describe how construct a table for a sub-set of the historical data set 1 .

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Introduction

Introduction. Overview of SQL*Plus. Log in to SQL*Plus. Edit your SQL statement. Execute SQL from SQL*Plus. Save SQL statements to files and append SQL statements to files. Execute saved files. Logging Into SQL*Plus. Use the following username in Lab 60 User name : scott Password: csdb

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SQL

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OpenWorld 2012 Report Oracle Database 12c Features

OpenWorld 2012 Report Oracle Database 12c Features.

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Onsdag

Onsdag. The concepts in a relation data model SQL DDL DML. Concepts. create table Employee (fname varchar(15) not null, minit char, lname varchar(15) not null, ssn char(9), bdate datetime, address varchar(30),

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SQL Data Definition

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Chapter 10 Data Manipulation

Chapter 10 Data Manipulation. INSERT Command. Used to add rows to existing tables Identify table in the INSERT INTO clause Specify data in the VALUES clause Can only add one row at a time to a table. INSERT Command Syntax. Enclose non-numeric data in single quotes

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Correlated Queries

Correlated Queries. A nested query that requires the subquery to be evaluated many times; once for each value in the outer query. Example: Find movies whose title appears more than once. SELECT title FROM Movie AS Old WHERE year < ANY ( SELECT year

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COMP 5531

COMP 5531. Introduction to MySQL. SQL. SQL is a standard language for accessing and managing databases. SQL stands for Structured Query Language. What can SQL do?. Retrieve data from a database. Insert records in a database. Update existing records. Delete records. Create new database.

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Database - mysql

Database - mysql. ??? euny@sparcs.kaist.ac.kr. Contents. Database DBMS Relational model SQL MySQL. Database. Database a collection of data Entity, relationship DBMS Database management system. DBMS. Why use a DBMS? efficient access reduced application development time

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Databases : SQL-Schema Definition and View

Databases : SQL-Schema Definition and View. 2007, Fall Pusan National University Ki-Joune Li. These slides are made from the materials that Prof. Jeffrey D. Ullman distributes via his course web page ( http://infolab.stanford.edu/~ullman/dscb/gslides.html ). Defining a Database Schema.

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Exam 2 Review: SQL In, Dimensional Modeling, Pivot Tables, ETL

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ITEC 313 Database Programming

ITEC 313 Database Programming. Bits of SQL. Objectives. Review Select Statement Creating tables Learn how to create and use Sequence View Learn how to Grant/Revoke priveleges. Syntax of SELECT. SELECT [ALL | DISTINCT] select-list FROM table-reference-list

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SNESSUG Lightning Talk: Table Valued Parameters

SNESSUG Lightning Talk: Table Valued Parameters. By: Matt Batalon , MCITP Twitter:@ MattBatalon. Introduced in SQL Server 2008. Another form of temporary storage that can be queried or joined against, much like a table variable, temp table or CTE

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SQL DDL and Oracle utilities

SQL DDL and Oracle utilities. Datatypes in SQL. INT (or) INTEGER FLOAT (or) REAL DECIMAL (n, m) CHAR (n) VARCHAR (n) DATE, TIME. SQL DDL. DDL = Data Definition Language

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More SQL Features

More SQL Features. Alter Table Grant Revoke Outer Join. Alter Table. Add a column called major to the Student Table. The data type for major is varchar(20) alter table Student add column major varchar(20) Remove a column called password from the Student Table

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Including Foreign Key Constraints

Including Foreign Key Constraints. Not allowed ( dept_nbr 9 does not exist in the DEPT table. 7571 Ford Manager . .. 200 9 7571 Ford Manager ... 200. Insert into. Allowed. The FOREIGN KEY Constraint. Department. PRIMARY key.

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Altering Tables

Altering Tables. Adding a Column: Syntax. ALTER TABLE table ADD ( column datatype , column datatype , ...);. Adding a Column: Example. ALTER TABLE s_region ADD (comments VARCHAR2(255)); Table altered. Modifying a Column: Syntax. ALTER TABLE table MODIFY ( column datatype ,

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