Restrictions on Views

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Restrictions on Views The ISO standard imposes several important...Read More
Restrictions on Views Restrictions on Views Reviewed by Shopping Sale on 12:07 Rating: 5

View Resolution

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View Resolution Having considered how to create and use views, we...Read More
View Resolution View Resolution Reviewed by Shopping Sale on 12:06 Rating: 5
Removing a View (DROP VIEW) Removing a View (DROP VIEW) Reviewed by Shopping Sale on 12:04 Rating: 5
Creating a View (CREATE VIEW) Creating a View (CREATE VIEW) Reviewed by Shopping Sale on 12:03 Rating: 5

Views

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Views Recall from Section 3.4 the definition of a view: View The...Read More
Views Views Reviewed by Shopping Sale on 12:01 Rating: 5
Creating an Index (CREATE INDEX) Creating an Index (CREATE INDEX) Reviewed by Shopping Sale on 11:59 Rating: 5
Removing a Table (DROP TABLE) Removing a Table (DROP TABLE) Reviewed by Shopping Sale on 11:58 Rating: 5
Changing a Table Definition (ALTER TABLE) Changing a Table Definition (ALTER TABLE) Reviewed by Shopping Sale on 11:57 Rating: 5
Creating a Table (CREATE TABLE) Creating a Table (CREATE TABLE) Reviewed by Shopping Sale on 11:55 Rating: 5

Creating a Database

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Creating a Database The process of creating a database differs significantly...Read More
Creating a Database Creating a Database Reviewed by Shopping Sale on 11:52 Rating: 5

Data Definition

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Data Definition The SQL Data Definition Language (DDL) allows database...Read More
Data Definition Data Definition Reviewed by Shopping Sale on 11:51 Rating: 5

General Constraints

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General Constraints Updates to tables may be constrained by enterprise...Read More
General Constraints General Constraints Reviewed by Shopping Sale on 11:50 Rating: 5

Referential Integrity

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Referential Integrity A foreign key is a column, or set of columns,...Read More
Referential Integrity Referential Integrity Reviewed by Shopping Sale on 11:49 Rating: 5

Entity Integrity

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Entity Integrity The primary key of a table must contain a unique,...Read More
Entity Integrity Entity Integrity Reviewed by Shopping Sale on 11:47 Rating: 5

Domain Constraints

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Domain Constraints Every column has a domain, in other words a set...Read More
Domain Constraints Domain Constraints Reviewed by Shopping Sale on 11:46 Rating: 5
Integrity Enhancement Feature Integrity Enhancement Feature Reviewed by Shopping Sale on 11:45 Rating: 5

Exact Numeric Data

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Exact Numeric Data The exact numeric data type is used to define...Read More
Exact Numeric Data Exact Numeric Data Reviewed by Shopping Sale on 00:11 Rating: 5

SQL Scalar Data Types

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SQL Scalar Data Types Table 6.1 shows the SQL scalar data types...Read More
SQL Scalar Data Types SQL Scalar Data Types Reviewed by Shopping Sale on 00:05 Rating: 5

SQL Identifiers

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SQL identifiers are used to identify objects in the database, such...Read More
SQL Identifiers SQL Identifiers Reviewed by Shopping Sale on 00:03 Rating: 5
Modifying data in the database (UPDATE) Modifying data in the database (UPDATE) Reviewed by Shopping Sale on 05:59 Rating: 5

Database Updates

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Database Updates SQL is a complete data manipulation language that...Read More
Database Updates Database Updates Reviewed by Shopping Sale on 04:26 Rating: 5
Combining Result Tables (UNION, INTERSECT, EXCEPT) Combining Result Tables (UNION, INTERSECT, EXCEPT) Reviewed by Shopping Sale on 04:21 Rating: 5

EXISTS and NOT EXISTS

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EXISTS and NOT EXISTS The keywords EXISTS and NOT EXISTS are designed...Read More
EXISTS and NOT EXISTS EXISTS and NOT EXISTS Reviewed by Shopping Sale on 04:18 Rating: 5

Computing a join

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Computing a join A join is a subset of a more general combination...Read More
Computing a join Computing a join Reviewed by Shopping Sale on 04:17 Rating: 5

Multi-Table Queries

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Multi-Table Queries All the examples we have considered so far have...Read More
Multi-Table Queries Multi-Table Queries Reviewed by Shopping Sale on 04:13 Rating: 5

ANY and ALL

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The words ANY and ALL may be used with subqueries that produce a...Read More
ANY and ALL ANY and ALL Reviewed by Shopping Sale on 04:07 Rating: 5

Subqueries

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Subqueries In this section we examine the use of a complete SELECT...Read More
Subqueries Subqueries Reviewed by Shopping Sale on 04:05 Rating: 5
Grouping Results (GROUP BY Clause) Grouping Results (GROUP BY Clause) Reviewed by Shopping Sale on 04:02 Rating: 5
Using the SQL Aggregate Functions Using the SQL Aggregate Functions Reviewed by Shopping Sale on 03:59 Rating: 5
Sorting Results (ORDER BY Clause) Sorting Results (ORDER BY Clause) Reviewed by Shopping Sale on 03:57 Rating: 5

Simple Queries

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The purpose of the SELECT statement is to retrieve and display data...Read More
Simple Queries Simple Queries Reviewed by Shopping Sale on 03:54 Rating: 5

Data Manipulation

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This section looks at the SQL DML statements, namely: n SELECT –...Read More
Data Manipulation Data Manipulation Reviewed by Shopping Sale on 03:49 Rating: 5
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