Char 10 char 13 sql

• [PDF File]The Relational Model .edu

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  * Structured Query Language SQL - A language for Relational DBs Faloutsos 15-415 9 ... (sid CHAR(20), name CHAR(20), login CHAR(10), age INTEGER, ... Faloutsos 15-415 13 Creating Relations in SQL

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• [PDF File]The Relational Model

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  Foreign Keys in SQL • E.g. Only students listed in the Students relation should be allowed to enroll for courses. – sidis a foreign key referring to Students: CREATE TABLE Enrolled (sid CHAR(20),cid CHAR(20),grade CHAR(2), PRIMARY KEY (sid,cid), FOREIGN KEY (sid) REFERENCES Students ) sid name login age gpa 53666 Jones jones@cs 18 3.4

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• [PDF File]TO CHAR Function with Dates

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  1 TO_CHAR Function with Dates TO_CHAR(date, 'fmt’) The format model: • Must be enclosed in single quotation marks and is case sensitive • Can include any valid date format element • Has an fm element to remove padded blanks or suppress leading zeros • Is separated from the date value by a comma Displaying a Date in a Specific Format ...

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• [PDF File]SQL Data Types and Schemas Integrity Constraints

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  Database System Concepts, 5th Edition, Oct 5. 2006 4.13 ©Silberschatz, Korth and Sudarshan create table account (account_number char(10), branch_name char(15), balance integer, primary key (account_number), foreign key (branch_name) references branch ) create table depositor (customer_name char(20), account_number char(10),

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• [PDF File]SQL - Computer Science

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  ( DNAME VARCHAR (10) NOT NULL, DNUMBER INTEGER NOT NULL, MGRSSN CHAR(9), MGRSTARTDATE CHAR(9), PRIMARY KEY (DNUMBER), UNIQUE (DNAME), FOREIGN KEY (MGRSSN) REFERENCES EMP ) 9 Primary key declaration on an attribute automatically ensures not null in SQL-92 onwards, but it needs to be explicitly stated in SQL-89

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• [PDF File]SQL Constraints and Triggers Week 12

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  CREATE TABLE T4 (a INTEGER, b CHAR(10)); CREATE TABLE T5 (c CHAR(10), d INTEGER); CREATE TRIGGER trig1 AFTER INSERT ON T4 REFERENCING NEW AS newRow FOR EACH ROW WHEN (newRow.a

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• [PDF File]CompSci516 Database Systems .edu

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  (sid CHAR(20), name CHAR(20), login CHAR(10), age INTEGER, gpaREAL) CREATE TABLE Enrolled (sid CHAR(20), cidCHAR(20), grade CHAR(2)) Duke CS, Fall 2019 15 sid cid grade 53831 Carnatic101 C 53831 Reggae203 B 53650 Topology112 A 53666 History105 B sid name login age gpa 53666 Jones jones@cs 18 3.4 53688 Smith smith@eecs 18 3.2 53650 Smith smith ...

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• [PDF File]Oracle SQL Language Quick Reference

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  Date Functions 10 Date Truncation and Rounding 10 Format Models for ROUND and TRUNC 10 Conversion Functions 11 Format Models for TO_CHAR and TO_DATE 12 Date Format Prefixes and Suffixes 13 Date Format Case Control 13 Number Format Models for TO_CHAR 13 Miscellaneous Single-Row Functions 14 Object Reference Functions 14 Group Functions 15

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• [PDF File]SQL Constraints and Triggers Week 11

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  CREATE TABLE T4 (a INTEGER, b CHAR(10)); CREATE TABLE T5 (c CHAR(10), d INTEGER); CREATE TRIGGER trig1 AFTER INSERT ON T4 REFERENCING NEW AS newRow FOR EACH ROW WHEN (newRow.a

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• [PDF File]Roadmap The Relational Model - CMU-CS 15-415/615 Database ...

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  * Structured Query Language SQL - A language for Relational DBs create table student ... (sid CHAR(20), name CHAR(20), login CHAR(10), age INTEGER, gpa FLOAT) ... Faloutsos - Pavlo, 15-415/615 13 Creating Relations in SQL

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• [PDF File]Lecture 2 SQL - Duke University

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  Primary and Candidate Keys in SQL CREATE TABLE Enrolled (sid CHAR(20) cid CHAR(20), grade CHAR(2), PRIMARY KEY (sid,cid) ) • “For a given student and course, there is a single grade.” • vs. • “Students can take only one course, and receive a single grade for that course; further, no two students in a course receive the same grade.”

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• [PDF File]A PROC SQL+Data Step Alternative to the Hash Object for ...

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  12 odx2 Char 5 13 odx3 Char 5 14 odx4 Char 5 ... 40 payor Char 2 10 pdx Char 5 ... 5 zip Char 5 PROC SQL can be used to create a portion of the SAS code similar to that used in example 2. The macro variable &DATASETS is created in example 4 and itsvalue isshown on the right, below

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• [PDF File]Review SQL: The Query Language Part 1

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  2 102 9/13 Reserves bid bname color 101 Nina red 102 Pinta blue 103 Santa Mariared Boats. Review: SQL DDL CREATE TABLE Sailors (sid INTEGER, sname CHAR(20), rating INTEGER, age REAL, PRIMARY KEY sid); CREATE TABLE Boats (S bid INTEGER, bname CHAR (20), Fcolor CHAR(10) ... 10 29/ 2 10 9/3 R esrv Basic SQL Query SELECT [DISTINCT] target-list FROM ...

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• [PDF File]Defining relational schema CS 2451 Database Systems ...

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  SQL Data Types…similar to proglang Data Type Description BOOLEAN TRUE or FALSE CHAR Fixed length string (padded with blanks) e.g. CHAR(10) VARCHAR Variable length string e.g. VARCHAR(50) BIT Bit string e.g. BIT(4) can store '0101' NUMERIC or DECIMAL Exact numeric data type e.g. NUMERIC(7,2) has a precision (max.

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• [PDF File]Oracle/SQL Tutorial - Emory University

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  2. SQL*Plus (Minimal User Guide, Editor Commands, Help System) 20 3. Oracle Data Dictionary 23 4. Application Programming 4.1. PL/SQL 4.1.1 Introduction 26 4.1.2 Structure of PL/SQL Blocks 27 4.1.3 Declarations 27 4.1.4 Language Elements 28 4.1.5 Exception Handling 32 4.1.6 Procedures and Functions 34 4.1.7 Packages 36 4.1.8 Programming in PL ...

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• [PDF File]SQL: Overview and highlights - Princeton University

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  Primary and Candidate Keys in SQL Possibly many candidate keys (specified using UNIQUE), one of which is chosen as the primary key. CREATE TABLE •Book (isbn lCHAR(10) title CHAR(100), o ed INTEGER, pub CHAR(30), date INTEGER, PRIMARY KEY (isbn), UNIQUE (title, ed )) There at most one book with a given title and edition –

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• [PDF File]The Relational Model

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  * Structured Query Language SQL - A language for Relational DBs ... Faloutsos 15-415 13 Creating Relations in SQL ... Primary and Candidate Keys in SQL CREATE TABLE Enrolled (sid CHAR(20) cid CHAR(20), grade CHAR(2), PRIMARY KEY (sid,cid)) CREATE TABLE Enrolled

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