Có 40+ tài liệu thuộc chủ đề "sql"
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Selecting Rows. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 1Ć2. Selecting Rows 1Ć3. D Edit SQL statements in the SQL*Plus buffer and create command files.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 1Ć4. Selecting Rows 1Ć5. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 1Ć6. Selecting Rows 1Ć7. D Place a semicolon or slash on...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 13Ć2. Demonstration: l13dd.sql Practice: None. Many applications require the use of unique numbers as primary key values.. You can either build code into the application to handle this requirement or use a sequence to generate unique numbers. D Create a sequence.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 13Ć4....
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Overview of Data Modeling and Database Design. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 8Ć2. Overview of Data Modeling and Database Design 8Ć3. You also translate an entity relationship model into a relational database design.. D List and define basic types of data relationships.. D Read an entity relationship model.. D Translate an entity relationship model into a...
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Practice Solutions. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder AĆ4. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder AĆ6. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder AĆ8. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder AĆ10. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder AĆ12. Introduction to Oracle: SQL and PL/SQL Using Procedure...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 14Ć2. D Create a view with an option to enforce constraints.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 14Ć4. The view is stored as a SELECT statement in the data dictionary.. D Restrict access to the database because the view can display a selective portion of the database.. One...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 15Ć2. If you want to improve the performance of some queries, you should consider creating an index. D Explain the index structure and why it improves query speed.. D Create a non-unique index.. D Remove an index from the data dictionary.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 15Ć4....
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Table Descriptions and Data. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder BĆ2. Table Descriptions and Data BĆ3. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder BĆ4. ID NOT NULL NUMBER(7). NAME NOT NULL VARCHAR2(50). SALES_REP_ID NUMBER(7). REGION_ID NUMBER(7). Use the provided table descriptions for accurate column names.. Table Descriptions and Data BĆ5. SELECT * FROM s_customer;. Introduction...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 9Ć2. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 9Ć4. Each structure should be outlined in the database design so that it can be created during the build stage of database development.. Sequence Generates primary key values.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 9Ć6. This command is...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 3Ć2. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 3Ć4. Functions are a very powerful feature of SQL and can be used to. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 3Ć6. An argument may be one of the following:. where: function_name is the name of the function.. Introduction...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 16Ć2. This lesson should give students an overview of Oracle7 Server’s security options. This lesson describes the Oracle7 Server decentralized security system. D Explain the concept of the database security model.. D Identify object privileges.. D Grant and revoke object privileges.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 16Ć4....
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Related Products and Services. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder DĆ2. Related Products and Services DĆ3. Related Products. DBA*Assist Version 1.4 is a SQL*Forms application that aids the DBA in managing the Oracle Version 6.0 database. DBA*Assist provides a powerful productivity tool to simplify Oracle database administration in the key areas below.. D Query, add, and alter...
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Copyright EĂOracle Corporation . This documentation contains proprietary information of Oracle Corporation. it is provided under a license agreement containing restrictions on use and discloĆ sure and is also protected by copyright law. Reverse engineering of the software is prohibited. If this documentation is delivered to a U.S. Government Agency of the Department of Defense, then it is delivered with...
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Copyright EĂOracle Corporation . This documentation contains proprietary information of Oracle Corporation. it is provided under a license agreement containing restrictions on use and discloĆ sure and is also protected by copyright law. Reverse engineering of the software is prohibited. If this documentation is delivered to a U.S. Government Agency of the Department of Defense, then it is delivered with...
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Copyright EĂOracle Corporation . This documentation contains proprietary information of Oracle Corporation. it is provided under a license agreement containing restrictions on use and discloĆ sure and is also protected by copyright law. Reverse engineering of the software is prohibited. If this documentation is delivered to a U.S. Government Agency of the Department of Defense, then it is delivered with...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 12Ć2. After you create your tables, you may need to change the table structures because you omitted a column, your column definition needs to be changed, or you want to enable or disable constraints. This lesson will demonstrate how you can amend table structures as well as add and remove constraints.....
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Group Functions. D Identify the available group functions.. D Explain the use of group functions.. D Use the GROUP BY clause to force statistics to be displayed for different groups.. D Use the HAVING clause to include or exclude grouped rows.. GROUP BY and HAVING Clauses in the SELECT Statement. Use the GROUP BY clause in the SELECT statement to...
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ALTER SEQUENCE command, 13Ć17 ALTER TABLE command, 12Ć7. CREATE INDEX command, 15Ć13 CREATE PROCEDURE command, 20Ć7 CREATE SEQUENCE command, 13Ć7 CREATE SYNONYM command, 16Ć25 CREATE TABLE command, 9Ć7, 9Ć25. ALTER TABLE command, 12Ć5 COMMENT command, 12Ć5 CREATE TABLE command, 9Ć7 DROP TABLE command, 12Ć17 RENAME command, 12Ć5 TRUNCATE command, 12Ć5 data dictionary, 9Ć17, 9Ć33, 10Ć5. See data definition language DROP...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder IĆ2. D Develop PL/SQL blocks of application code using Procedure Builder to manipulate data.. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder IĆ4. The first module ends on Day 3 with an optional summary covering the SQL and SQL*Plus content. The second module ends on Day 5 with an optional...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 7Ć2. Demonstration: l7varno.sql, l7varyes.sql, l7expr.sql, l7dbl.sql, l7dlb2.sql, l7prompt.sql, l7param.sql. You can create a command file containing a WHERE clause to restrict the rows displayed. To change the condition each time the command file is run, you use substitution variables. Substitution variables can replace values in the WHERE clause, a text string,...
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Summary of SQL and SQL*Plus. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder 17Ć2. The SQL and SQL*Plus module of the Introduction to Oracle course covered. relational database concepts, the SQL command language, and SQL*Plus commands to execute and format SQL commands.. for example, the information about one department in the table S_DEPT. for example, the department name in...