www.ATIBOOK.ir
... As noted in the 2002 hit movie About a Boy, no man is an island. While that sentiment is certainly a general truth, it is one that I have specifically experienced as I’ve written this book. As such, I would like to acknowledge the help received from those who assisted, either directly or indirectly, ...
... As noted in the 2002 hit movie About a Boy, no man is an island. While that sentiment is certainly a general truth, it is one that I have specifically experienced as I’ve written this book. As such, I would like to acknowledge the help received from those who assisted, either directly or indirectly, ...
Answers to Chapters 7, 9 and 10
... PROD_QOH in a table named PRODUCT. And each time the product ABC is created, the parts inventory, using PART_QOH in a table named PART, must be reduced by one each of parts A, B, and C. The sample database contents are shown in Table P9.1 ...
... PROD_QOH in a table named PRODUCT. And each time the product ABC is created, the parts inventory, using PART_QOH in a table named PART, must be reduced by one each of parts A, B, and C. The sample database contents are shown in Table P9.1 ...
Unle ashing the Full Potenti alof the ORA CL E DBMS byLever
... apart from literals. I recommend reading the section Top Ten Mistakes Found in Oracle Systems on page 3–4 of Oracle Database Performance Tuning Guide 10g Release 2 before beginning design and coding of an application. While bind variables are mandatory to achieve scalability in high volume transacti ...
... apart from literals. I recommend reading the section Top Ten Mistakes Found in Oracle Systems on page 3–4 of Oracle Database Performance Tuning Guide 10g Release 2 before beginning design and coding of an application. While bind variables are mandatory to achieve scalability in high volume transacti ...
CAMEO DATA MODELER PLUGIN
... This plugin enables you to draw entity-relationship diagrams (using the crow's foot notation). This is a fullfeatured variant of ER diagram (including extended entity-relationship concepts - like generalization), providing a spectrum of capabilities for logical data modeling. This plugin provides SQ ...
... This plugin enables you to draw entity-relationship diagrams (using the crow's foot notation). This is a fullfeatured variant of ER diagram (including extended entity-relationship concepts - like generalization), providing a spectrum of capabilities for logical data modeling. This plugin provides SQ ...
Interfacing a Natural Language Front
... The modi ed version of Masque, called Masque/SQL, that was produced during this project, transforms each user question into an appropriate SQL query. The SQL query is executed against the relational database, and the results are reported back to the user. Masque/SQL was tested using a world-geograph ...
... The modi ed version of Masque, called Masque/SQL, that was produced during this project, transforms each user question into an appropriate SQL query. The SQL query is executed against the relational database, and the results are reported back to the user. Masque/SQL was tested using a world-geograph ...
Database Programming in SQL/Oracle
... • Relational Model by Codd (1970): mathematical foundation: set theory • a relation schema consists of a name and a set of attributes, Continent: Name, Area • each attribute is associated with a Domain which specifies the possible values of the attribute. Often, attributes also can have a null value ...
... • Relational Model by Codd (1970): mathematical foundation: set theory • a relation schema consists of a name and a set of attributes, Continent: Name, Area • each attribute is associated with a Domain which specifies the possible values of the attribute. Often, attributes also can have a null value ...
SQL Standardization: The Next Steps
... another incremental part of SQL, part 7, called SQL/Temporal. For those of you not used to the terminology, temporal data is what allows you to telephone your bank to complain about missing your checking account statement from July, 1998, and actually get your missing statement in the mail a few day ...
... another incremental part of SQL, part 7, called SQL/Temporal. For those of you not used to the terminology, temporal data is what allows you to telephone your bank to complain about missing your checking account statement from July, 1998, and actually get your missing statement in the mail a few day ...
Introducing WCF
... LINQ To DataSet The DataSet is a key element of the disconnected programming model that ADO.NET is built on, and is widely used. LINQ to DataSet enables developers to build richer query capabilities into DataSet by using the same query formulation mechanism that is available for many other data sou ...
... LINQ To DataSet The DataSet is a key element of the disconnected programming model that ADO.NET is built on, and is widely used. LINQ to DataSet enables developers to build richer query capabilities into DataSet by using the same query formulation mechanism that is available for many other data sou ...
Working with Databases in PHP
... The returned result depends on the query If query is select, show, describe, explain – returns resource or false on error Otherwise true if successful, false on error ...
... The returned result depends on the query If query is select, show, describe, explain – returns resource or false on error Otherwise true if successful, false on error ...
Key/Value Pair versus hstore - HSR-Wiki
... Listing 1: Hstore data type definition ........................................................................................................................... 5 Listing 2: Registering a PostgreSQL operator .......................................................................................... ...
... Listing 1: Hstore data type definition ........................................................................................................................... 5 Listing 2: Registering a PostgreSQL operator .......................................................................................... ...
Xregion - University of Alberta
... Figure 1: An example for Xregion. relation schema is course table (course, @cno, title, sections). The advantages to partition and store XML documents based on cardinality of node occurrences are as follows. First, since each region contains no further nested structure, i.e. no other set-valued node ...
... Figure 1: An example for Xregion. relation schema is course table (course, @cno, title, sections). The advantages to partition and store XML documents based on cardinality of node occurrences are as follows. First, since each region contains no further nested structure, i.e. no other set-valued node ...
Accessing Databases with JDBC
... A database is an organized collection of data. There are many different strategies for organizing data to facilitate easy access and manipulation. A database management system (DBMS) provides mechanisms for storing, organizing, retrieving and modifying data for many users. Database management system ...
... A database is an organized collection of data. There are many different strategies for organizing data to facilitate easy access and manipulation. A database management system (DBMS) provides mechanisms for storing, organizing, retrieving and modifying data for many users. Database management system ...
Chapter 1 INTRODUCTION.
... 1.2.2 The Primary key and the foreign Key. The two tables described in the previous section and shown in Figures 1.1 and 1.2, now constitute a relational database. Of course, in a real personnel database, you would need to store a great deal more information and would thus need a lot more related t ...
... 1.2.2 The Primary key and the foreign Key. The two tables described in the previous section and shown in Figures 1.1 and 1.2, now constitute a relational database. Of course, in a real personnel database, you would need to store a great deal more information and would thus need a lot more related t ...
PROC SQL: From SELECT to Pass-Through SQL
... To remove these records before reloading the data, we would first delete the records that were loaded in error. PROC SQL; DELETE FROM analytic.membership WHERE load_date = '31JUL2010'D; QUIT; Note here that the WHERE clause works in the same fashion with a DELETE statement as it does with a SELECT s ...
... To remove these records before reloading the data, we would first delete the records that were loaded in error. PROC SQL; DELETE FROM analytic.membership WHERE load_date = '31JUL2010'D; QUIT; Note here that the WHERE clause works in the same fashion with a DELETE statement as it does with a SELECT s ...
Migrating Applications and Databases to Oracle Database 12c
... to connect to third party databases, run their SQL statements, translate them to Oracle, run the statements again in Oracle Database, and compare the results. Developers can then manually update their applications to run the modified code. This works fine for static SQL, but there was no solution fo ...
... to connect to third party databases, run their SQL statements, translate them to Oracle, run the statements again in Oracle Database, and compare the results. Developers can then manually update their applications to run the modified code. This works fine for static SQL, but there was no solution fo ...
A TOOLKIT FOR MANAGING XML DATA WITH A RELATIONAL
... provides advanced features to model constraints on the data, using an XML schema or a Document Type Definition (DTD). However, XML does have some differences with the other semistructured data models: (1) XML has ordered collections while semistructured data are unordered, (2) Attributes in XML can ...
... provides advanced features to model constraints on the data, using an XML schema or a Document Type Definition (DTD). However, XML does have some differences with the other semistructured data models: (1) XML has ordered collections while semistructured data are unordered, (2) Attributes in XML can ...
PL/SQL Programming for .NET Developers
... Best Practices for Performance of Oracle Database on Windows ...
... Best Practices for Performance of Oracle Database on Windows ...
mysql Functions
... A common feature of all four functions is that with each call, the next record is automatically returned (or FALSE if the end of the list of data has been reached PHP stores query results until the end of the script. If a query result must be released earlier (for example, if you have executed a lar ...
... A common feature of all four functions is that with each call, the next record is automatically returned (or FALSE if the end of the list of data has been reached PHP stores query results until the end of the script. If a query result must be released earlier (for example, if you have executed a lar ...
BCA Database Management System
... 13. In the........... Normal form, a composite attribute is converted to individual attributes. A) First B) Second C) Third D) Fourth Correct Answer: A 14. In RDBMS, Data is presented as a collection of............ A) Table B) Attributes C) Relations D) Entities Correct Answer: C 15. A ............. ...
... 13. In the........... Normal form, a composite attribute is converted to individual attributes. A) First B) Second C) Third D) Fourth Correct Answer: A 14. In RDBMS, Data is presented as a collection of............ A) Table B) Attributes C) Relations D) Entities Correct Answer: C 15. A ............. ...
kifer_268334_ppt08
... EXEC SQL PREPARE st FROM :my_sql_stmt; EXEC SQL ALLOCATE DESCRIPTOR ‘st_output’; EXEC SQL DESCRIBE OUTPUT st USING SQL DESCRIPTOR ‘st_output’ – The SQL statement to execute is known only at run time – At this point DBMS knows what the exact statement is (including the table name, the number of out p ...
... EXEC SQL PREPARE st FROM :my_sql_stmt; EXEC SQL ALLOCATE DESCRIPTOR ‘st_output’; EXEC SQL DESCRIBE OUTPUT st USING SQL DESCRIPTOR ‘st_output’ – The SQL statement to execute is known only at run time – At this point DBMS knows what the exact statement is (including the table name, the number of out p ...