oracle sql tuning pocket reference download

Ngày tải lên: 25/03/2014, 10:51

Ngày tải lên: 25/03/2014, 10:51

... PL /SQL programs even between client and server PL /SQL programs. Prior to PL /SQL Release 2.3, you would have had to fetch all data from the cursor, store it in PL /SQL variables (perhaps a PL /SQL ... this book is on standalone PL /SQL development, I present cursor variables as a PL /SQL Release 2.3 enhancement. If you do have PL /SQL Release 2.2 and work with PL /SQL in a host language environment, ... Variables In PL /SQL Release 2.3, available with the release of Oracle Server Release 7.3, you can create and use cursor variables. Unlike an explicit cursor, which names the PL /SQL work area for...

Ngày tải lên: 17/10/2013, 22:15

... In native SQL, this select list may contain both columns and expressions (SQL functions on those columns, constants, etc.). In PL /SQL, the select list of a SELECT may contain PL /SQL variables, ... Cursor variables cannot be used with dynamic SQL (through use of the DBMS _SQL package). Previous: 6.11 SELECT FOR UPDATE in Cursors Oracle PL /SQL Programming, 2nd Edition Next: 6.13 Working ... SQL Cursor Attributes" later in the chapter. You can reference cursor attributes in your PL /SQL code, as shown in the preceding example, but you cannot use those attributes inside a SQL...

Ngày tải lên: 20/10/2013, 17:15

... of options in PL /SQL for executing SQL, and all of them occur as some type of cursor. Generally, there are two types of SQL that you can execute in PL /SQL: static and dynamic. SQL is static if ... content of the SQL statement is determined at compile time. A SQL statement is dynamic if it is constructed at runtime and then executed. Dynamic SQL is made possible in PL /SQL only through ... through the use of the DBMS _SQL built-in package (see Appendix C, Built-In Packages). All other forms of SQL executed inside a PL /SQL program represent static SQL; these forms of cursors are...

Ngày tải lên: 20/10/2013, 17:15

... category are all subtypes of NUMBER. They are provided in ORACLE& apos;s SQL and in PL /SQL in order to offer compatibility with ANSI SQL, SQL/ DS, and DB2 datatypes. They have the same range of ... takes place. Previous: 4.1 Identifiers Oracle PL /SQL Programming, 2nd Edition Next: 4.3 NULLs in PL/ SQL 4.1 Identifiers Book Index 4.3 NULLs in PL /SQL The Oracle Library Navigation Copyright ... Previous: II. PL /SQL Language Elements Oracle PL /SQL Programming, 2nd Edition Next: 4.2 Scalar Datatypes II. PL /SQL Language Elements Book Index 4.2 Scalar Datatypes The Oracle Library Navigation ...

Ngày tải lên: 24/10/2013, 15:15

... Formatting PL /SQL Blocks Oracle PL /SQL Programming, 2nd Edition Next: 3.6 Using Comments Effectively 3.4 Formatting PL /SQL Blocks Book Index 3.6 Using Comments Effectively The Oracle Library ... next_year_plan); Previous: 2.7 Block Structure Oracle PL /SQL Programming, 2nd Edition Next: 3.2 Formatting SQL Statements 2.7 Block Structure Book Index 3.2 Formatting SQL Statements The Oracle Library Navigation ... Formatting Control Structures Oracle PL /SQL Programming, 2nd Edition Next: 3.5 Formatting Packages 3.3 Formatting Control Structures Book Index 3.5 Formatting Packages The Oracle Library Navigation ...

Ngày tải lên: 24/10/2013, 15:15

... Previous: 1.1 What Is PL/ SQL? Oracle PL /SQL Programming, 2nd Edition Next: 1.3 The Origins of PL /SQL 1.1 What Is PL /SQL? Book Index 1.3 The Origins of PL /SQL The Oracle Library Navigation ... 1.4 PL /SQL Versions Oracle PL /SQL Programming, 2nd Edition Next: 1.6 A Few of My Favorite (PL /SQL) Things 1.4 PL /SQL Versions Book Index 1.6 A Few of My Favorite (PL /SQL) Things The Oracle ... Favorite (PL /SQL) Things Oracle PL /SQL Programming, 2nd Edition Next: 2. PL /SQL Language Fundamentals 1.6 A Few of My Favorite (PL /SQL) Things Book Index 2. PL /SQL Language Fundamentals The Oracle...

Ngày tải lên: 28/10/2013, 22:15

... written in SQL* Forms, SQL* Reportwriter, SQL* Plus, and SQL* Menu. While their PL /SQL skills have progressed to meet the needs of specific applications, most could expand both their PL /SQL knowledge ... Oracle objects option) PL /SQL is integrated tightly into Oracle& apos;s SQL language: you can execute SQL statements directly from your procedural program. Conversely, you can also call PL /SQL ... with all of the hoopla over Java, PL /SQL is still the best way to build programs to access data in Oracle7 and Oracle8 databases. After Oracle began using PL /SQL to build its own tools for replication,...

Ngày tải lên: 28/10/2013, 22:15

... and Modifying PL /SQL Table Rows Filling the Rows of a PL /SQL Table Clearing the PL /SQL Table PL /SQL Table Enhancements in PL /SQL Release 2.3 Working with PL /SQL Tables A PL /SQL table is a one-dimensional, ... PL /SQL Tables Chapter 10 PL /SQL Tables Next: 10.4 Declaring a PL/ SQL Table 10.3 PL /SQL Tables and DML Statements Tables are PL /SQL constructs. PL /SQL is a linguistic extension of the Oracle ... Collections Oracle PL /SQL Programming, 2nd Edition Next: 10.3 PL /SQL Tables and DML Statements 10.1 PL /SQL Tables and Other Collections Book Index 10.3 PL /SQL Tables and DML Statements The Oracle...

Ngày tải lên: 07/11/2013, 19:15

... Previous: 10.7 Clearing the PL /SQL Table Chapter 10 PL /SQL Tables Next: 10.9 Working with PL /SQL Tables 10.8 PL /SQL Table Enhancements in PL /SQL Release 2.3 PL /SQL Release 2.3 offers significantly ... than the Oracle database shared memory. Previous: 10.8 PL /SQL Table Enhancements in PL/ SQL Release 2.3 Oracle PL /SQL Programming, 2nd Edition Next: III. Built-In Functions 10.8 PL /SQL Table ... company_rec; END LOOP; 10.8.2 PL /SQL Table Built-ins Each of the PL /SQL table built-in procedures and functions provides different information about the referenced PL /SQL table, except for DELETE,...

Ngày tải lên: 07/11/2013, 19:15

... or a number value. The Oracle Server and PL /SQL provide a number of different character datatypes, including CHAR, VARCHAR, VARCHAR2, LONG, RAW, and LONG RAW. In PL /SQL, the three different ... Character Function Descriptions Oracle PL /SQL Programming, 2nd Edition Next: 12. Date Functions 11.1 Character Function Descriptions Book Index 12. Date Functions The Oracle Library Navigation ... Built-In Functions Oracle PL /SQL Programming, 2nd Edition Next: 11.2 Character Function Examples III. Built-In Functions Book Index 11.2 Character Function Examples The Oracle Library Navigation ...

Ngày tải lên: 07/11/2013, 19:15

... printer. Preference data Information about the preferences of the user, such as "Display Toolbar" or "Automatically pop up a list of values boxes." Assuming an Oracle Forms-based ... is still needed, PL /SQL attempts to convert the data implicitly to the datatypes needed to perform the operation. I recommend that you avoid allowing either the SQL or PL /SQL languages to perform ... function, which executes underlying code. NOTE: In Oracle Version 6 and the earliest releases of the Oracle Server, when you called SYSDATE, PL /SQL issued an implicit cursor to the database to...

Ngày tải lên: 15/12/2013, 04:15

... of PL /SQL. ● Chapter 17, Calling PL /SQL Functions in SQL, describes how you can construct PL /SQL functions and call them from SQL. Previous: 14.3 Conversion Function Examples Oracle PL /SQL Programming, ... a PL /SQL table You can also store the date masks in a PL /SQL table (PL /SQL tables are explained fully in Chapter 10, PL /SQL Tables). The PL /SQL table structure, available only with PL /SQL Version ... advanced features of PL /SQL modules, including overloading and forward referencing. Previous: IV. Modular Code Oracle PL /SQL Programming, 2nd Edition Next: 15.2 Review of PL/ SQL Block Structure IV....

Ngày tải lên: 15/12/2013, 04:15

... Previous: 15.3 The Anonymous PL /SQL Block Oracle PL /SQL Programming, 2nd Edition Next: 15.5 Functions 15.3 The Anonymous PL/ SQL Block Book Index 15.5 Functions The Oracle Library Navigation Copyright ... coded in PL/ SQL. While the trigger has a name, the PL /SQL code itself is unnamed, hence anonymous. Script SQL* Plus and SQL* DBA Ad hoc programs and batch processing scripts written in SQL* Plus ... supported by PL /SQL, including scalars like these: ● VARCHAR2 ● NUMBER ● BINARY_INTEGER ● BOOLEAN Functions can also return complex and composite datatypes, such as: ● PL /SQL table (Oracle7 ) ●...

Ngày tải lên: 15/12/2013, 04:15

... Stored Functions in SQL Chapter 17 Calling PL /SQL Functions in SQL Next: 17.5 Calling Packaged Functions in SQL 17.4 Restrictions on PL /SQL Functions in SQL Stored functions in SQL offer tremendous ... 16.5 Package Data Oracle PL /SQL Programming, 2nd Edition Next: 17. Calling PL /SQL Functions in SQL 16.5 Package Data Book Index 17. Calling PL /SQL Functions in SQL The Oracle Library Navigation ... Calling Stored Functions in SQL Chapter 17 Calling PL /SQL Functions in SQL Next: 17.4 Restrictions on PL /SQL Functions in SQL 17.3 Requirements for Stored Functions in SQL There are several requirements...

Ngày tải lên: 15/12/2013, 04:15

... Precedence Chapter 17 Calling PL /SQL Functions in SQL Next: 17.8 Examples of Embedded PL /SQL 17.7 Realities: Calling PL /SQL Functions in SQL The ability to call PL /SQL functions in SQL has been around ... Calling PL /SQL Functions in SQL Chapter 17 Calling PL /SQL Functions in SQL Next: V. New PL /SQL8 Features 17.8 Examples of Embedded PL /SQL The more you think about stored functions in SQL, the ... Functions in SQL Oracle PL /SQL Programming, 2nd Edition Next: 17.7 Realities: Calling PL /SQL Functions in SQL 17.5 Calling Packaged Functions in SQL Book Index 17.7 Realities: Calling PL/ SQL Functions...

Ngày tải lên: 15/12/2013, 04:15

Ngày tải lên: 15/12/2013, 04:15

Ngày tải lên: 15/12/2013, 04:15

Ngày tải lên: 15/12/2013, 04:15