pl sql character and string types
Tài liệu PL/SQL User''''s Guide and Reference pdf
... 3-1 PL/ SQL Number Types 3-2 PL/ SQL Character and String Types 3-4 PL/ SQL National Character Types 3-8 PL/ SQL LOB Types 3-10 PL/ SQL Boolean Types ... Advantages of PL/ SQL Figure 1–1 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle Database with PL/ SQL RPC Oracle ... Started with PL/ SQL Chapter 1, "Overview of PL/ SQL" Summarizes the main features of PL/ SQL and their advantages Introduces the basic concepts behind PL/ SQL and the general appearance of PL/ SQL programs...
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Oracle® Database PL/SQL User''''s Guide and Reference potx
... Advantages of PL/ SQL Figure 1–1 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle Database with PL/ SQL RPC Oracle ... Oracle Database PL/ SQL User’s Guide and Reference PL/ SQL Architecture Figure 1–3 PL/ SQL Engine PL/ SQL Engine procedural PL/ SQL Block PL/ SQL Block Procedural Statement Executor SQL SQL Statement ... compile-time and runtime limits imposed by PL/ SQL Appendix D, "PL/ SQL Reserved Words and Keywords" Lists the words that are reserved for use by PL/ SQL PL/ SQL Sample Programs You can install the PL/ SQL...
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PL/SQL Packages and Types Reference 10g Release 1 (10.1) Part No. B10802-01 December 2003 .PL/SQL
... Examples Code examples illustrate SQL, PL/ SQL, SQL* Plus, or other command-line statements They are displayed in a monospace (fixed-width) font and separated from normal text as shown in this example: ... privileges, datatypes, RMAN keywords, SQL keywords, SQL* Plus or utility commands, packages and methods, as well as system-supplied column names, database objects and structures, user names, and roles ... example: package_name.type_name package_name.item_name package_name.subprogram_name 1-6 PL/ SQL Packages and Types Reference Summary of Oracle Supplied PL/ SQL Packages Abbreviations for Datetime and...
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Introduction to Oracle9i : PL/SQL
... Oracle SQL: DML and DDL Oracle SQL and SQL* Plus: Advanced SELECT Statements Oracle SQL and SQL* Plus: SQL* Plus and Reporting Oracle SQL Specifics: Retrieving and Formatting Data Oracle SQL Specifics: ... With PL/ SQL, you can use SQL statements to finesse Oracle data, and PL/ SQL control statements to process the data Introduction to Oracle9i: PL/ SQL I-3 PL/ SQL Environment PL/ SQL engine PL/ SQL block ... and PL/ SQL Blocks 1-4 Block Types 1-5 Program Constructs 1-6 Use of Variables 1-7 Handling Variables in PL/ SQL 1-8 Types of Variables 1-9 Using iSQL*Plus Variables Within PL/ SQL Blocks 1-10 Types...
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Tài liệu Using SQL *Plus to Create Report and Manage Pl/SQL code doc
... Using SQL* Plus to Create Reports and Manage PL/ SQL Code CĆ7 CĆ8 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Comparison of SQL and SQL* Plus Commands This table compares SQL and SQL* Plus ... the SQL* Plus environment, and display column definitions Using SQL* Plus to Create Reports and Manage PL/ SQL Code CĆ5 Entering Commands in SQL* Plus CĆ6 Introduction to Oracle: SQL and PL/ SQL Using ... Manipulating PL/ SQL Using SQL* Plus You can use SQL* Plus to create, debug, and execute PL/ SQL blocks D Create and modify anonymous blocks and program units with SQL* Plus and the online editor D Execute SQL* Plus...
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Tài liệu introduction to oracle: SQL and PL / SQL doc
... not warrant that this document is error free SQL* Plus, PL/ SQL, Procedure Builder, Developer/2000, Oracle7 Server, Oracle Server, Discoverer/2000, and Designer/2000 are trademarks or registered ... Nagarathnam Sandra Schrick Ulrike Schwinn Rosemarie Truman Jenny Tsai Laura Van Deusen Use, duplication or disclosure by the Government is subject to restrictions for commercial computer software and ... Department of Defense, then it is delivered with Restricted Rights and the folĆ lowing legend is applicable: Technical Contributors and Reviewers Restricted Rights Legend Christian Bauwens Debra...
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Tài liệu introduction to oracle: SQL and PL / SQL using procedure builder ppt
... not warrant that this document is error free SQL* Plus, PL/ SQL, Procedure Builder, Developer/2000, Oracle7 Server, Oracle Server, Discoverer/2000, and Designer/2000 are trademarks or registered ... Nagarathnam Sandra Schrick Ulrike Schwinn Rosemarie Truman Jenny Tsai Laura Van Deusen Use, duplication or disclosure by the Government is subject to restrictions for commercial computer software and ... Department of Defense, then it is delivered with Restricted Rights and the folĆ lowing legend is applicable: Technical Contributors and Reviewers Restricted Rights Legend Christian Bauwens Debra...
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Tài liệu PL-SQL User''''s Guide and Reference pdf
... environments 1-22 PL/ SQL User’s Guide and Reference Advantages of PL/ SQL Tight Integration with SQL The PL/ SQL and SQL languages are tightly integrated PL/ SQL supports all the SQL datatypes and the non-value ... Application Other DBMSs SQL SQL Application Application SQL IF THEN SQL ELSE SQL END IF; SQL RPC Oracle with PL/ SQL Oracle with PL/ SQL and Stored Procedures PL/ SQL also improves performance by ... local PL/ SQL engine must rely on Oracle to process PL/ SQL blocks and subprograms When it contains the PL/ SQL engine, an Oracle server can process PL/ SQL blocks and subprograms as well as single SQL...
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Tài liệu introduction to oracle: SQL and PL / SQL using procedure builder pdf
... not warrant that this document is error free SQL* Plus, PL/ SQL, Procedure Builder, Developer/2000, Oracle7 Server, Oracle Server, Discoverer/2000, and Designer/2000 are trademarks or registered ... Nagarathnam Sandra Schrick Ulrike Schwinn Rosemarie Truman Jenny Tsai Laura Van Deusen Use, duplication or disclosure by the Government is subject to restrictions for commercial computer software and ... Department of Defense, then it is delivered with Restricted Rights and the folĆ lowing legend is applicable: Technical Contributors and Reviewers Restricted Rights Legend Christian Bauwens Debra...
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Tài liệu introduction to oracle: SQL and PL / SQL using procedure builder doc
... not warrant that this document is error free SQL* Plus, PL/ SQL, Procedure Builder, Developer/2000, Oracle7 Server, Oracle Server, Discoverer/2000, and Designer/2000 are trademarks or registered ... Nagarathnam Sandra Schrick Ulrike Schwinn Rosemarie Truman Jenny Tsai Laura Van Deusen Use, duplication or disclosure by the Government is subject to restrictions for commercial computer software and ... Department of Defense, then it is delivered with Restricted Rights and the folĆ lowing legend is applicable: Technical Contributors and Reviewers Restricted Rights Legend Christian Bauwens Debra...
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Tài liệu Instructor Guide for Introduction to Oracle: SQL and PL/SQL ppt
... PL/ SQL Environment PL/ SQL engine PL/ SQL block PL/ SQL block PL/ SQL SQL Procedural Statement Executor SQL Statement Executor Oracle Server Hint Draw attention to the fact that PL/ SQL can ... SQL and SQL* Plus Interaction SQL Statements SQL Statements Buffer Server SQL* Plus SQL* Plus Commands Query Results Hint Give an overview of all the uses of the SQL statements Explain SQL as ... buffer SQL* Plus • An environment • Oracle proprietary • Keywords can be abbreviated • Commands not allow manipulation of values in the database SQL* Plus commands SQL* Plus buffer Hint For SQL commands,...
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Introduction to Oracle: SQL and PL/SQL Using Procedure Builder potx
... and PL/ SQL Using Procedure Builder SQL, SQL* Plus, and PL/ SQL SQL, SQL* Plus, and PL/ SQL commands are used to access and manipulate data stored in an Oracle database SQL* Plus, SQL, and PL/ SQL Language ... Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder SQL, SQL* Plus, and PL/ SQL continued SQL* Plus Command Categories Category Purpose Environment Affects the general behavior of SQL statements ... Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder SQL, SQL* Plus, and PL/ SQL continued SQL is the industry standard language for relational databases The American National Standards Institute...
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PL/SQL User’s Guide and Reference phần 1 pdf
... Application Other DBMSs SQL SQL Application SQL IF THEN SQL ELSE SQL END IF; SQL Oracle8i with PL/ SQL Application RPC Oracle8i with PL/ SQL and Stored Procedures PL/ SQL also improves performance ... cached and shared among users That lowers memory requirements and invocation overhead Overview 1-21 Advantages of PL/ SQL Figure 1–5 PL/ SQL Boosts Performance SQL SQL Application Other DBMSs SQL SQL ... local PL/ SQL engine must rely on Oracle to process PL/ SQL blocks and subprograms When it contains the PL/ SQL engine, an Oracle server can process PL/ SQL blocks and subprograms as well as single SQL...
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PL/SQL User’s Guide and Reference phần 2 doc
... functions and format models, see Oracle8i SQL Reference 2-24 PL/ SQL User’s Guide and Reference User-Defined Subtypes User-Defined Subtypes Each PL/ SQL base type specifies a set of values and a set ... 2-50 PL/ SQL User’s Guide and Reference Expressions and Comparisons Zero-Length Strings PL/ SQL treats any zero-length string like a null This includes values returned by character functions and ... to another For example, if you want to examine a rowid, you must convert it to a character string PL/ SQL supports both explicit and implicit (automatic) datatype conversion Explicit Conversion...
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PL/SQL User’s Guide and Reference phần 3 pdf
... the SQL statements and, in some cases, returns data to the PL/ SQL engine Figure 4–3 Context Switching PL/ SQL Engine Procedural Statement Executor procedural PL/ SQL Block SQL Engine SQL d a t a SQL ... 5-1 SQL Support SQL Support By extending SQL, PL/ SQL offers a unique combination of power and ease of use You can manipulate Oracle data flexibly and safely because PL/ SQL fully supports all SQL ... Within PL/ SQL, to manipulate a local collection, use the operators TABLE and CAST The operands of CAST are a collection declared locally (in a PL/ SQL anonymous block for example) and a SQL collection...
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PL/SQL User’s Guide and Reference phần 4 pptx
... VARIABLE return_code NUMBER Both SQL* Plus and PL/ SQL can reference the host variable, and SQL* Plus can display its value However, to reference a host variable in PL/ SQL, you must prefix its name with ... cursor variable */ EXEC SQL CLOSE :generic_cv; } exit(0); } void sql_ error() { /* Handle SQL error here */ } 5-28 PL/ SQL User’s Guide and Reference Using Cursor Variables Example A host variable ... techniques for improving performance and explains how your applications can use them Use Object Types and Collections Collection types (see Chapter 4) and object types (see Chapter 9) increase your...
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PL/SQL User’s Guide and Reference phần 5 ppsx
... exception handler into an enclosing block Error Handling 6-17 Handling Raised Exceptions Using SQLCODE and SQLERRM In an exception handler, you can use the built-in functions SQLCODE and SQLERRM ... the constraints WNPS and RNPS if the function calls SQLCODE or SQLERRM Unhandled Exceptions Remember, if it cannot find a handler for a raised exception, PL/ SQL returns an unhandled exception error ... are named PL/ SQL blocks that can take parameters and be invoked PL/ SQL has two types of subprograms called procedures and functions Generally, you use a procedure to perform an action and a function...
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PL/SQL User’s Guide and Reference phần 6 docx
... related types, items, and subprograms in a named PL/ SQL module Each package is easy to understand, and the interfaces between packages are simple, clear, and well defined This aids application ... (x Complex) RETURN Complex, MEMBER FUNCTION times (x Complex) RETURN Complex, MEMBER FUNCTION divby (x Complex) RETURN Complex ); CREATE TYPE BODY Complex AS MEMBER FUNCTION plus (x Complex) ... other object types) The datatype can be any Oracle type except s LONG and LONG RAW s NCHAR, NCLOB, and NVARCHAR2 s ROWID and UROWID s s the PL/ SQL- specific types BINARY_INTEGER (and its subtypes),...
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PL/SQL User’s Guide and Reference phần 7 ppt
... never-opened cursor variable, PL/ SQL raises INVALID_CURSOR 10-8 PL/ SQL User’s Guide and Reference Using the OPEN-FOR, FETCH, and CLOSE Statements Some Examples As the following example shows, you can fetch ... page 2-28 11-4 PL/ SQL User’s Guide and Reference Assignment Statement indicator_name This identifies an indicator variable declared in a PL/ SQL host environment and passed to PL/ SQL Indicator variables ... individual elements PL/ SQL keeps placeholders for deleted elements So, you can replace a deleted element simply by assigning it a new value However, PL/ SQL does not keep placeholders for trimmed...
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Oracle® Database Concepts doc
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