Tài liệu Summary of PL / SQL doc

Ngày tải lên: 24/01/2014, 10:20

... Developer/2000 components consist of such blocks. Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder26Ć4 Summary of PL/ SQL 26Ć5 Summary continued Procedures Procedures are named PL/ SQL ... Using Procedure Builder26Ć2 Summary of PL/ SQL 26Ć3 Summary PL/ SQL (Procedural Language /SQL) is an extension to SQL. It is a language that allows you to comb...

Ngày tải lên: 17/01/2014, 09:20

... and triggers. Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder18Ć14 Overview of PL/ SQL 18Ć15 The PL/ SQL Environment PL/ SQL is not an Oracle product in its own right; it is a technology employed by the Oracle7 ... it. PL/ SQL is a hybrid language that uses SQL to access the database, but allows explicit processing control on top of SQL. Therefore, PL/...

Ngày tải lên: 24/01/2014, 10:20

... rules. Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder17Ć4 Summary of SQL and SQL* Plus 17Ć5 Summary of SQL and SQL* Plus continued Structured Query Language, SQL* Plus, and PL/ SQL commands are ... of SQL and SQL* Plus 17Ć3 Summary of SQL and SQL* Plus The SQL and SQL* Plus module of the Introduction to Oracle course covered relational...

Ngày tải lên: 09/12/2013, 17:15

... that supports PL/ SQL, such as SQL* Plus. Why Use Procedures? Procedures are created to solve a specific problem or task. PL/ SQL procedures offer the following advantages: •In PL/ SQL, you can tailor ... a named PL/ SQL block that executes with definer rights queries SESSION_ROLES ,the query does not return any rows. Named PL/ SQL blocks that execute with invoker rights and an...

Ngày tải lên: 15/12/2013, 05:15

... Set Oracle Database PL/ SQL Program PL/ SQL Block Variables Fetch Issued F IGURE 9.3 View of the opened cursor after the FETCH command is issued. 13 7982 CH09 1 1/3 0/9 9 1:14 PM Page 250 Please purchase PDF Split-Merge ... explicit. PL/ SQL implicitly declares a cursor for every SQL statement used, regardless of the number of rows returned by the statement. It needs to...

Ngày tải lên: 15/12/2013, 05:15

... ADD_MON Function 1: SQL& gt; EXECUTE debug.erase; 2: 3: PL/ SQL procedure successfully completed. 4: 5: SQL& gt; 6: SQL& gt; The built-in ADD_MONTHS function keeps the date at 7: SQL& gt; the end of the month ... errors. Order of Operations Remember when students would ask if there are any real-world applications of math? Well, understanding the order of operations is critical...

Ngày tải lên: 15/12/2013, 05:15

... DBMS _SQL is used. L ISTING 16.1 Creating the Table mytable from a PL/ SQL Block 1: DECLARE 2: /* The purpose of this PL/ SQL block is to create a table 3: called MyTable, which has two columns of ... SELECT ) • SELECT statements • PL/ SQL blocks You’ll see examples of each of these types in this section. Executing SELECT statements by using DBMS _SQL entails the gr...

Ngày tải lên: 15/12/2013, 05:15

... Dynamic SQL 479 16 Executing PL/ SQL Blocks You can execute PL/ SQL blocks by using native dynamic SQL through the use of the EXECUTE IMMEDIATE statement. Listing 16.9 shows the native dynamic SQL ... DBMS_OUTPUT.PUT(‘Tina’); I NPUT / O UTPUT continues 23 7982 ch17 1 1/3 0/9 9 1:05 PM Page 489 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. 1...

Ngày tải lên: 15/12/2013, 05:15

... between sessions of the same instance. • Both can signal the execution of a C program. • Both are PL/ SQL packages. S YNTAX 25 7982 ch19 1 1/3 0/9 9 1:32 PM Page 555 Please purchase PDF Split-Merge on ... DATE) 25: / I NPUT 25 7982 ch19 1 1/3 0/9 9 1:32 PM Page 537 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. This code is based on the origina...

Ngày tải lên: 15/12/2013, 05:15