by sql clause 383
Hacking Credit Card – Sql Blind V.1 (Power by Tieuquainho)
... ucase(Username)"SUPPLIER" then sql = "select * from tbluser where fldusername='" & username & "' and fldpassword='" & userpassword & "'" Set rs = myconn.Execute (SQL) if not rs.eof then CheckSecondpassword ... getconfig("xAllowSupplierlogin")"Yes" then exit sub sql = "select * from suppliers where supplieruserid='" & username & "' and supplierpassword='" & userpassword & "'" Set rs = myconn.Execute (SQL) If err.number>0 then ... rs=nothing end if end if end sub Sub GetUserTables dim rs sql = "select * from tbluser where fldusername='supplier'" Set rs = myconn.Execute (SQL) if err.number>0 then msg="database Open error"...
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Tài liệu Using the SQL Server FOR XML Clause ppt
... is contained in a T -SQL script named ForXmlRaw .sql, which is located in the sql directory for this chapter You can load the ForXmlRaw .sql T -SQL script into Query Analyzer by selecting File ➣ ... UNION ALL clause causes the results retrieved by the two SELECT statements to be merged into one result set The combined result set produced by the UNION ALL clause is then converted to XML by the ... the FOR XML AUTO clause Listing 16.2: FORXMLAUTO .SQL USE Northwind SELECT TOP CustomerID, CompanyName, ContactName FROM Customers ORDER BY CustomerID FOR XML AUTO The XML returned by this example...
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Tài liệu Oracle PL/SQL by Example- P1 docx
... PL /SQL Concepts CHAPTER OBJECTIVES In this chapter, you will learn about PL /SQL in client/server architecture PL /SQL in SQL* Plus PL /SQL stands for Procedural Language Extension to SQL PL /SQL ... performance optimizer enables the PL /SQL compiler to rearrange PL /SQL code to enhance performance The optimization level used by the PL /SQL compiler is controlled by the PLSQL_OPTIMIZE_ LEVEL parameter ... Introduction xvii CHAPTER PL /SQL Concepts LAB 1.1 PL /SQL in Client/Server Architecture 10 1.1.1 Use PL /SQL Anonymous Blocks 1.1.2 Understand How PL /SQL Gets Executed LAB 1.2 PL /SQL in SQL* Plus 1.2.1 Use...
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Tài liệu Oracle PL/SQL by Example- P2 pptx
... PL /SQL statements This would be true if the program (or PL /SQL block) were executed by SQL* Plus Later, when you write stored code, you would not use the ampersand, but you would use parameters BY ... INSERT, and (most) SELECT statements, but not in expressions, SQL function calls, or certain SQL clauses, such as WHERE, GROUP BY, and CONNECT BY LONG RAW Stores raw binary data of variable length ... Use DML in a PL /SQL block Make use of a sequence in a PL /SQL block VARIABLE INITIALIZATION WITH SELECT INTO PL /SQL has two main methods of giving value to variables in a PL /SQL block The first...
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Tài liệu Oracle PL/SQL by Example- P3 pdf
... which WHEN clause should be executed Each WHEN clause contains an EXPRESSION and one or more executable statements associated with it The ELSE clause is optional It works much like the ELSE clause ... its WHEN clauses contain search conditions that yield a Boolean value similar to the IF statement, not expressions that can yield a value of any type except a PL /SQL record, an index -by- table, ... However, the WHEN clauses are checked sequentially When the value of the expression in the WHEN clause equals the value of the selector, the statements associated with the WHEN clause are executed...
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Tài liệu Oracle PL/SQL by Example- P4 doc
... script ch06_1a .sql using a WHILE loop instead of a simple loop Make sure that the output produced by this script does not differ from the output produced by the script ch06_1a .sql 2) Rewrite ... script ch06_3a .sql using a numeric FOR loop instead of a WHILE loop Make sure that the output produced by this script does not differ from the output produced by the script ch06_3a .sql 3) Rewrite ... script ch06_4a .sql using a simple loop instead of a numeric FOR loop Make sure that the output produced by this script does not differ from the output produced by the script ch06_4a .sql The projects...
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Tài liệu Oracle PL/SQL by Example- P5 docx
... following output: An error has occurred in the program PL /SQL procedure successfully completed In this example, the PL /SQL block is enclosed by another block, and the program can complete This is ... simultaneously When a PL /SQL block is not enclosed by another block, control is transferred to the host environment, and the program cannot complete successfully This is illustrated by the following ... The original PL /SQL script does not contain any exception handlers, so you are asked to add the RAISE_APPLICATION_ERROR statements Create the following PL /SQL script: ch10_1a .sql, version 1.0...
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Tài liệu Oracle PL/SQL by Example- P6 pptx
... ('Error code: '||SQLCODE); message1: '||SQLERRM(SQLCODE)); message2: '||SQLERRM(100)); message3: '||SQLERRM(200)); message4: '||SQLERRM(-20000)); In this example, SQLCODE and SQLERRM are used ... generated $0 by instructor Fernand Hanks is by instructor Tom Wojick is by instructor Nina Schorin is by instructor Gary Pertez is by instructor Anita Morris is by instructor Todd Smythe is by instructor ... The maximum length of a message returned by the SQLERRM function is 512 bytes Consider what happens if you modify the preceding by adding the SQLCODE and SQLERRM functions as follows (all changes...
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Tài liệu Oracle PL/SQL by Example- P7 docx
... CREATED _BY, MODIFIED _BY, CREATED_DATE, and MODIFIED_DATE In addition, it determines if the value of zip provided by an INSERT statement is valid Create the following trigger: ch13_1a .sql, version ... rows affected by the triggering event, because the FOR EACH ROW statement is present in the CREATE trigger clause When the FOR EACH ROW statement is not present in the CREATE trigger clause, the ... modified by an UPDATE, INSERT, or DELETE statement: Set operations such as UNION, UNION ALL, INTERSECT, and MINUS Group functions such as AVG, COUNT, MAX, MIN, and SUM GROUP BY or HAVING clauses...
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Tài liệu Oracle PL/SQL by Example- P8 pptx
... BEGIN Populate index by table FOR i IN 10 LOOP index _by_ table(i) := i; END LOOP; IF index _by_ table.EXISTS(3) THEN DBMS_OUTPUT.PUT_LINE ('index _by_ table(3) = '||index _by_ table(3)); END IF; ... the output returned by this example: index _by_ table(3) = nested_table.COUNT = index _by_ table.COUNT = nested_table.FIRST = nested_table.LAST = index _by_ table.FIRST = index _by_ table.LAST = nested_table.PRIOR(2) ... '||nested_table.LAST); DBMS_OUTPUT.PUT_LINE ('index _by_ table.FIRST = '|| index _by_ table.FIRST); DBMS_OUTPUT.PUT_LINE ('index _by_ table.LAST = '||index _by_ table.LAST); DBMS_OUTPUT.PUT_LINE ('nested_table.PRIOR(2)...
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Tài liệu Oracle PL/SQL by Example- P9 pdf
... dynamic _SQL_ string is a string that contains a valid SQL statement or a PL /SQL block The INTO clause contains the list of predefined variables that hold values returned by the SELECT statement This clause ... SQL string can contain any SQL statement or PL /SQL block However, unlike static SQL statements, a dynamic SQL statement should not be terminated with a semicolon (;) Similarly, a dynamic PL /SQL ... list of bind arguments that store values returned by the dynamic SQL statement or PL /SQL block Similar to the USING clause, the RETURNING INTO clause may also contain various argument modes; however,...
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Tài liệu Oracle PL/SQL by Example- P10 ppt
... is as follows: SQL> DELETE FROM my_instructor; 10 rows deleted SQL> SET SERVEROUTPUT ON; SQL> DECLARE Define collection types and variables to be used by the BULK COLLECT clause TYPE instructor_id_type ... either in SQL* Plus or in one of the many tools for creating and debugging stored PL /SQL code If you are using SQL* Plus, you need to write your code in a text editor and then run it at the SQL* Plus ... DELETE statement returns ROW_NUM and ROW_TEXT values using the RETURNING clause These values are then fetched by the BULK COLLECT clause into two collections, row_num_tab and row_text_tab, which are...
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Tài liệu Oracle PL/SQL by Example- P11 docx
... INTO clause of the FETCH statement The FETCH statement retrieves rows from the result set one at a time PL /SQL verifies that the return type of the cursor variable is compatible with the INTO clause ... such as SQL* Plus by defining a host variable with a datatype of REF CURSOR to hold the query result generated from a REF CURSOR in a stored program To see what is being stored in the SQL* Plus ... to pass an instructor ID but not a student ID: SQL> exec course_pkg.get_course_list(NULL, 102, :course_cv); PL /SQL procedure successfully completed SQL> print course_cv FIRST_NAME Jeff Dawn...
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Tài liệu Oracle PL/SQL by Example- P12 pptx
... PLAN_TABLE SQL> CONN sys/password AS SYSDBA Connected SQL> @$ORACLE_HOME/rdbms/admin/utlxplan .sql SQL> GRANT ALL ON sys.plan_table TO public; SQL> CREATE PUBLIC SYNONYM plan_table FOR sys.plan_table; By ... to make use of an explain plan BY THE WAY For details on SQL optimization and how to use the results in an explain plan, see Oracle SQL by Example, Third Edition, by Alice Rischert (Prentice Hall ... ANSWER: SQL> VARIABLE V_JOB NUMBER SQL> EXEC DBMS_JOB.SUBMIT(:v_job, 'DELETE_ENROLL;',SYSDATE, 'ADD_MONTHS(SYSDATE, 1)'); PL /SQL procedure successfully completed SQL> commit; Commit complete SQL> ...
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Tài liệu Oracle PL/SQL by Example- P13 pdf
... 573 SQL> Spool off SQL> @compute .sql C) The following SQL statement generates a list of the open sections in courses that the student with an ID of 214 is not enrolled in Many different SQL statements ... as you with SQL* Plus To work here, you must run your SQL from a SQL file First you create a new SQL file and associate it with a database connection to your student database Oracle SQL Developer ... being generated by PL /SQL stored procedures by means of Oracle Application Server 10g, another PL /SQL procedure is the action of the HTML form and receives the form’s data PL /SQL can read these...
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Tài liệu Oracle PL/SQL by Example- P14 pptx
... script ch06_1a .sql using a WHILE loop instead of a simple loop Make sure that the output produced by this script does not differ from the output produced by the script ch06_1a .sql ANSWER: Consider ... script ch06_3a .sql using a numeric FOR loop instead of a WHILE loop Make sure that the output produced by this script does not differ from the output produced by the script ch06_3a .sql ANSWER: Consider ... original PL /SQL block (the PL /SQL block from the original script) has been enclosed in another block: SET SERVEROUTPUT ON Outer PL /SQL block BEGIN This block became inner PL /SQL block Please...
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Tài liệu Oracle PL/SQL by Example- P15 pptx
... IF in_cr _by IS NULL THEN created _by := USER; ELSE created _by := in_cr _by; END IF; IF in_cr_date IS NULL THEN created_date := SYSDATE; ELSE created_date := in_cr_date; END IF; IF in_mod _by IS NULL ... := SELF.employer; reg_date := SELF.registration_date; cr _by := SELF.created _by; cr_date := SELF.created_date; mod _by := SELF.modified _by; mod_date := SELF.modified_date; END; VARCHAR2, VARCHAR2, ... option (CREATE OR REPLACE TRIGGER clause) , xxiv disabling triggers, 265-266 display_student_count procedure, 466 dynamic SQL See native dynamic SQL dynamic _sql_ pkg, 677 END IF statement, 6, 54...
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Tài liệu Oracle PL/SQL by Example- P16 doc
... projects, 493, 681-690 PL /SQL in client/ server architecture, 19, 613-614 PL /SQL in SQL* Plus, 19, 613-614 procedure projects, 447, 673-678 current_status procedure, 673-674 dynamic _sql_ pkg procedure, ... projects, 493, 681-690 PL /SQL in client/server architecture, 19, 613-614 PL /SQL in SQL* Plus, 19, 613-614 procedure projects, 447, 673-678 current_status procedure, 673-674 dynamic _sql_ pkg procedure, ... syntax, 610-611 overview, 607 scalar subqueries, 611 SQL statements See statements SQLCODE function, 222-226 SQLERRM function, 222-226 START_TIME_DATE column (SECTION table), 601 STATE column...
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Tài liệu Retrieve Results from SQL Server by Using the DataTable Object docx
... code Listing 3.3 frmHowTo3_2.vb: Loading a List Box By Using the DataTable Object Private Sub btnLoadList_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLoadList.Click ... As OleDb.OleDbDataAdapter Dim dtCust As DataTable = New DataTable() Dim strSQL As String ' Create the SQL String strSQL = "Select CustomerID, CompanyName From Customers " & _ "Where CustomerID ... following code listed here in Listing 3.3 That's it After creating the SQL string that will be used and storing it in strSQL, the data adapter called odaCust is created The odtCust data table...
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