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[DOC File]Advanced PL/SQL and Oracle ETL
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Since PL/SQL was developed by Oracle as the procedural extension to SQL, these languages have an overlapping type system. For example PL/SQL NUMBER type is the same data type as the SQL NUMBER type. This is one of the main advantages to using PL/SQL as opposed to another language like Java for data intensive operations – there is no type ...
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[DOC File]Solutions Chapter 1: SQL and Data Test Your Thinking
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By default, the Oracle database 11g has case-sensitive passwords. 4. Execute the following statements in SQL*Plus and record your observations. SET NULL 'NULL' SELECT DISTINCT cost. FROM course. Solution: The SET NULL SQL*Plus command substitutes the display of any null values with another value, such as the literal ‘null’ in this example.
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[DOC File]ORACLE SQL BY EXAMPLE BY ALICE RISCHERT - Home
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May 02, 2009 · Other data types, such as VARCHAR2 are prone to punctuation, case-sensitivity, and spelling mistakes, which make it more difficult to distinguish if two records are identical. The DATE or DATETIME data types contain a timestamp you will need to take under consideration.
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[DOC File]Oracle Secure Enterprise Search - Implementing search ...
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Oracle Secure Enterprise Search 10g 10.1.6 (SES) is an out-of-the-box solution that provides search capabilities across multiple repositories - Oracle databases and portals, websites, email systems, files on disk and many more.
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[DOC File]1 - Oracle Academy
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Create a SQL query that displays the salary or a zero if there is no salary of all employees. SELECT NVL(salary, 0) List and describe the two IF-THEN-ELSE logic methods? Give an example of each. CASE – ANSI SQL complied of an if-then-else logic method. DECODE – ORACLE specific of an if-then-else logic method
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[DOC File]CASE Expressions - Doug Burns' Oracle and ZX Spectrum ...
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The first thing to note is that CASE expressions are defined in the Expressions chapter of the Oracle SQL Language Reference Manual. This offers our first hint of the power of CASE, because it indicates that we can use it wherever we might use any other expression, in the SELECT, WHERE or ORDER BY clauses for example.
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Oracle sql case example