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日期:2025-04-27
The reserved word LIKE in Oracle SQL represents an operator that performs some basic matching on text. LIKE provides a utility to conduct simple text pattern ... Can anybody help me how to make a search/find query? I’ve been trying to do it but it seems l...
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日期:2025-04-25
MAX() Function is used to find the largest value of the selected column. ... The Result-Set will look like this : Now, we need to find the product which is of maximum price from the table Products, we will use following SQL Query...
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日期:2025-04-27
substring may exist within string more than once. The ocurrence attribute is a positive integer that allows you specify which occurrence you are searching for. Remember, if you would like to find the 2cnd-to-last occurrence of substring within string, you...
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日期:2025-04-29
René Nyffenegger's collection of things on the web René Nyffenegger on Oracle - Most wanted - Feedback - Follow @renenyffenegger like [Oracle SQL] 'some-string' like 'some%other_string' 'some-string' like 'some%other_string' escape 'c' 'some-string' not l...
COUNT() Function in Oracle SQL Plus - DB Talks: Essential Resource for Database like Oracle, Sybase,
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日期:2025-04-29
This article demonstrates the use of COUNT() Function in Oracle SQL Plus. ... COUNT() Function The COUNT() Function is used in Oracle SQL Plus to count the number of rows. Syntax: SELECT COUNT(column_name) FROM table_name;...
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日期:2025-04-22
LIKE : Like « PL SQL Operators « Oracle PL/SQL Tutorial ... LIKE is PL/SQL's pattern-matching operator. LIKE is used to compare a character string against a pattern. LIKE is useful for performing wildcard searches....
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日期:2025-04-28
Efficient Function Calls From SQL This article presents a number of solutions for making calls to PL/SQL functions from SQL more efficient. The Problem Scalar Subquery Caching DETERMINISTIC Hint Cross-Session PL/SQL Function Result Cache (11g) Manual ......
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日期:2025-04-24
Requirements for Calling Functions in SQL There are several requirements that a programmer-defined PL/SQL function must meet in order to be callable from within a SQL statement: The function must be stored in the database. A function defined in a client-s...