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The Decode function is one of the powerful functions of Oracle PL/SQL. Only Oracle's SQL provides this function at the moment, and the SQL implementations of other database vendors do not yet have this capability.What is the use of decode? Let's

Meaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF Condition =thenreturn(translation value 1) elsif condition =thenreturn

Tag: Equals line tab SQL statement HTTP return hive SQL developmentOriginal link: http://www.cnblogs.com/juddhu/archive/2012/03/07/2383101.htmlDecode function usage in OracleMeaning explanation:Decode (condition, value 1, return value 1, value 2,

The Decode function is one of the most powerful functions of Oracle PL/SQL, which is now available only to Oracle Corporation, and the SQL implementations of other database vendors do not yet have this function. What is the use of decode? First of

Meaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value 1 ThenRETURN (translation value 1)elsif condition = value

The Decode function is one of the most powerful functions of Oracle PL/SQL, and it is currently available only to Oracle companies, and the SQL implementations of other database vendors do not yet have this function. What is the use of decode? Let's

Oracle decode functions1. Compare sizeSelect decode (sign (variable 1-variable 2), 1, variable 1, variable 2) from dual; --Take a smaller valueThe sign () function returns 0, 1, 1, depending on whether a value is 0, positive, or negative.For example:

As for the role of caching, I guess I don't have to say any more, its role has been very obvious, especially for the information is very large or full database pages of the site, he can make good use of the memory resources of the host, speed up the

Meaning explanation: Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value) The meaning of the function is as follows:IF condition = value 1 THENreturn (translation value 1)elsif condition =

Decode (divisor, 0, show 0%, not zero normal expression) instead of the original that there is a possibility of 0 of the expression in addition to the error Resolution: Select Decode (b,0,0,a/b*100) per from AA; (1) The meaning of decode Meaning

The Decode function is similar to a series of nested IF-THEN-ELSE statementsSelect decode (sign (variable 1-variable 2), 1, variable 1, variable 2) from dual; --Take a smaller valueThe sign () function returns 0, 1, 1, depending on whether a value

Meaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value 1 ThenRETURN (translation value 1)elsif condition = value

Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value 1 ThenRETURN (translation value 1)elsif condition = value 2 ThenRETURN

1 PL SQL ConceptsPL/SQL is also a programming language called the procedural SQL language (procedural language/sql).PL/SQL is an extension of the Oracle database to the statement. In the use of ordinary SQL statements to add the characteristics of

Decode function usage in OracleMeaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value 1 ThenRETURN (translation

Decode function usage in OracleMeaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value 1 ThenRETURN (translation

The decode () function is one of the most powerful functions of Oracle PL/SQL and is currently available only to Oracle Corporation, where SQL implementations of other database vendors do not yet have this function. Tools/Materials •

The use of decode in OracleDecode function usage in OracleMeaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF condition = value

The method of the class must include the following 3 parts.1, the name of the method.2. The return value type of the method.3, the main body of the method.Grammar:Public return value type method name () {The body of the method}The method names in

Correct understanding of I = I ++, and correct understanding of I I = I ++ has been frequently encountered in the recent written examination. This problem is still relatively simple, but it doesn't matter if I + = I ++ doesn't matter, I saw a big