Query Analysis | Using shortcut keys
ALTER procedure Sp_getfields
@tablename varchar (100)
As
DECLARE tmpcursor cursor FOR
Select name from syscolumns where id = object_id (@tablename)
Open Tmpcursor
DECLARE @fieldname varchar (50)
DECLARE @sqlstr1 varchar (250)
DECLARE @sqlstr2 varchar (250)
Set @fieldname = '
Set @sqlstr1 = '
Set @sqlstr2 = '
FETCH NEXT from Tmpcursor into @fieldname
While @ @fetch_status = 0
Begin
If Len (@sqlstr1) Set @sqlstr1 = @sqlstr1 + @fieldname + ', '
Else
Set @sqlst
Calculator is a lot of programming beginners have done, starting from the simplest console program, input values, input operators, and then enter a value, to get a result. The interface is basically modeled on the Windows operating system calculator, through the button input values and operators, and then give the results of the operation. Can you directly enter an expression, or you can calculate several expressions, or select a part of an expression to calculate, if the input error can indicat
that may be used when querying Key: The index that was actually used when querying Key-len: Length of index field Rows: Number of scanned rows Extra: Description and description of the implementation Through the analysis of explain, it is confirmed that in the above example, the full table scan of the sales table results in inefficient, by creating an index on the sales table: www.2cto.comSQL codeCREATE INDEX index_sales_year on sales (year); After the index is created, the query statement is p
With the SPA, you can play specific types of changes depending on the type of change (such as initialization of change, optimizer statistics refresh, and database upgrade)SQL or the entire SQL payload, and then generate a comparison report that helps you evaluate their impact.In the version number prior to Oracle Database 11g, I had to capture all the SQL statements and execute them by tracing,Then get the run plan-this is a very time-consuming and error-prone task. The new version number, we do
First, the purpose of the experimentThrough the design and debugging a specific lexical analysis program, deepen the understanding of the principle of CI analysis. In the process of scanning the programming language source program, it is decomposed into lexical analysis methods of all kinds of words.Compiling a read word process, from the input of the source program, the identification of the individual meaning of the word, that is, the basic reserved words, identifiers, constants, operators, se
Introduction: Eclipse Memory Analyzer (MAT) is one of the 33 components of the Eclipse Galileo version of the famous Cross-platform integrated development environment, a feature-rich JAVA heap dump file analysis tool that can help you discover memory vulnerabilities and reduce memory dissipation Consumption. This article mainly describes how to install the configuration Memory Analyzer, and combined with an
Label:The main purpose of MySQL's SQL Performance Analyzer is to show how resources are used throughout the process of SQL execution. The profiler can better showPerformance problems with poor SQL.How to use MySQL SQL profile1. Turn on MySQL SQL profileCheck if MySQL SQL profile is enabledMysql> SELECT @ @profiling;+-------------+| @ @profiling |+-------------+| 0 |+-------------+1 row in Set (0.01 sec)By default, the value of profiling is 0 to indica
Tags: com href log data ref own Source view HTTPSReprint: http://www.jianshu.com/p/3b3c3a9147241.:eclipse Memory Analyzer Open Source Project2. Click on the download page to download the appropriate version3. Select a mirror site closer to you to download4. The download result is a ZIP package, which can be run directly after decompression.Note: Mat actually has two forms, one is the independent mat (stand-alone Memory
); } } //here, the first character has not yet captured the corresponding parsing result, so exit if (!matched) { Break; } } //return the length of the invalid excess//if we ' re just parsing//Otherwise, throw an error or Return tokensIf the conversion returns the length of the selector that did not match successfully, the token is returned, and an error is thrown. Return parseonly?SoFar.length:soFar?Sizzle.error (selector)://Cache The TokensTokencache (selector,
After making the analyzer report, you want to be able to copy directly to other machines (unable to connect over the network)The method is simple:1. Enter the analyzer's Database server Settings page to find out which system database is connected2. Back up the system database3. Cubes used to back up the report4. Restore the system database and cubes to a new machineNote: If you can connect directly through the network, you can directly connect to the
A notable feature of the prediction-based Grammar analyzer is to define a non-Terminator as a parsing function (method). When a non-terminator can be derived as another non-Terminator, recursively call the parsing function. One disadvantage of this method is that it is difficult to handle the situation that requires backtracking. We will analyze it in detail later. The last time we studied the parsing of individual characters such as Cr, lf, and htab,
In the previous article, we introduced how to use the Intel compiler to improve program performance by improving the execution efficiency after program compilation. However, to improve the software performance, you can not only improve the compilation and Execution Code, but also analyze the program performance to identify performance bottlenecks and focus on optimization. Intel vtune visual performance analyzer is an analysis tool provided by Intel f
interest rate is more than the equivalent of the principal.
Mortgage Analyzer
Software source Open source, GitHub download Address: Despositor Source: Visual Studio C#.net, Welcome to download.
Support Features
1) Support the configuration of loan information; 2) support two types of loan, repayment situation and monthly details: principal, principal, interest, interest rate; 3) Large repayment, currently only support a large repayment method: Short
Error opening heap dump 'com. ZTE. Mobile. Sync. hprof'. Check the error log for further details.Error opening heap dump 'com. ZTE. Mobile. Sync. hprof'. Check the error log for further details.Unknown hprof version (Java profile 1.0.3) (Java. Io. ioexception)Unknown hprof version (Java profile 1.0.3)
ThehprofFile you get from Android has Android specific format. You shoshould converthprofFile take from Android OS into standardhprofFormat. For this you can usehprof-convTool that is locatedAn
Reprinted please indicate the source: http://blog.csdn.net/u012027907
Sometimes we often count the number of words in an article. At this time, we need a word frequency analyzer to solve this problem.
Basic Idea:
First save the string in the file or input by the user, and then scan backward from the first character. When a letter is encountered, add it to a string first, and then scan backward, if the character string is still a letter, it is connecte
This article introduces a small open-source project: AAC format analyzer. The full name of AAC is Advanced Audio Coding, which is a widely used Audio encoding format on the Internet and the best Audio encoding format at present. A large part of existing videos on the Internet use AAC for audio encoding. Developed Using MFC of VC 2010. Faad2, an open source decoder of AAC, was used during development. Currently, the analysis function of the software is
This article introduces a small open-source project: JPEG analyzer. The full name of JPEG is Joint Photographic Experts Group (combined with the image Expert Group), which is the most widely used image encoding standard today. My project is not large and can be used to learn JPEG coding standards. It works better if you look at the source code. It supports decoding JPEG data into pixel data (YUV or RGB ). Output parameters such as DCT coefficients are
This article introduces a small open-source project: TS Encapsulation Format analyzer. TS stands for MPEG 2 Transport Stream (MPEG2 transmission Stream), which is widely used in broadcast and television systems, such as digital TVs and IPTV. My project is not large and can be used to learn the TS Encapsulation Format Structure. In addition, it supports separating video streams and audio streams in TS. And the timestamp, PTS, and DTS of the output TS p
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