splunk count by field

The test results are: count (*) and COUNT (1) are basically equal, count (non-primary key field) is the most cost-consuming--Data Volume 708254Select COUNT (*) from tmp_test1;--avg 0.2240.2290.2190.2270.2220.2150.2240.2250.2210.2400.219Select

In the impression, Count (key) is more efficient than count (*), so the number of rows is counted in the project in Count (field). In the code Reivew was pointed out that the application of count (*), and then checked, and did a simple test, it is true that I remember wrong,

Label:The difference between count (1) count (*) count (field) usage in SQL statementsThe Count function is one of the most commonly used functions in SQL statements, and the Count function is a function of the number of records i

Difference between count (*) and count (field name) in SQLThis article uses examples to describe the differences between count (*) and count (field name) in SQL. For details, refer to examples. I did not pay attention to the diff

Tags: SQL count count field name difference detailed useThis article takes a detailed example to introduce the difference between count (*) and count (field name) in SQL, so you can refer to the following. Previously did not pay a

Count different values in a time span. The number of occurrences of the period. Here, I want to query the number of times that the periods field of each month has different values in one year. For example, in the-4 month, periods appears 3 times for 2 and 3 once for 3. The most important thing is periods. You don't know how many of them exist... Count the number

Statistics of different values in time span, number of occurrences at that time, here I want to find out the number of different values in the periods field for each month within 1 years.For example in the visible 201 May-April, periods 2 appeared 3 times, 3 appeared 1 times, the most critical is periods you do not know how many possible values, perhaps this month 1, perhaps not. Reply content: Statistics of different values in time span, number o

Count the number of tables in the system and query the field information of all tables -- count the number of tables in the system: -- table description field: -- required field: Name, Code, Commente select lower (. TABLE_NAME) | '-' | B. comments, lower (. TABLE_NAME), B. c

Tags: ar sp on CTI Code BS algorithm as OracleOracle_ Multi-field statisticsTo query the synthesis of different values of the same field in the same table, the method is as follows:Select O.code Gift Code,O.name Gift Name,L.couponactivityid coupon Activity Definition,Count (L.couponno) as coupons total quantity,Count (

How to count the number of Chinese characters in a field in data (ORACLE)How to count the number of Chinese characters in a field in the data table www.2cto.com dept has the following data:In Oracle, length is the length of characters, lengthb is the length of bytes, and a Chinese character is two bytes, numbers, lette

then use the Count function to calculate the number of bars per group. Select Max(ZDBH),Count(*), Max(ADSLJDSBMC) power-saving device name,Max(GLWXTGDBH) Related work orders, Sysdate from( SelectZ.id,z.glwxtgdbh,z.zdbh,z.adsljdsbmc,row_number () Over(Order byZ.id)-Row_number () Over(Partition byZ.glwxtgdbhOrder byz.id) x fromREBASE_ZTGD Z Left JoinREBASE_DZGD D onZ.glwxtgdbh=d.djbh)whereGlwxtgdbh is not

Label:One: So write post_category_id value can only be Chinese characters,, the number can not be found out, do not know why, the following statement to find out the count value is 0 because the value of post_category_id is a numberSELECT COUNT (*) from post WHERE post_category_id=18 and Date_format (created_on, '%y-%m-%d ') = Date_format (now (), '%y-%m-% d ') Two: So write can get a total record number (p

≤ AI ≤ 105) separated by a single space, where Ai stands for the ID number of the I-th person. Outputfor each test case, output the answer in a line. Sample Input 151 3 9 10 2 Sample output 4 Source2014 Asia Anshan Regional Contest Question: give n a number and ask how many types of three tuples are mutually qualitative or not mutually qualitative .. Analysis: At that time, we did not really see 233 of the results. Today, we found that this model was 233 million. (P105 question 6) is the classi

In fact, the word "tool"-"word count" menu can also see the number of words in the document, here is the use of word "field" feature to dynamically display word count. Similarly, you can use "domain" to do a lot of things. ① Click Insert on the menu bar and select field in the Drop-down list that pops up. ② Se

How can I query the data in the database with one condition, and then count the total amount of data stored in another field. there is a requirement that I first display Runan building and then count how many computers Runan building has received. Reply to discussion (solution) It is enough to accumulate data during reading. It is enough to accumulate dat

The following describes how to query and count the sum of a field in MYSQL: SELECT sum ('field of value') FROM 'table name'Articles you may be interested in How to sort the database query results in the alphabetic order of the first Chinese Characters Note the following when querying strings with single quotes and inserting strings with single quotes in My

Tags: des SP data Issues BS database SQL nbsp tableA recent new requirement is to find out how many times a field has been repeated in a data table to rank it, so the question is, how does SQL write it?Since the count must be counted, the last SQL you get isSELECT TOP field1,field1count = COUNT (field1) from table1 GROUP by Field1 ORDER by Field1count DESCThis SQ