mysql-workbench

问题 I got a DB files that created in My SQL , and I want open them in My SQL WorkBench 6.1. The files I got contains : FRM ,MYD , MYI for each table, and another file calls db.opt. how can I import that to the workbench? thanks. 回答1: so first you restore the database in mysql server like explained in the linked anwser. Then you connect the workbench tool to you mysql server to open your database, note sometimes the word schema is used for "database". to do so you need to create a database

问题 I have a daily API call that gives me LIFETIME data for a unique ID and date stamps the data batch every day at midnight. This data is appended to a database in MySQL, but I need to transform it in a way where I can get daily data for that unique id for every metric. My Table in MySQL: Desired Output: For id 3 I took the previous day (7/3/2017) and most recent date (7/4/2017) difference for it's respective metrics (Impressions, Clicks) and time stamped that line item as 7/4/2017. I need to

问题 Sorry Guys, could not generate a fiddle since facing some issues with sqlfiddle.com I have a table in mysql database which is as follows: Username mailtime mailid User4 3/23/2013 10:26 4473 User1 4/6/2013 16:13 10934 User4 4/6/2013 17:17 10957 User1 4/6/2013 23:56 11092 User2 4/7/2013 11:58 11187 User1 4/7/2013 12:06 11190 User4 4/7/2013 13:11 11216 User4 4/7/2013 13:14 11217 User1 4/7/2013 14:40 11245 User5 4/7/2013 15:52 11259 User1 4/7/2013 18:12 11303 User5 4/7/2013 19:56 11323 User1 4/7

问题 I have created MySQL DB using MySQL Workbench 5.2.40 CE. At first, I created New EER Model and named it test. Then created schema named: testdb, then table named: table1. Also, created a connection. The following class to create connection with my DB. It is successful import java.sql.*; public class DBConnection { public static Connection con = null; public static Object Connect; public static void ConnectDB () { System.out.println("--- MySQL JDBC Connection Testing -----"); try { Class

问题 I have a table with Building name, such as A, B, C. These building names could be repeated. I have another column which has the floor. Such as floor 1 ,floor 2. Again there could be multiple floor 1 for every building. There is a third column which has object present such as television, bricks, fans. I want to check for every combination of building with corresponding floors, such as Building A - floor 1, Building A- floor 2, if an object 'brick' exists then 'wall' must exist. EXAMPLE DATA:

问题 SELECT BB.NAME BranchName,VI.NAME Village,COUNT(BAC.CBSACCOUNTNUMBER) "No.Of Accounts", SUM(BAC.CURRENTBALANCE) SumOfAmount, SUM(CASE WHEN transactiontype = 'C' THEN amount ELSE 0 END) AS CreditTotal, SUM(CASE WHEN transactiontype = 'D' THEN amount ELSE 0 END) AS DebitTotal, SUM(CASE WHEN transactiontype = 'C' THEN amount WHEN transactiontype = 'D' THEN -1 * amount ELSE 0 END) AS CurrentBalance FROM CUSTOMER CU,APPLICANT AP,ADDRESS AD,VILLAGE VI,BANKBRANCH BB,BANKACCOUNT BAC LEFT OUTER JOIN

问题 I need to capture a value of "seconds_behind_master" column. SHOW SLAVE STATUS; How to achieve it ? 回答1: In a shell script or on the command line on Linux you could: SECONDS_BEHIND=$(mysql -usome_user -psome_pass -e "show slave status" -E | grep "Seconds_Behind_Master:" | cut -d: -f2) 回答2: SECONDS=$(mysql -uuser -ppass -Pport -e"show slave status\G" grep Seconds_Behind_Master | awk '{print $2}') 来源： https://stackoverflow.com/questions/39850240/how-to-capture-a-column-values-form-show-slave

问题 This question already has answers here : How do I see what character set a MySQL database / table / column is? (13 answers) Closed 4 months ago . I use MySQL and MySQL Workbench 8.0+ on Ubuntu 18.04. When I create a column with a string type, I leave the charset/collation to default. In MySQL workbench, it just show me that is it Default Charset . What is the default charset used by my current MySQL and Workbench? How can I figure this out? 回答1: Use SHOW CREATE TABLE . For example: CREATE

问题 I want to connect Spring boot application with database with help of MySql WorkBranch o.a.tomcat.jdbc.pool.ConnectionPool : Unable to create initial connections of pool. is the exception i get pom.xml <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.27</version> </dependency> application.properties spring.thymeleaf.mode=LEGACYHTML5 #toa gore mora # =============================== # = DATA SOURCE # =============================== # Set here

问题 I can import a CSV file data into a existing table in MySQL Workbench, using Load data infile , but what if I have a file with 25 columns, it becomes a pain to create a structure for such tables before importing. Is there a way to import CSV files without creating the structure, like proc import in SAS? 回答1: Yes, there is. Try the new 6.3 release (currently in RC, soon to be GA) which comes with a new table data import/export feature that supports CSV and JSON data. It creates the table on