card table extender

Data Center reconstruction-why do we need to separate the card table from the student table? During the reconstruction of the fee-based database in the IDC room, the previous Studetn_Info was divided into Card_Info and Student_Info. It is easy to know that it is used to decouple the students and cards, however, how to design the form and code can be used to embod

When you import an SQL database from an Excel table in C #, you find that the ID number imported from Excel becomes a scientific representation.It is easier to solve this problem, first, open the spreadsheet, select the "ID number" column, right-select "Format Cells", go to the cell format interface, select "Number", select "Text" format. Click OK to return to the original interface. Select the first line of the ID number and add a single quotation ma

Office Office software is the software that we often use, but the software is also a problem, today, small series on the encounter open received form very card. Groping for half a day to finally do well, specially to share the next 1. Open an Excel table 2, when we edit will find very card, input will be stuck to that no response 3, this is we press sho

Today is November 30, from the Spring Festival New Year's Day small holiday still has one months, and the spring Festival less than 60 days, I believe many netizens began to countdown. Today, small compilation of the use of Jinshan WPS table to make the countdown card method, let the countdown card to remind themselves that the festival in a day close, that feeli

MySQL If you frequently modify the data of a table, then this table will be locked. Cause the phenomenon of suspended animation.For example, with Navicat and other connection tool operation, Navicat will not respond directly, can only force shutdown software, but the restart is still invalid.Workaround:First Execute:Show full processlist; List the current operation process, you will generally see a lot of w

Arch arch Lite development (1): Call the Three-wing API for login, Course table acquisition, and meal card information ......, Lite Gongarch Lite is my first work on UWP. I am also happy to share what I learned during development. Therefore, writing this series of articles is also a kind of accumulation, hope to help ~(1) starting from the official documentation First, we will analyze the API documentat

, the higher the priority.When the routing table cache is empty and the new packet arrives to find the route, kernel begins to look for the highest priority rule0. Kernel repeatedly finds a matching routing rule. If kernel does not find a route in rule, it tries to find the remaining rule.View Routing rules IP rule showIp rule Add unicast iif eth7 prio 32766 tableDelete a route ruleIp Rule del Prio 32766IP route flush 10.38.0.0/16 or a route

---restore content starts---Cause of the problem:The MySQL thread was not terminated and the table could not be opened and manipulated because the program was unexpectedly terminated when a large number of insertions were performed-The solution is to find the waiting thread and kill--View All processes1, SHOW processlist;2. Find the card dead or wait on the thread, kill, assuming here is 49496 stuck deadKIL

Tags: add case from ALTER TABLE name use ORA function name kill1. If the function is locked, then there must be a process using the functionSelect b.sid,b.serial# from Dba_ddl_locks A, v$session b Where a.session_id = b.sid and A.name = ' function name or table name ';2. Kill processes using commands in OracleAlter system kill session ' sid,serial# ';3. If you encounter a situation that cannot be killed in