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How to see the CREATE VIEW code for a view in PostgreSQL?

...s there an easy way to see the code used to create a view using the PostgreSQL command-line client? 6 Answers ...
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mysql: see all open connections to a given database?

With administrative permissions im mysql, how can I see all the open connections to a specific db in my server? 8 Answers ...
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Select mySQL based only on month and year

I have a column in my mySQL DB that has some rows. One of this row is a DATE, like this: 2012-02-01 12 Answers ...
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Transaction isolation levels relation with locks on table

...B client won't have the updated data. REPEATABLE READ - lock on a block of SQL(which is selected by using select query). This means B reads the data under some condition i.e. WHERE aField > 10 AND aField < 20, A inserts data where aField value is between 10 and 20, then B reads the data again ...
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How do I create a simple 'Hello World' module in Magento?

...lated topics, but for now, I don't. I will, however, briefly speak to your SQL question. Magento uses an EAV database architecture. Whenever possible, try to use the model objects the system provides to get the information you need. I know it's all there in the SQL tables, but it's best not to thin...
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WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED

...he difference is in terms of scope. See READUNCOMMITTED and NOLOCK in the SQL Server documentation here: http://technet.microsoft.com/en-us/library/ms187373.aspx For TRANSACTION ISOLATION LEVEL: http://technet.microsoft.com/en-us/library/ms173763.aspx ...
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What is the difference between synchronous and asynchronous programming (in node.js)

... @JohnGalt the sql runs on a different thread. But of course that depends on the implementation of the sql driver you use. The driver should spawn a new thread, connect to mysql and run the query. Once done, post the result to the event que...
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛,有思想、有深度

...是移动智能终端,智能家居,互联设备等领域,主要特点包括:低功耗,使用纽扣电池就可以运行数月至数年。快连接,毫秒级的连接速度,传统蓝牙甚至长达数分钟。远距离,长达数百米的通信距离,而传统蓝牙通常10米左右...
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How can I check MySQL engine type for a specific table?

My MySQL database contains several tables using different storage engines (specifically myisam and innodb). How can I find out which tables are using which engine? ...
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Create table (structure) from existing table

... Worked for me in MSSQL 2008 R2 – Pyrite Mar 29 '17 at 14:28 1 ...