How do I read a multiline JSON in Python?

How do I read a JSON file with multiple lines in Python? Python Parse multiple JSON objects from file Create an empty list called jsonList. Read the file line by line because each line contains valid JSON. i.e., read one JSON object at a time. Convert each JSON object into Python dict using a json. …

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How do you delete a complete table in SQL?

How do you delete complete data from a table? To delete every row in a table: Use the DELETE statement without specifying a WHERE clause. With segmented table spaces, deleting all rows of a table is very fast. … Use the TRUNCATE statement. The TRUNCATE statement can provide the following advantages over a DELETE statement: …

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Should I use text in MySQL?

Should I use VARCHAR or TEXT MySQL? A VARCHAR can be part of an index whereas a TEXT field requires you to specify a prefix length, which can be part of an index. VARCHAR is stored inline with the table (at least for the MyISAM storage engine), making it potentially faster when the size is …

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You asked: How can I tell if SSIS is installed in SQL Server 2017?

How do I know if SSIS is installed? 1 Answer. You can go to SQL Server Configuration Manager (usually available in Start>Sql Server 2008 R2> Configuration Tools). Once launched, you have access to all available services. If Sql Server Integration Services 10.0 is there, you can right click it and start it, if it’s not …

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What does begin transaction do in SQL?

What is begin transaction in SQL Server? BEGIN TRANSACTION represents a point at which the data referenced by a connection is logically and physically consistent. If errors are encountered, all data modifications made after the BEGIN TRANSACTION can be rolled back to return the data to this known state of consistency. How do I start …

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What is variable in SQL with example?

What are SQL variables? A Transact-SQL local variable is an object that can hold a single data value of a specific type. Variables in batches and scripts are typically used: … To hold a data value to be tested by a control-of-flow statement. To save a data value to be returned by a stored procedure …

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Quick Answer: What is cursor in Java collection?

What are the types of cursor in collection or iterators in collection? Both enumeration and Iterator are single direction cursors only. That is we can always move only forward direction and we can’t move to the backward direction. While iterating by Iterator we can perform only read and remove operations and we can’t perform replacement …

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Why WAMP server is used in PHP?

Why WampServer is used in PHP explain? In essence, WAMP is used as a safe space to work on your website, without needing to actually host it online. WAMP also has a control panel. Once you install the software package, all of the services mentioned above (excluding the operating system that is) will be installed …

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