Best answer: What is SQL Mediumtext?

What is SQL Longtext?

LONGTEXT. Holds a string with a maximum length of 4,294,967,295 characters. LONGBLOB. For BLOBs (Binary Large Objects). Holds up to 4,294,967,295 bytes of data.

What is the difference between BLOB and TEXT?

BLOB is used for storing binary data while Text is used to store large string. BLOB values are treated as binary strings (byte strings). They have no character set, and sorting and comparison are based on the numeric values of the bytes in column values. TEXT values are treated as nonbinary strings (character strings).

What is Longtext?

A TEXT column with a maximum length of 4,294,967,295 or 4GB ( 232 – 1 ) characters. The effective maximum length is less if the value contains multi-byte characters. … Each LONGTEXT value is stored using a four-byte length prefix that indicates the number of bytes in the value.

What is data type for date in SQL?

Date and Time data types

Data type Format Range
date YYYY-MM-DD 0001-01-01 through 9999-12-31
smalldatetime YYYY-MM-DD hh:mm:ss 1900-01-01 through 2079-06-06
datetime YYYY-MM-DD hh:mm:ss[.nnn] 1753-01-01 through 9999-12-31
datetime2 YYYY-MM-DD hh:mm:ss[.nnnnnnn] 0001-01-01 00:00:00.0000000 through 9999-12-31 23:59:59.9999999

Should I use TEXT or VARCHAR?

Use VARCHAR when you have a variable number of characters for every entry. If you need more storage than VARCHAR can provide, CLOB with UTF-8 encoding or equivalent standard type. NEVER use TEXT as it is non-standard.

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What is BLOB MySQL?

A BLOB is a binary large object that can hold a variable amount of data. The four BLOB types are TINYBLOB , BLOB , MEDIUMBLOB , and LONGBLOB . These differ only in the maximum length of the values they can hold. … BLOB values are treated as binary strings (byte strings).

Which is better VARCHAR or TEXT in MySQL?

TEXT has a fixed max size of 2¹⁶-1 = 65535 characters. VARCHAR has a variable max size M up to M = 2¹⁶-1 . So you cannot choose the size of TEXT but you can for a VARCHAR . The other difference is, that you cannot put an index (except for a fulltext index) on a TEXT column.

What is Type BLOB?

A BLOB (binary large object) is a varying-length binary string that can be up to 2,147,483,647 characters long. Like other binary types, BLOB strings are not associated with a code page. In addition, BLOB strings do not hold character data.

How do I view BLOB data?

1 Answer

  1. Open data window of your table.
  2. The BLOB cell will be named as (BLOB).
  3. Right click the cell.
  4. You will see a pencil icon. …
  5. It will open a blob editor window.
  6. You would find two check boxes against the option View as : Image or Text.
  7. Select the appropriate check box.

How do I create a BLOB in SQL?

How to store binary image (BLOB) SQL server and load it into…

  1. Create a table to contain the image as a varbinary or image. …
  2. Load an image file to the table. …
  3. Load the image to QVW by using an info load. …
  4. Show the image in an object by setting the field value to. …
  5. Set the field/object Representation to Image.
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What is varchar in MySQL?

Varchar in MySQL is a data type used for storing text whose length can have a maximum of 65535 characters. The varchar columns in the table are of variable length string that can hold either numeric or character or both.

What is a text data type?

The TEXT data type stores any kind of text data. It can contain both single-byte and multibyte characters that the locale supports. The term simple large object refers to an instance of a TEXT or BYTE data type.