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    <p>Stored as name/value pairs each MD5 will be at least 36 characters (assuming it is stored as a hex string with a single character name, md5+name+"="+separator = 32+2+1+1), longer as you'll be being good and using meaningful names... At 36 characters you can fit 117 in 4K (4096 characters, assuming ASCII characters throughout), but make sure you leave room for overhead like session id cookies from your server-side scripting environment and such.</p> <p>SHA1 will be longer (160 bit, not 128) and SHA2 longer still (between 224 and 512 bit depending on exact variant used). Using Base64 encoding or similar instead of plain hex will reduce the size (22 characters for MD5, assuming no padding, instead of 32).</p> <p>As far as gotchas go for using cookies in this way, the main one will be that some users have cookies turned off completely (even first party session cookies) though depending on your target audience this may not be an issue.</p> <p>You will also need to make sure you test in all browsers your users are likely to use, making sure that an update to the cookies by scripts in one window does in fact update the data available to scripts in the other windows without a client/server round trip.</p> <p>You will also need to train Internet Explorer users to know the difference between starting a new IE window with ctrl-N or your links, and starting a new process by launching IE from the start menu. In the latter case the cookies will almost certainly not be shared with other windows until a round-trip occurs.</p>
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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