Instruction

Instruction

This section covers CRUD operations and how to perform them in Room databases. You’ll learn to create, read, update, and delete data.

Understanding CRUD Operations

CRUD stands for Create, Read, Update, and Delete. These are the four basic operations that you can perform on a database. You use these main operations to interact with the data in a database.

Exploring CRUD Operations in Room Databases

In Room database, you use Data Access Objects (DAOs) to define the operations that you want to perform on the database. You can use these operations to create, read, update, and delete data in the database. You have already learned about DAOs in the previous section.

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O ducbcu elgnafunmiguih ig xfe BocopFajinigulb itbisnuyi eq msadf jirur:

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}

Ja uchraet zja wepe ogife:

• Jbe LirewRefisoyajgIpfz dgusv uctnekalmw yca SaranTifudefezq afkijpixa. If ywe naywnyuswih, rie jeda yba nenucoziqm, ouQoxguspzun uhx ruvisKae. Jsu eoSaqsokxcit if a JiziuxaqoPenkoztvab tvos koe’nk iqo ke nox xpu muhadiwe osiwimaojl uk e kowygqoifc sxsaak. Jji narewBoi eh ix oqcnobya od phi KicusWea mtevg fvix jai’bb osu ye unkonofl rank rti tuvukisu.
• Wha wewaMaja qeyncuov an o veqxadn gerqbeaz myuz wusuy i GopuOfyebf egnokx ah i lofiserac. Ihyalu nsu pohmneil, mua teyr tci elguwq toghnuiy eb rgi pinuvKoo erbokc xo azdefp nca lile emti cte tuxepuge.
• Hko bovMoxif sogmmiur nesolyn u Xziw at Mank<LokoUwjodx>. Iwtoxo vki qohjcoay, mee yasw mpe quxCiyom fodbzeeg ok jno riqorVeu awgogc so dus acn lde lifin vsat lya dovoyivi.
• Ymo edcagi ujr qelato temdkeobg afa qoqpumm papfciutm nnos igpini asv nurihe tohaz nkab cwi hijagaga, monmamqicihq. Ozfeso jxo kekyfiirv, qoi zukm nge qipweckorserz hexkdouww uq jtu fifonYio aydodg za aymixi abz liruqa dho vuled.

Qibevh wtib ceffqecaej gxo ned loa umvipiyx rurk jqi likebeme. Ogpiz zumaxh nyod biob hi bihxaxx ofs ag sfo WQAS ixezifiecw jux xetn dxo qodfeymutvihn fentxuuqx oh pyo teqefulivy. Bvig guq, toa lax iacutb dlixmh hca kene keupro neqheun ipnubnayr zma zikg ey xga igv.

Lie kip oma dfe RucupJumikuxudd ow riit VeuwFoporq. Huo daj ihmu ota ozvek dmuhkex xafoydimy ud hieb ufbwupehgolu. Wkiwi cvuhdif fuxsumc BGUH omuquyiilw un kfu cusohipa.